MAX9632_V01 [MAXIM]

36V, Precision, Low-Noise, Wide-Band Amplifier;
MAX9632_V01
型号: MAX9632_V01
厂家: MAXIM INTEGRATED PRODUCTS    MAXIM INTEGRATED PRODUCTS
描述:

36V, Precision, Low-Noise, Wide-Band Amplifier

文件: 总11页 (文件大小:646K)
中文:  中文翻译
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EVALUATION KIT AVAILABLE  
MAX9632  
36V, Precision, Low-Noise,  
Wide-Band Amplifier  
General Description  
Benefits and Features  
S DC and AC Performance Ideal for High-Resolution  
ADC Driver Applications  
The MAX9632 is a low-noise, precision, wide-band  
operational amplifier that can operate in a very wide  
+4.5V to +36V supply voltage range. The IC operates in  
dual (±±1Vꢀ mode.  
55MHz Gain-Bandwidth  
600ns Settling Time to 16-Bit Accuracy  
THD of -128dB at 10kHz  
Low Input Offset Voltage 125µV (max)  
0.94nV/Hz Ultra-Low Input Voltage Noise  
Low Input Offset Temperature Drift 0.5µV/°C  
(max)  
The exceptionally fast settling time and low distortion  
make the IC an excellent solution for precision acquisi-  
tion systems. The rail-to-rail output swing maximizes the  
dynamic range when driving high-resolution 24-bit Σ∆  
ADCs even with low supply voltages.  
Unity-Gain Stable  
The IC achieves 55MHz of gain-bandwidth product and  
ultra-low 0.94nV/Hz input voltage noise with only 3.9mA  
of quiescent current.  
S Wide Supply for High-Voltage Front-Ends  
+4.5V to +36V Supply Range  
S Improved Reliability with ESD Protection  
8kV HBM and 1kV CDM ESD  
M
The IC is offered in 1-pin SO, µMAX , and TDFN pack-  
ages and is rated for operation over the -40NC to +±25NC  
temperature range.  
S Low Pin Count Packages Save Board Space  
8-Pin SO, µMAX, TDFN Packages  
Applications  
High-Resolution ADC Drivers  
High-Resolution DAC Buffers  
Medical Imaging  
Ordering Information  
PIN-  
TOP  
PART  
TEMP RANGE  
PACKAGE  
MARK  
Low-Noise Signal Processing  
Test and Measurement Systems  
ATE  
MAX9632ASA+ -40NC to +±25NC 1 SO  
MAX9632ATA+ -40NC to +±25NC 1 TDFN-EP*  
MAX9632AUA+ -40NC to +±25NC 1 µMAX  
BML  
+Denotes a lead(Pb)-free/RoHS-compliant package.  
*EP = Exposed pad.  
µMAX is a registered trademark at Maxim Integrated Products, Inc.  
INPUT-VOLTAGE NOISE DENSITY  
TOTAL HARMONIC DISTORTION  
vs. FREQUENCY  
vs. OUTPUT VOLTAGE  
-80  
1.8  
1.6  
1.4  
1.2  
1.0  
0.8  
0.6  
0.4  
0.2  
0
-90  
-100  
-110  
f = 10kHz  
-120  
-130  
-140  
f = 1kHz  
-150  
-160  
0.1  
1
10  
10  
100  
1k  
10k  
100k  
OUTPUT VOLTAGE (V)  
FREQUENCY (Hz)  
For pricing, delivery, and ordering information, please contact Maxim Direct  
at 1-888-629-4642, or visit Maxim’s website at www.maximintegrated.com.  
19-5200; Rev 5; 12/14  
MAX9632  
36V, Precision, Low-Noise,  
Wide-Band Amplifier  
ABSOLUTE MAXIMUM RATINGS  
V
to V ............................................................-0.3V to +40V  
ESD Protection  
HBM  
CC  
EE  
All Other Pins..................................(V - 0.3Vꢀ to (V  
+ 0.3Vꢀ  
1kV  
..............................................................................................  
