AME40 [AME]
Micropower Voltage Reference Diode; 微功耗电压基准二极管
| 型号： | AME40 |
| 厂家： | 
ANALOG MICROELECTRONICS |
| 描述： | Micropower Voltage Reference Diode |
| 文件： | 总8页 (文件大小：73K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Analog Microelectronics, Inc.
Micropower Voltage Reference Diode
AME40
n General Description
n Key Features
The AME40 is a micropower 2-terminal band-gap voltage
regulator diode. It operates over a 40µA to 20mA current
range. Each circuit is trimmed at wafer sort to provide a
±0.20% and ±0.50% initial tolerance. The design of the
AME40 allows for a large range of load capacitances and
operating currents. The low start-up current makes these
part ideal for battery applications.
l Small packages: SOT-23, TO-92, SO-8
l Tolerates capacitive loads
l Fixed reverse breakdown voltage of 2.5V
l Tight voltage tolerance ---------- ±0.20%, ±0.50%
l Wide operating current ---------- 40µA to 20mA
l Wide temperature range -------- -40oC to +85oC
l Low temperature coefficient --- 100ppm/oC (max)
l Excellent transient response
Analog Microelectronics offers this part in a TO-92,
SO-8 packages as well as the space saving SOT-23.
n Applications
l Portable electronics
l Power supplies
l Computer peripherals
l Data acquisition systems
l Battery chargers
l Consumer electronics
n Functional Block Diagram
n Typical Application
VR
VS
RS
VR
Bandgap
Cell
Current
Shunt
VR = 2.5V
I
1000pF
Value optional
GND
VS - VR
RS =
I
1
Analog Microelectronics, Inc.
Micropower Voltage Reference Diode
AME40
n Package Outline
SOT-23 Top View
TO-92-3 Bottom View
TO-92-2 Bottom View
NC *
NC *
+
-
+
-
+
-
SO-8 Top View
NC
NC
NC
-
1
2
3
4
8
7
6
5
+
NC
NC
NC
* The NC pin must float or be connected to - (negative)
n Ordering Information
Part Number
Accuracy
Marking
Package Operating Temp. Range
-40OC to +85OC
SOT-23
AME40BEET
0.2%
ACUww
AME
40BEHA
yyww
-40OC to +85OC
SO-8
AME40BEHA
AME40AEET
0.2%
0.5%
-40OC to +85OC
SOT-23
ABZww
AME
40
AEAS
yyww
AME
40
AEAT
yyww
AME
40AEHA
yyww
-40OC to +85OC
TO-92-2
AME40AEAS
0.5%
-40OC to +85OC
TO-92-3
AME40AEAT
AME40AEHA
0.5%
0.5%
-40OC to +85OC
SO-8
Please consult AME sales office or authorized Rep./Distributor for other voltage accuracy and
package type availability.
2
Analog Microelectronics, Inc.
Micropower Voltage Reference Diode
AME40
n Absolute Maximum Ratings
Parameter
Maximum
Unit
Supply Current
20
mA
n Recommended Operating Conditions
Parameter
Rating
Unit
Supply Current
60 A ~ 12mA
µ
oC
oC
Ambient Temperature Range
Junction Temperature
-40 to +85
-40 to +125
n Thermal Information
Parameter
Maximum
Unit
SOT-23
TO-92
336
180
150
300
oC / W
Thermal Resistance
oC
oC
Maximum Junction Temperature
Maximum Lead Temperature ( 10 Sec)
Caution: Stress above the listed absolute rating may cause permanent damage to the device
3
Analog Microelectronics, Inc.
Micropower Voltage Reference Diode
AME40
n Electrical Specifications
Unless otherwise specified, TA = 25 o C, I = 100 A
µ
PARAMETER
SYMBOL TEST CONDITIONS
MIN
TYP
2.500
2.500
MAX UNITS
Reference Voltage, 0.2%
2.495
2.487
2.505
2.513
40
V
V
±
VREF
TA=25oC, IREF=100 A
µ
Reference Voltage, 0.5%
±
Minimum Current
IMIN
A
µ
I
MIN < I < 1mA
1.5
4
3
Reference Voltage Change With
Current
dVREF/I
mV
1mA < I < 20mA
0oC < TA < 70oC
8
ppm/oC
Reference Voltage Temp. Coeff.
VREFTC
100
4
Analog Microelectronics, Inc.
Micropower Voltage Reference Diode
AME40
Normalized Percentage Change vs.
