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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
| Category | | |
| Mfr | | |
| Series | - | |
| Packaging | Tape & Reel (TR) Cut Tape (CT) Digi-Reel® | |
| Part Status | Active | |
| Amplifier Type | | |
| Number of Circuits | 1 | |
| Output Type | Rail-to-Rail | |
| Slew Rate | 1V/µs | |
| Gain Bandwidth Product | 6 MHz | |
| Current - Input Bias | 300 pA | |
| Voltage - Input Offset | 5 µV | |
| Current - Supply | 2.4mA | |
| Voltage - Supply Span (Min) | 10 V | |
| Voltage - Supply Span (Max) | 36 V | |
| Operating Temperature | -55°C ~ 140°C | |
| Mounting Type | Surface Mount | |
| Package / Case | 16-TSSOP (0.173", 4.40mm Width) | |
| Supplier Device Package | 16-TSSOP | |
| Base Product Number |
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