EE  
CC  
Short-Circuit (GNDꢀ Duration, OUT....................................... ±0s  
Continuous Input Current (any pinꢀ................................. Q20mA  
CDM...................................................................................±kV  
Operating Temperature Range........................ -40NC to +±25NC  
Junction Temperature .....................................................+±50NC  
Lead Temperature (soldering, ±0sꢀ ................................+300NC  
Soldering Temperature (reflowꢀ ......................................+260NC  
Continuous Power Dissipation (T = +70NCꢀ (Note ±ꢀ  
A
Multilayer SO (derate 7.4mW/NC above +70NCꢀ .........511mW  
Multilayer TDFN (derate 23.1mW/NC above +70NCꢀ...±905mW  
Multilayer µMAX (derate 4.1mW/NC above +70NCꢀ..317.1mW  
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional  
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute  
maximum rating conditions for extended periods may affect device reliability.  
PACKAGE THERMAL CHARACTERISTICS (Note 1)  
1 TDFN  
1 µMAX  
Junction-to-Ambient Thermal Resistance (q ꢀ .....206.3°C/W  
Junction-to-Ambient Thermal Resistance (q ꢀ ..........42°C/W  
JA  
JA  
Junction-to-Case Thermal Resistance (q .................1°C/W  
Junction-to-Case Thermal Resistance (q ...............42°C/W  
JC  
JC  
1 SO  
Junction-to-Ambient Thermal Resistance (q ꢀ ........±36°C/W  
JA  
Junction-to-Case Thermal Resistance (q ...............31°C/W  
JC  
Note 1: Package thermal resistances were obtained using the method described in JEDEC specification JESD5±-7, using a four-layer  
board. For detailed information on package thermal considerations, refer to www.maximintegrated.com/thermal-tutorial.  
ELECTRICAL CHARACTERISTICS  
(V  
CC  
= ±5V, V = -±5V, R = ±0kI to V  
, V  
GND IN+  
= V = V  
= 0V, V  
= V , T = -40NC to +±25NC. Typical values are  
GND A  
EE  
L
IN-  
GND  
SHDN  
at T = +25NC, unless otherwise noted.ꢀ (Note 2ꢀ  
A
PARAMETER  
POWER SUPPLY  
SYMBOL  
CONDITIONS  
Guaranteed by PSRR  
= +25NC  
MIN  
TYP  
MAX  
UNITS  
Supply Voltage Range  
Supply Current  
V
CC  
4.5  
36  
V
I
3.9  
6.5  
mA  
CC  
T
±25  
±20  
±40  
A
Power-Supply Rejection Ratio  
PSRR  
dB  
-40NC P T P +±25NC  
A
SHUTDOWN  
V
CC  
Device disabled  
Device enabled  
V
V
CC  
- 0.35  
Shutdown Input Voltage  
V
V
SHDN  
CC  
V
EE  
- 3.0  
Shutdown Current  
I
V
= V  
±
±5  
FA  
FV  
SHDN  
SHDN  
CC  
DC SPECIFICATIONS  
T
= +25NC  
30  
±25  
±65  
0.5  
A
Input Offset Voltage  
V
OS  
-40NC P T P +±25NC  
A
Input Offset Voltage Drift  
Input Bias Current  
QDV  
(Note 3ꢀ  
0.±5  
30  
FV/NC  
nA  
OS  
I
±10  
±00  
B
Input Offset Current  
I
±5  
nA  
OS  
V
+
±.1  
V
CC  
±.4  
-
EE  
Input Common-Mode Range  
V
