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PDF MADR-007098 Data sheet ( Hoja de datos )
| Número de pieza | MADR-007098 | |
| Descripción | Linear Driver | |
| Fabricantes | MA-COM | |
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MADR-007098
Linear Driver for
PIN Diode Attenuators
Rev. V2
Features
Linearizes PIN Diode Attenuators Over a Wide
Attenuation Range
Output Currents up to 12 mA
Operates with a Single Supply Voltage of +3V to
+12V
Low Quiescent Currents
Single Control Voltage
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.
Ordering Information
Part Number
Package
MADR-007098-000100
Bulk Packaging
MADR-007098-0001TR
1000 piece reel
MAAV-007089-DR01TB
MAAV-007090-DR01TB
Test Board with Circuit per Figure 1
(MAAV-007089-000100,
GSM Attenuator)
Test Board with Circuit per Figure 1
(MAAV-007090-000100,
PCS Attenuator)
Note: Reference Application Note M513 for reel size
information.
Circuit Description:
(Reference Figures 1 and 2)
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.
Pin Configuration
Pin No.
1
2
3
4
5
6
7
8
Function
N/C
N/C
REF
INPUT +
GND
N/C
N/C
N/C
Pin No.
9
10
11
12
13
14
15
16
Function
N/C
N/C
N/C
OUTPUT
N/C
+ VCC
N/C
N/C
1 * Restrictions on Hazardous Substances, European Union Directive 2002/95/EC.
M/A-COM Technology Solutions Inc. (MACOM) and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice.
Visit www.macom.com for additional data sheets and product information.
For further information and support please visit:
https://www.macom.com/support
1 page  
MADR-007098
Linear Driver for
PIN Diode Attenuators
Rev. V2
M/A-COM Technology Solutions Inc. All rights reserved.
Information in this document is provided in connection with M/A-COM Technology Solutions Inc ("MACOM")
products. These materials are provided by MACOM as a service to its customers and may be used for
informational purposes only. Except as provided in MACOM's Terms and Conditions of Sale for such products or
in any separate agreement related to this document, MACOM assumes no liability whatsoever. MACOM
assumes no responsibility for errors or omissions in these materials. MACOM may make changes to
specifications and product descriptions at any time, without notice. MACOM makes no commitment to update
the information and shall have no responsibility whatsoever for conflicts or incompatibilities arising from future
changes to its specifications and product descriptions. No license, express or implied, by estoppels or otherwise,
to any intellectual property rights is granted by this document.
THESE MATERIALS ARE PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS OR
IMPLIED, RELATING TO SALE AND/OR USE OF MACOM PRODUCTS INCLUDING LIABILITY OR
WARRANTIES RELATING TO FITNESS FOR A PARTICULAR PURPOSE, CONSEQUENTIAL OR
INCIDENTAL DAMAGES, MERCHANTABILITY, OR INFRINGEMENT OF ANY PATENT, COPYRIGHT OR
OTHER INTELLECTUAL PROPERTY RIGHT. MACOM FURTHER DOES NOT WARRANT THE ACCURACY
OR COMPLETENESS OF THE INFORMATION, TEXT, GRAPHICS OR OTHER ITEMS CONTAINED WITHIN
THESE MATERIALS. MACOM SHALL NOT BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL, OR
CONSEQUENTIAL DAMAGES, INCLUDING WITHOUT LIMITATION, LOST REVENUES OR LOST PROFITS,
WHICH MAY RESULT FROM THE USE OF THESE MATERIALS.
MACOM products are not intended for use in medical, lifesaving or life sustaining applications. MACOM
customers using or selling MACOM products for use in such applications do so at their own risk and agree to
5 fully indemnify MACOM for any damages resulting from such improper use or sale.
M/A-COM Technology Solutions Inc. (MACOM) and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice.
Visit www.macom.com for additional data sheets and product information.
For further information and support please visit:
https://www.macom.com/support
5 Page | ||
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| PDF Descargar | [ Datasheet MADR-007098.PDF ] | |
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