MADR-007098-000100 [TE]
Linear Driver for PIN Diode Attenuators; 线性驱动器，用于PIN二极管衰减器
| 型号： | MADR-007098-000100 |
| 厂家： | 
TE CONNECTIVITY |
| 描述： | Linear Driver for PIN Diode Attenuators |
| 文件： | 总3页 (文件大小：179K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
RoHS
Compliant
Linear Driver for
P IN Diod e A ttenu ators
M A DR -0 0 7 0 9 8 -0 0 0 1 0 0
V 1
Features
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Linearizes PIN Diode Attenuators Over a W ide
Attenuation Range
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Output Currents up to 12 mA
Operates with a Single Supply Voltage of +3V to
+12V
Low Quiescent Currents
Single Control Voltage
Circuit Description:
(Reference Figures 1 and 2)
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The input divider, R1 and the sum of R2 and R3,
sets the overall transfer function of the circuit. To
increase the transfer function, decrease the Control
Voltage and the value of R1. Varying the value of
R4 will optimize the linearity of the circuit. One can
achieve a very linear transfer function (less than
± 1 dB/V) by driving the attenuator over a smaller
portion of its dynamic range. In the case of the
MAAV-007089-000100 and MAAV-007090-000100
attenuators, this would be limited to a dynamic
range of 28 and 25 dB, respectively. Temperature
compensation is a function temperature coefficient
of the thermistor, R3, and the ratio of R2 to R3, and
can only be optimized once the transfer function
and linearity component values have been
established.
Test Boards are Available
Tape and Reel Packaging Available
Lead-Free SOW -16 Package
100% Matte Tin Plating over Copper
Halogen-Free —Green“ Mold Compound
260°C Reflow Compatible
RoHS* Compliant Version of DR65-0002
Description
M/A-COM's MADR-007098-000100 is a break point
free driver that produces a logarithmic output current
suitable for linearizing PIN diode based shunt
attenuators. This driver, in conjunction with customer
defined external components, produces a linear
transfer function (dB/V) between the input control
voltage of the driver and the attenuation output of
the PIN attenuator. The MADR-007098-000100 has
been optimized for linearizing M/A-COM‘s MAAV-
007089-000100 or MAAV-007090-000100
attenuators, but will function well with most types of
cathode grounded, PIN attenuators. The driver is
packaged in a SOW -16 package for commercial
SMT applications. A typical schematic for a 30 dB,
7.5 dB/V linear attenuator is shown in Figure 1.
Pin Configuration
Pin No.
Function
N/C
Pin No.
Function
N/C
1
2
3
4
5
6
7
8
9
Ordering Information
N/C
10
11
12
13
14
15
16
N/C
REF
N/C
Part Number
Package
INPUT +
GND
N/C
OUTPUT
N/C
MADR-007098-000100
Bulk Packaging
MADR-007098-0001TR
1000 piece reel
+ VCC
N/C
MAAV-007089-DR01TB Test Board with Circuit per Figure 1
(MAAV-007089-000100,
N/C
GSM Attenuator)
N/C
N/C
MAAV-007090-DR01TB Test Board with Circuit per Figure 1
(MAAV-007090-000100,
PCS Attenuator)
Note: Reference Application Note M513 for reel size
information.
Note: Die quantity varies.
* Restrictions on Hazardous Substances, European Union Directive 2002/95/EC.
1
M/A-COM Inc. and its affiliates reserve the right to make changes to the
product(s) or information contained herein without notice. M/A-COM makes
no warranty, representation or guarantee regarding the suitability of its
products for any particular purpose, nor does M/A-COM assume any liability
whatsoever arising out of the use or application of any product(s) or
information.
• North America Tel: 800.366.2266 / Fax: 978.366.2266
• Europe Tel: 44.1908.574.200 / Fax: 44.1908.574.300
• Asia/Pacific Tel: 81.44.844.8296 / Fax: 81.44.844.8298
Visit www.macom.com for additional data sheets and product information.