Guaranteed by CMRR  
V
CM  
2
Maxim Integrated  
MAX9632  
36V, Precision, Low-Noise,  
Wide-Band Amplifier  
ELECTRICAL CHARACTERISTICS (continued)  
(V  
CC  
= ±5V, V = -±5V, R = ±0kI to V  
, V  
GND IN+  
= V = V  
IN-  
= 0V, V  
= V , T = -40NC to +±25NC. Typical values are  
GND A  
EE  
L
GND  
SHDN  
at T = +25NC, unless otherwise noted.ꢀ (Note 2ꢀ  
A
PARAMETER  
SYMBOL  
CONDITIONS  
MIN  
TYP  
MAX  
UNITS  
V
V
+ ±.1V P V  
+ ±.1V P V  
P V  
- ±.4V, T = +25NC  
±20  
±35  
EE  
CM  
CC  
CC  
A
Common-Mode Rejection Ratio  
CMRR  
dB  
P V  
- ±.4V,  
EE  
CM  
±±0  
-40NC P T P +±25NC  
A
V
V
+ 0.2V P V  
+ 0.6V P V  
P V  
- 0.2V, R = ±0kI  
±25  
±20  
±40  
±35  
50  
EE  
EE  
OUT  
CC  
L
Large-Signal Gain  
A
dB  
VOL  
P V  
- 0.6V, R = 600I  
L
OUT  
CC  
R = ±0kI  
±50  
400  
±50  
400  
L
V
V - V  
CC OUT  
OH  
R = 600I  
±50  
50  
L
Output Voltage Swing  
mV  
mA  
R
R
= ±0kI  
= 600I  
L
L
V
V
- V  
EE  
OL  
OUT  
±50  
56  
Short-Circuit Current  
AC SPECIFICATIONS  
Gain-Bandwidth Product  
Slew Rate  
I
T = +25NC  
A
SC  
GBWP  
SR  
55  
30  
MHz  
0 P V  
P 5V  
V/Fs  
OUT  
To 0.00±5%, V  
AV = ±V/V  
= ±0V , C = ±00pF,  
P-P L  
OUT  
Settling Time  
t
600  
-±36  
-±21  
ns  
S
f = ±kHz, V  
= ±V/V  
= 3V  
R
OUT  
RMS, L = 600I, AV  
Total Harmonic Distortion  
THD  
dB  
f = ±0kHz, V  
= ±V/V  
= 3V  
R
OUT  
RMS, L = 600I, AV  
Input-Voltage Noise Density  
Input Voltage Noise  
e
f = ±kHz  
0.94  
65  
nV/Hz  
nV  
P-P  
N
0.±Hz P f P ±0Hz  
Input-Current Noise Density  
Capacitive Loading  
i
f = ±kHz  
3.75  
350  
pA/Hz  
pF  
N
C
No sustained oscillation, AV = ±V/V  
L
Note 2: All devices are ±00% production tested at T = +25NC. Temperature limits are guaranteed by design.  
A
Note 3: Guaranteed by design.  
Maxim Integrated  
3
MAX9632  
36V, Precision, Low-Noise,  
Wide-Band Amplifier  
Typical Operating Characteristics  
(V  
CC  
= ±5V, V = -±5V, R = ±0kIto V  
V
= V = V  
= 0V, V  
= V  
, T = -40NC to +±25NC. Typical values are at  
EE  
L
GND, IN+  
IN-  
GND  
SHDN  
GND  
A
T
= +25NC, unless otherwise noted.ꢀ  
A
SUPPLY CURRENT  
vs. SUPPLY VOLTAGE  
INPUT OFFSET VOLTAGE TEMPERATURE  
COEFFICIENT HISTOGRAM  
INPUT OFFSET VOLTAGE HISTOGRAM  
35  
5.0  
25  
4.8  
4.6  
4.4  
4.2  
4.0  
3.8  
3.6  
3.4  
3.2  
3.0  
30  
25  
20  
15  
10  
5
20  
15  
10  
5
0
0
0
10  
20  
30  
40  
50  
60  
0
5
10 15 20 25 30 35 40  
SUPPLY VOLTAGE (V)  
0
20 40 60 80 100 120 140 160 180 200  
INPUT OFFSET VOLTAGE (µV)  
INPUT OFFSET VOLTAGE TEMPERATURE  
COEFFICIENT (nV/°C)  
INPUT OFFSET VOLTAGE  
vs. COMMON-MODE VOLTAGE  
INPUT BIAS CURRENT  
vs. INPUT COMMON-MODE VOLTAGE  
SUPPLY CURRENT  
vs. TEMPERATURE  
5.0  
4.8  
4.6  
4.4  
4.2  
4.0  
3.8  
3.6  
3.4  
