PGA281AIPWR Precision Programmable Gain Amplifier 0.1-1000x Gain 10MHz BW ±18V Supply 0.025% Gain Error TSSOP-16 -40°C to +125°C

PGA281AIPWR Precision Programmable Gain Amplifier 0.1-1000x Gain 10MHz BW ±18V Supply 0.025% Gain Error TSSOP-16 -40°C to +125°C

FEATURES

• Wide Input Range: ±15.5 V at ±18 V Supply 234

• Binary Gain Steps: 128 V/V to ⅛ V/V

• Additional Scaling Factor: 1 V/V and 1⅜ V/V

• LowOffset Voltage: 5 μV at G = 128

• Near-Zero Long-Term Drift of Offset Voltage

• Near-Zero Gain Drift: 0.5 ppm/°C

• Excellent Linearity: 1.5 ppm

• Excellent CMRR: 140 dB

• High Input Impedance

• Very Low 1/f Noise

• Differential Signal Output

• Overload Detection

• TSSOP-16 Package

APPLICATIONS

• High-Precision Signal Instrumentation

• Multiplexed Data Acquisition

• Medical Instrumentation

• Test and Measurement Equipment

• Differential or Single-Ended ADC Drivers

• Strain Gauge Amplifiers

• Industrial Process Control

DESCRIPTION

The PGA281 is a high-precision instrumentation amplifier with a digitally-controllable gain and signal integrity test capability. This device uses proprietary autozeroing techniques to offer low offset voltage, near-zero offset and gain drift, excellent linearity, and nearly no 1/f noise.

The PGA281 is optimized to provide an excellent common-mode rejection of greater than 110 dB (G = 1) over a wide frequency range. Superior common mode and supply rejection supports high-resolution, precise measurement. The 36-V supply capability and wide, high-impedance input range comply with requirements for universal signal measurement.

The PGA281 offers multiple internal gain options from ⅛ V/V (attenuation) to 176 V/V, making this a universal, high-performance, analog front-end suitable for a wide variety of applications. The fully differential, rail-to-rail output is designed to easily interface a wide range of input signals to the low voltage domain of high-resolution analog-to-digital converters (ADCs).

The PGA281 is available in a TSSOP-16 package and is specified over a temperature range of–40°C to +105°C.

INFORMATION

Drawing

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