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PGA280AIPW

Zero Drift, HV Programmable Gain Amplifier

Packaging

Package | PIN: PW | 24
Temp: Q (-40 to 125)
Carrier: Partial Tube
Qty Price
1-9 $6.71
10-24 $6.03
25-99 $5.63
100-249 $5.05
250-499 $4.72
500-749 $4.10
750-999 $3.55
1000+ $3.48

Features

  • WIDE INPUT RANGE: ±15.5V at ±18V SUPPLY
  • BINARY GAIN STEPS: 128V/V to 1/8V/V
  • ADDITIONAL SCALING FACTOR: 1V/V and 1⅜V/V
  • LOW OFFSET VOLTAGE: 3µV at G = 128
  • NEAR-ZERO LONG-TERM DRIFT OF OFFSET VOLTAGE
  • NEAR-ZERO GAIN DRIFT: 0.5ppm/°C
  • EXCELLENT LINEARITY: 1.5ppm
  • EXCELLENT CMRR: 140dB
  • HIGH INPUT IMPEDANCE
  • VERY LOW 1/f NOISE
  • DIFFERENTIAL SIGNAL OUTPUT
  • OVERLOAD DETECTION
  • INPUT CONFIGURATION SWITCH MATRIX
  • WIRE BREAK TEST CURRENT
  • EXPANDABLE SPI WITH CHECKSUM
  • GENERAL-PURPOSE I/O PORT
  • TSSOP-24 PACKAGE
  • APPLICATIONS
    • HIGH-PRECISION SIGNAL INSTRUMENTATION
    • MULTIPLEXED DATA ACQUISITION
    • HIGH-VOLTAGE ANALOG INPUT AMPLIFIER
    • UNIVERSAL INDUSTRIAL ANALOG INPUT

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Texas Instruments  PGA280AIPW

The PGA280 is a high-precision instrumentation amplifier with digitally-controllable gain and signal integrity test capability. This device offers low offset voltage, near-zero offset and gain drift, excellent linearity, and nearly no 1/f noise with superior common-mode and supply rejection to support high-resolution precision measurement. The 36V supply capability and wide, high-impedance input range comply with requirements for universal signal measurement.

Special circuitry prevents inrush currents from multiplexer (MUX) switching. In addition, the input switch matrix enables easy reconfiguration and system-level diagnostics—overload conditions are indicated.

The configurable general-purpose input/output (GPIO) offers several control and communication features. The SPI can be expanded to communicate with more devices, supporting isolation with only four ISO couplers. The PGA280 is available in a TSSOP-24 package and is specified from –40°C to +105°C.