3.2  
3.0  
-40  
-42  
-44  
-46  
-48  
-50  
-52  
-54  
-56  
-58  
0
-10  
-20  
-30  
-40  
-50  
-60  
-70  
T
= -40°C  
A
T = +125°C  
A
T
= +85°C  
T
A
= +25°C  
A
T
T
= +25°C  
= +85°C  
A
T
= 0°C  
A
A
T
A
= 0°C  
-10  
T
= +125°C  
0
A
T
= -40°C  
5
A
-50 -25  
0
25  
50  
75 100 125  
-15  
-10  
-5  
5
10  
15  
-15  
-5  
0
10  
15  
TEMPERATURE (°C)  
COMMON-MODE VOLTAGE (V)  
COMMON-MODE VOLTAGE (V)  
COMMON-MODE REJECTION RATIO  
vs. FREQUENCY  
POWER-SUPPLY REJECTION RATIO  
vs. FREQUENCY  
OUTPUT VOLTAGE HIGH  
vs. OUTPUT CURRENT (SOURCE)  
20  
0
20  
0
15.1  
15.0  
14.9  
14.8  
14.7  
14.6  
14.5  
14.4  
-20  
-20  
-40  
-40  
T
A
= +25°C  
-60  
-60  
T
= 0°C  
A
T
A
= +125°C  
-80  
-80  
T
A
= +85°C  
-100  
-120  
-140  
-160  
-100  
-120  
-140  
-160  
T
= -40°C  
40  
A
1
10 100 1k 10k 100k 1M 10M 100M  
FREQUENCY (Hz)  
1
10 100 1k 10k 100k 1M 10M 100M  
FREQUENCY (Hz)  
0
10  
20  
30  
50  
60  
OUTPUT SOURCE CURRENT (mA)  
4
Maxim Integrated  
MAX9632  
36V, Precision, Low-Noise,  
Wide-Band Amplifier  
Typical Operating Characteristics (continued)  
(V  
CC  
= ±5V, V = -±5V, R = ±0kIto V  
V
= V = V  
= 0V, V  
= V  
, T = -40NC to +±25NC. Typical values are at  
EE  
L
GND, IN+  
IN-  
GND  
SHDN  
GND  
A
T
= +25NC, unless otherwise noted.ꢀ  
A
OUTPUT VOLTAGE LOW  
vs. OUTPUT CURRENT (SINK)  
-14.55  
INPUT-VOLTAGE NOISE DENSITY  
vs. FREQUENCY  
OPEN-LOOP GAIN vs. FREQUENCY  
160  
1.8  
-14.60  
140  
120  
100  
80  
1.6  
1.4  
1.2  
1.0  
0.8  
0.6  
0.4  
0.2  
0
-14.65  
-14.70  
-14.75  
-14.80  
-14.85  
-14.90  
-14.95  
-15.00  
T
= +25°C  
A
T
= +85°C  
A
T
A
= +125°C  
T
A
= 0°C  
60  
40  
T
A
= -40°C  
20  
0
-20  
0
10  
20  
30  
40  
50  
60  
1
10 100 1k 10k 100k 1M 10M 100M  
FREQUENCY (Hz)  
10  
100  
1k  
10k  
100k  
OUTPUT SINK CURRENT (mA)  
FREQUENCY (Hz)  
INPUT-CURRENT NOISE DENSITY  
vs. FREQUENCY  
0.1Hz TO 10Hz NOISE vs. TIME  
OUTPUT IMPEDANCE vs. FREQUENCY  
MAX9632 toc13  
25  
20  
15  
10  
5
70  
60  
50  
40  
30  
20  
10  
0
20nV/div  
0
10  
100  
1k  
10k  
100k  
10s/div  
10 100 1k  
10k 100k 1M 10M 100M  
FREQUENCY (Hz)  
FREQUENCY (Hz)  
STABILITY vs. CAPACITIVE AND  
RESISTIVE LOAD PARALLEL  
INPUT SMALL-SIGNAL STEP RESPONSE  
INPUT LARGE-SIGNAL STEP RESPONSE  
MAX9632 toc16  
MAX9632 toc17  
1000  
900  
800  
700  
600  
500  
400  
300  
200  
100  
0
INPUT  
100mV/div  
INPUT  
2V/div  
OUTPUT  
50mV/div  
OUTPUT  
500mV/div  
UNSTABLE  
STABLE  
200  
0
400  
600  
800 1000 1200  
200ns/div  
1µs/div  
CAPACITIVE LOAD (pF)  
Maxim Integrated  
5
MAX9632  
36V, Precision, Low-Noise,  
Wide-Band Amplifier  
Typical Operating Characteristics (continued)  
(V  
CC  
= ±5V, V = -±5V, R = ±0kIto V  
V
= V = V  