RoHS
Compliant
Linear Driver for
P IN Diod e A ttenu ators
M A DR -0 0 7 0 9 8 -0 0 0 1 0 0
V 1
Figure 1. Linear Attenuator Schematic
RFin
+Vcc
C1
.01 µF
2
1,3,4
16,14,13
14
R1
4
Vcontrol
(0 to 4V)
39K
IN
VOLTAGE
VARIABLE
12
7
MADR-007098
-000100
ATTENNUATOR
R2
680
REF
5,6,8
9,11,12
3
5
R3
(PTCT)
10
330 R4
360
RFoutput
NOTES:
a. Transfer function is 7.5 dB/V
b. Vcontrol is 0V to 4.0V
c. +Vcc is 5.0V ± 5%
d. R3 is a positive temperature coefficient thermistor.
e. Attenuator is MAAV-007089-000100 or MAAV-007090-000100
Figure 2. Typical Attenuation Error
MADR-007098-000100 Driver with MAAV-007090-000100 VVA
2.0
1.5
1.0
0.5
0.0
-0.5
-1.0
-1.5
-2.0
0
3
6
9
12
15
18
21
24
27
30
Frequency: 1960 M Hz
Vcont: 0 to 4.0V
Attenuation (dB)
2
M/A-COM Inc. and its affiliates reserve the right to make changes to the
product(s) or information contained herein without notice. M/A-COM makes
no warranty, representation or guarantee regarding the suitability of its
products for any particular purpose, nor does M/A-COM assume any liability
whatsoever arising out of the use or application of any product(s) or
information.
• North America Tel: 800.366.2266 / Fax: 978.366.2266
• Europe Tel: 44.1908.574.200 / Fax: 44.1908.574.300
• Asia/Pacific Tel: 81.44.844.8296 / Fax: 81.44.844.8298
Visit www.macom.com for additional data sheets and product information.
RoHS
Compliant
Linear Driver for
P IN Diod e A ttenu ators
M A DR -0 0 7 0 9 8 -0 0 0 1 0 0
V 1
Electrical Specifications: TA = 25°C, Z0 = 50W
Parameter
Output Drive Current
+VCC Supply Range
+VCC Supply Tolerance
+VCC Quiescent Current
Linearity
Test Conditions
Load Dependent
–
Units
mA
V
Min
10
3.0
–
Typ
–
Max
–
5.0
5
12
–
%
–
No Load
mA
dB
–
1.0
± 2.5
7.5
50
2.0
–
Application Dependent
Application Dependent
50% Ctl to 90%/10% RF
± 1
3
Transfer Function
Settling Time
dB/V
µs
10
–
–
Lead-Free, SOW -16†
Absolute Maximum Ratings 1,2
Parameter
+VCC
Absolute Maximum
+20 V
Input +
± 5 V
± 5 V
REF
Output Current
Operating Temperature
Storage Temperature
Package Power Dissipation
Lead Temperature
20 mA
-40ºC to +85ºC
-65ºC to +125ºC
150 mW
300ºC for 10 seconds
1. Exceeding any one or combination of these limits may cause
permanent damage to this device.
2. M/A-COM does not recommend sustained operation near
these survivability limits.
Handling Procedures
Please observe the following precautions to avoid
damage:
Static Sensitivity
Gallium Arsenide Integrated Circuits are sensitive
to electrostatic discharge (ESD) and can be
damaged by static electricity. Proper ESD control
techniques should be used when handling these
devices.
Package outline conforms to JEDEC standard MS-013AA
†
Reference Application Note M538 for lead-free solder reflow
recommendations.
3
M/A-COM Inc. and its affiliates reserve the right to make changes to the
product(s) or information contained herein without notice. M/A-COM makes
no warranty, representation or guarantee regarding the suitability of its
products for any particular purpose, nor does M/A-COM assume any liability
whatsoever arising out of the use or application of any product(s) or
information.
• North America Tel: 800.366.2266 / Fax: 978.366.2266
• Europe Tel: 44.1908.574.200 / Fax: 44.1908.574.300
• Asia/Pacific Tel: 81.44.844.8296 / Fax: 81.44.844.8298
Visit www.macom.com for additional data sheets and product information.
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