PGA281 Series

Zero-Drift, High Voltage Programmable Gain Amplifier

Catalog

Zero-Drift, High Voltage Programmable Gain Amplifier

Part	Voltage - Supply Span (Min) [Min]	Number of Circuits	Amplifier Type	Operating Temperature [Max]	Operating Temperature [Min]	Voltage - Input Offset	Gain Bandwidth Product	Slew Rate	Current - Supply	Supplier Device Package	Mounting Type	Output Type	Current - Input Bias	Package / Case [x]	Package / Case	Package / Case [y]	Voltage - Supply Span (Max) [Max]
Texas Instruments PGA281AIPWR	10 V	1	Zero-Drift	140 °C	-55 °C	5 çV	6 MHz	1 V/µs	2.4 mA	16-TSSOP	Surface Mount	Rail-to-Rail	300 pA	0.173 in	16-TSSOP	4.4 mm	36 V

Catalog

Zero-Drift, High Voltage Programmable Gain Amplifier

Key Features

• Wide Input Range: ±15.5 V at ±18 V SupplyBinary Gain Steps: 128 V/V to 1/8 V/VAdditional Scaling Factor: 1 V/V and 1 3/8 V/VLow Offset Voltage: 5 µV at G = 128Near-Zero Long-Term Drift of Offset VoltageNear-Zero Gain Drift: 0.5 ppm/°CExcellent Linearity: 1.5 ppmExcellent CMRR: 140 dBHigh Input ImpedanceVery Low 1/f NoiseDifferential Signal OutputOverload DetectionTSSOP-16 PackageWide Input Range: ±15.5 V at ±18 V SupplyBinary Gain Steps: 128 V/V to 1/8 V/VAdditional Scaling Factor: 1 V/V and 1 3/8 V/VLow Offset Voltage: 5 µV at G = 128Near-Zero Long-Term Drift of Offset VoltageNear-Zero Gain Drift: 0.5 ppm/°CExcellent Linearity: 1.5 ppmExcellent CMRR: 140 dBHigh Input ImpedanceVery Low 1/f NoiseDifferential Signal OutputOverload DetectionTSSOP-16 Package

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. 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.