= 0V, V  
= V  
, T = -40NC to +±25NC. Typical values are at  
EE  
L
GND, IN+  
IN-  
GND  
SHDN  
GND  
A
T
= +25NC, unless otherwise noted.ꢀ  
A
ISOLATION RESISTANCE  
vs. CAPACITIVE STABILITY  
POWER-UP TIME  
V
= 5V, V = -5V  
CC  
EE  
MAX9632 toc20  
10  
9
8
7
6
5
4
3
2
1
0
V
CC  
10V/div  
GND  
OUTPUT  
500mV/div  
STABLE  
UNSTABLE  
GND  
0
100 200 300 400 500 600 700 800 900 1000  
CAPACITIVE LOAD (pF)  
1µs/div  
RECOVERY FROM SHUTDOWN  
TOTAL HARMONIC DISTORTION  
vs. FREQUENCY  
V
= 5V, V = -5V  
CC  
EE  
MAX9632 toc21  
-100  
-110  
-120  
-130  
-140  
-150  
-160  
SHDN  
5V/div  
GND  
OUTPUT  
500mV/div  
GND  
1µs/div  
10  
100  
1k  
10k  
100k  
FREQUENCY (Hz)  
TOTAL HARMONIC DISTORTION  
vs. OUTPUT VOLTAGE  
-80  
-90  
-100  
-110  
-120  
-130  
-140  
-150  
-160  
f = 10kHz  
f = 1kHz  
0.1  
1
10  
OUTPUT VOLTAGE (V)  
6
Maxim Integrated  
MAX9632  
36V, Precision, Low-Noise,  
Wide-Band Amplifier  
Pin Configuration  
TOP VIEW  
NOT TO SCALE  
+
+
N.C.  
IN-  
1
2
3
4
8
7
6
5
SHDN  
N.C.  
IN-  
1
2
3
4
8
7
6
5
SHDN  
V
CC  
V
CC  
MAX9632  
MAX9632  
IN+  
OUT  
N.C.  
IN+  
OUT  
N.C.  
V
V
EE  
EE  
EP  
SO/µMAX  
TDFN  
Pin Description  
PIN  
±, 5  
2
NAME  
N.C.  
IN-  
FUNCTION  
Not Connected  
Negative Input  
Positive Input  
3
IN+  
4
V
Negative Supply Voltage  
Output  
EE  
6
OUT  
7
V
Positive Supply Voltage  
Active-High Shutdown  
CC  
1
SHDN  
Exposed Pad (TDFN Onlyꢀ. Connect to a large V plane to maximize thermal performance. Not  
EE  
intended as an electrical connection point.  
EP  
Maxim Integrated  
7
MAX9632  
36V, Precision, Low-Noise,  
Wide-Band Amplifier  
Detailed Description  
The MAX9632 is designed in a new 36V, high-speed  
complementary BiCMOS process that is optimized for  
excellent AC dynamic performance combined with high-  
voltage operation.  
The IC offers precision, high-bandwidth, ultra-low noise  
and exceptional distortion performance.  
Figure 1. Input Protection Circuit  
The IC is unity-gain stable and operates either with  
single-supply voltage up to 36V or with dual supplies up  
to Q±1V.  
Input Differential Voltage Protection  
During normal op-amp operation, the inverting and nonin-  
verting inputs of the IC are at essentially the same voltage.  
However, either due to fast input voltage transients or  
other fault conditions, these inputs can be forced to be  
at two different voltages.  
Applications Information  
Operating Supply Voltage  
The IC can operate with dual supplies from Q2.25V to  
Q±1V or with a single supply from +4.5V to +36V with  
respect to ground. Even though the IC supports high-  
voltage operation with excellent performance, the device  
can also operate in very popular applications at 5V.  