Temperature
Output Voltage Change vs. Current
0.1
0
25o
C
-0.1
-0.2
-0.3
-0.4
-0.5
-0.6
5V /D IV
µ
I = 100 A
V IN
V R
0.5V /D IV
-50
0
50
100
150
(
O C)
Reverse Characteristic
Forward Characteristic
100µA
10µA
1.0V
o
25 C
o
IR
85 C
0.125V/div
1µA
o
85 C
o
25 C
100nA
0.0V
0.0V
0.65V
VR
1.3V
100µA
10mA
1µA
Transient Response
25oC
5V/DIV
V
IN
VR
0.5V/DIV
200µS/DIV
5
Analog Microelectronics, Inc.
Micropower Voltage Reference Diode
AME40
n Package Dimension
SOT-23
MILLIMETERS
INCHES
SYMBOLS
MIN
1.00
0.00
0.35
0.09
2.70
1.40
MAX
1.40
0.15
0.50
0.25
3.10
1.80
MIN
MAX
A
A1
b
0.0394
0.0000
0.0138
0.0035
0.1063
0.0551
0.0551
0.0059
0.0197
0.0098
0.1220
0.0709
C
D
E
e
1.90 BSC
0.0748 BSC
H
L
2.60
0.35
0o
3.00
0.55
9o
0.1024
0.0138
0o
0.1181
0.0197
9o
θ1
R
0.95(TYP)
0.0374(TYP)
SO-8
MILLIMETERS
INCHES
SYMBOLS
MIN
MAX
1.75
0.25
MIN
0.053
0.004
MAX
0.069
0.010
A
A1
A2
B
C
D
E
1.35
0.10
1.45 REF
0.057 REF
0.013
0.33
0.19
4.80
3.80
0.51
0.25
5.00
4.00
0.020
0.010
0.1970
0.157
0.007
0.189
0.150
θ
e
1.27 BSC
0.050 BSC
H
L
5.80
0.40
6.20
1.27
0.10
8o
0.228
0.016
0.244
0.050
0.004
8o
y
θ
0o
0o
6
Analog Microelectronics, Inc.
Micropower Voltage Reference Diode
AME40
n Package Dimension
TO-92-3
MILLIMETERS
INCHES
MIN
SYMBOLS
MIN
4.32
0.36
3.30
2.41
1.14
12.70
2.16
1.14
0.41
4.45
MAX
4.95
0.51
3.94
2.67
1.40
15.49
2.41
1.52
0.56
4.95
MAX
0.195
0.020
0.155
0.105
0.055
0.610
0.095
0.060
0.022
0.195
A
b
0.170
0.014
0.130
0.095
0.045
0.500
0.085
0.045
0.016
0.175
E
e
e1
L
R
S1
W
D
a
4°
6°
4°
6°
NOTE:
1. PACKAGE OUTLINE EXCLUSIVE OF ANY MOLD FLASHES
DIMENSION
2. PACKAGE OUTLINE EXCLUSIVE OF BURR DIMENSION
TO-92-2
MILLIMETERS
INCHES
MIN
SYMBOLS
MIN
4.32
0.36
3.30
2.41
1.14
12.70
2.16
1.14
0.41
4.45
MAX
4.95
0.51
3.94
2.67
1.40
15.49
2.41
1.52
0.56
4.95
MAX
0.195
0.020
0.155
0.105
0.055
0.610
0.095
0.060
0.022
0.195
A
b
0.170
0.014
0.130
0.095
0.045
0.500
0.085
0.045
0.016
0.175
E
e
e1
L
R
S1
W
D
4°
6°
4°
6°
a
NOTE:
1. PACKAGE OUTLINE EXCLUSIVE OF ANY MOLD FLASHES
DIMENSION
2. PACKAGE OUTLINE EXCLUSIVE OF BURR DIMENSION
7
www.analogmicro.com
E-Mail: info@analogmicro.com
Life Support Policy:
These products of Analog Microelectronics, Inc. are not authorized for use as critical components in life-
support devices or systems, without the express written approval of the president
of Analog Microelectronics, Inc.
Analog Microelectronics, Inc. reserves the right to make changes in the circuitry and specifications of its
devices and advises its customers to obtain the latest version of relevant information.
Analog Microelectronics, Inc. , October 2001
Document: 2003-DS40-D
Corporate Headquarters
Asia Pacific Headquarters
AME, Inc.
2F, 187 Kang-Chien Road, Nei-Hu District
Taipei 114, Taiwan, R.O.C.
Tel : 886 2 2627-8687
Analog Microelectronics, Inc.
3100 De La Cruz Blvd. Suite 201
Santa Clara, CA. 95054-2046
Tel : (408) 988-2388
Fax: (408) 988-2489
Fax: 886 2 2659-2989
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