Precision Resistor Network - Maxim Integrated Products
Description
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DataSheet.
co.
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19-2318; Rev 0; 1/02
Precision Resistor Network for Programmable Instrumentation Amplifiers
General Description
The MAX5426 is a precision resistor network optimized for use with programmable instrumentation amplifiers.
The MAX5426 operates from dual ±5V to ±15V supplies and consumes less than 40µA of supply current.
Designed to be used in the traditional three op amp instrumentation amplifier topology, this device provides noninverting gains of 1, 2, 4, and 8 that are accurate to 0.
025% (A-grade), 0.
09% (B-grade), or 0.
5% (C-grade) over the extended temperature range (-40°C to +85°C).
The MAX5426 is available in the 6.
4mm ✕ 5mm 14-pin TSSOP package.
o Differential Gains: AV = 1, 2, 4, 8 o Gain Accurate to 0.
025%, 0.
09%, or 0.
5% o Dual Supply ±5V to ±15V Operation o Low 36µA Supply Current o Simple CMOS/TTL Logic Compatible 2-Wire Parallel Interface o Space-Saving 14-Pin TSSOP Package (6.
4mm ✕ 5mm) o OFFSET Pin Available to Offset the Output of the Differential Amplifier
Features
MAX5426
Applications
General-Purpose Programmable Instrumentation Amplifiers Gain Control in RF Power Amplifiers Precision Dual Attenuator
PART MAX5426AEUD MAX5426BEUD MAX5426CEUD
Ordering Information
TEMP RANGE -40°C to +85°C -40°C to +85°C -40°C to +85°C PINPACKAGE 14 TSSOP 14 TSSOP 14 TSSOP GAIN 0.
025% 0.
09% 0.
5%
Pin Configuration and Functional Diagram appear at end of data sheet.
Typical Operating Circuit
VIN-
VDD
FB1
OUT1
INDIF-
D0 D1
OUT
VOUT CM MAX5426
OFFSET
VSS
GND
FB2
OUT2
INDIF+
VIN+
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For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at 1-888-629-4642, or visit Maxim’s website at www.
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com.
Datasheet pdf - http://www.
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Precision Resistor Network for Programmable Instrumentation Amplifiers MAX5426
ABSOLUTE MAXIMUM RATINGS
VDD to GND ...
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