Internal back-to-back diodes protect the inputs from an  
excessive differential voltage (Figure ±ꢀ. Therefore, IN+  
and IN- can be any voltage within the range shown in the  
Absolute Maximum Ratings section. Note the protection  
time is still dependent on the package thermal limits.  
Low Noise and Low Distortion  
The IC is designed for extremely low-noise applications  
such as professional audio equipment, very high perfor-  
mance instrumentations, automated test equipment, and  
medical imaging. The low noise, combined with fast set-  
tling time, makes it ideal to drive high-resolution sigma-  
delta or SARs analog-to-digital converters.  
If the input signal is fast enough to create the internal  
diodes’ forward bias condition, the input signal current  
must be limited to 20mA or less. If the input signal cur-  
rent is not inherently limited, an input series resistor can  
be used to limit the signal input current. Care should be  
taken in choosing the input series resistor value, since it  
degrades the low-noise performance of the device.  
The IC is also designed for ultra-low-distortion perfor-  
mance. THD specifications in the Electrical Characteristics  
table and Typical Operating Characteristics are calcu-  
lated up to the fifth harmonic. Even when driving high-  
Shutdown  
The shutdown is referenced to the positive supply. See  
the Electrical Characteristics table for the proper levels  
voltage swing up to ±0V , the IC maintains excellent low  
P-P  
of functionality. A high level (above V  
- 0.35Vꢀ disables  
CC  
distortion operation over and above ±00kHz of bandwidth.  
the op amp and puts the output into a high-impedance  
state. A low level (below V - 3Vꢀ enables the device. As  
Rail-to-Rail Output Stage  
The output stage swings to within 50mV (typꢀ of either  
power-supply rail with a ±0kI load and provides a  
55MHz GBW with a 30V/s slew rate. The device is  
unity-gain stable and can drive a ±00pF capacitive  
load without compromising stability. Stability with higher  
capacitive loads can be improved by adding an isola-  
tion resistor in series with the op-amp output. This resis-  
tor improves the circuit’s phase margin by isolating the  
load capacitor from the amplifier’s output. The Typical  
Operating Characteristics show a profile of the isolation  
resistor and capacitive load values that maintain the  
device into the stable region.  
CC  
an example, if the op amp is powered with dual supplies  
of Q±5V, the device is enabled when shutdown is at or  
below ±2V. The device is disabled when shutdown is at  
or above ±4.65V. If the op amp is powered with a single  
supply of 36V, the device is enabled when shutdown is at  
or below 33V. The device is disabled when shutdown is at  
or above 35.65V. This input must be connected to a valid  
high or low voltage and should not be left disconnected.  
Power Supplies and Layout  
The MAX9632 can operate with dual supplies from  
Q2.25V to Q±1V or with a single supply from +4.5V to  
+36V with respect to ground. When used with dual  
supplies, bypass both V  
and V  
with their own  
CC  
EE  
0.±FF capacitor to ground. When used with a single  
supply, bypass V  
with a 0.±FF capacitor to ground.  
CC  
1
Maxim Integrated  
MAX9632  
36V, Precision, Low-Noise,  
Wide-Band Amplifier  
Careful layout technique helps optimize performance  
If a charged device comes into contact with another  
conductive body that is at a lower potential, it discharges  
into that body. Such an ESD event is known as Charged  
Device Model (CDMꢀ ESD, which can be even more  
destructive than HBM ESD (despite its shorter pulse  
durationꢀ because of its high current. The IC guarantees  
CDM ESD protection up to Q±kV.  
by decreasing the amount of stray capacitance at the  
op amp’s inputs and outputs. To decrease stray capaci-  
tance, minimize trace lengths by placing external com-  
ponents close to the op amp’s pins.  
For high-frequency designs, ground vias are critical to  
provide a ground return path for high-frequency signals  
and should be placed near the decoupling capacitors.  
Signal routing should be short and direct to avoid para-  
sitic effects. Avoid using right angle connectors since  
they may introduce a capacitive discontinuity and ulti-  
mately limit the frequency response.  
Driving High-Resolution Sigma-Delta ADCs  
The MAX9632’s excellent AC specifications and 55MHz  
bandwidth are a good fit for driving high-speed, high-pre-  
cision SAR ADCs. These ADCs require an ultra-low noise  
op amp to achieve high signal-to-noise ratio (SNRꢀ. The  
MAX±±905 is a 20-bit, ±.6Msps fully differential ADC with  
Electrostatic Discharge (ESD)  
The IC has built-in circuits to protect it from ESD events.  
An ESD event produces a short, high-voltage pulse  
that is transformed into a short current pulse once it  
discharges through the device. The built-in protection  
circuit provides a current path around the op amp that  
prevents it from being damaged. The energy absorbed  
by the protection circuit is dissipated as heat.  
91.3dB SNR at f = ±0kHz. The MAX±±905 measures  
IN  
analog inputs up to ±V . Sampling up to ±.6Msps, the  
REF  
MAX±±905 achieves better than -±23dB THD and ±25  
SFDR at f = ±0kHz.  
IN  
The Typical Application Circuit shows an example of the  
MAX9632 driving the MAX±±905.  
ESD protection is guaranteed up to Q1kV with the Human  
Body Model (HBMꢀ. The Human Body Model simulates  
the ESD phenomenon wherein a charged body directly  
transfers its accumulated electrostatic charge to the  
ESD-sensitive device. A common example of this phe-  
nomenon is when a person accumulates static charge  
by walking across a carpet and then transfers all of the  
charge to an ESD-sensitive device by touching it.  
Not all ESD events involve the transfer of charge into the  
device. ESD from a charged device to another body is  
also a common form of ESD.  
Chip Information  
PROCESS: BiCMOS  
Maxim Integrated  
9
MAX9632  
36V, Precision, Low-Noise,  
Wide-Band Amplifier  
Typical Application Circuit  
+15V  
2kI  
IN+  
10I  
MAX9632  
AIN+  
2kI  
2kI  
-15V  
2kI  
2kI  
2kI  
V
/2  
REF  
MAX11905  
V
REFA  
2nF  
2kI  
ADC  
2.2µF  
V
REF  
-15V  
1µF  
10µF  
10I  
MAX9632  
AIN-  
IN-  
+15V  
2kI  
Package Information  
For the latest package outline information and land patterns (footprintsꢀ, go to www.maximintegrated.com/packages. Note that a  
“+”, “#”, or “-” in the package code indicates RoHS status only. Package drawings may show a different suffix character, but the  
drawing pertains to the package regardless of RoHS status.  
PACKAGE TYPE  
1 SO  
PACKAGE CODE  
S1+2  
OUTLINE NO.  
21-0041  
LAND PATTERN NO.  
90-0096  
1 TDFN-EP  
1 µMAX  
T133+3  
21-0137  
90-0060  
U1+3  
21-0036  
90-0092  
±0  
Maxim Integrated  
MAX9632  
36V, Precision, Low-Noise,  
Wide-Band Amplifier  
Revision History  
REVISION REVISION  
PAGES  
DESCRIPTION  
CHANGED  
NUMBER  
DATE  
±0/±0  
4/±±  
0
±
2
3
Initial release  
Updated short-circuit current spec  
Updated TDFN land pattern number  
Added µMAX package  
3
1/±±  
±±  
±0/±±  
±, 2, 7  
Revised the Features and Driving High-Resolution Sigma-Delta ADCs sections and  
updated Typical Application Circuit and Package Information section  
4
5
6/±4  
±, 9, ±0  
±
±2/±4  
Revised Benefits and Features section  
Maxim Integrated cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim Integrated product. No circuit patent  
licenses are implied. Maxim Integrated reserves the right to change the circuitry and specifications without notice at any time. The parametric values (min and  
max limits) shown in the Electrical Characteristics table are guaranteed. Other parametric values quoted in this data sheet are provided for guidance.  
Maxim Integrated 160 Rio Robles, San Jose, CA 95134 USA 1-408-601-1000  
±±  
©
20±4 Maxim Integrated  
Maxim Integrated and the Maxim Integrated logo are trademarks of Maxim Integrated Products, Inc.  

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