Texas Instruments INA188
The INA188 is a precision instrumentation amplifier that uses TI proprietary auto-zeroing techniques to achieve low offset voltage, near-zero offset and gain drift, excellent linearity, and exceptionally low-noise density (12 nV/√Hz) that extends down to dc. The INA188 is optimized to provide excellent common-mode rejection of greater than 104 dB (G ≥ 10). The versatile three op-amp design offers a rail-to-rail output, low-voltage operation from a 4-V single supply as well as dual supplies up to ±18 V, and a wide, high-impedance input range.| Part No. | INA188 |
|---|---|
| Datasheet | INA188 Download |
| Manufacturer |  Texas Instruments |
| Description | High-Voltage Instrumentation Amplifier |
| Buy | Stock & Price |
FEATURES
●1 Excellent DC Performance: – Low Input Offset Voltage: 55 μV (max) – Low Input Offset Drift: 0.2 μV/°C (max) – High CMRR: 104 dB, G ≥ 10 (min)● Low Input Noise: – 12 nV/√Hz at 1 kHz – 0.25 μVPP (0.1 Hz to 10 Hz)
● Wide Supply Range: – Single Supply: 4 V to 36 V – Dual Supply: ±2 V to ±18 V
● Gain Set with a Single External Resistor: – Gain Equation: G = 1 + (50 kΩ / RG) – Gain Error: 0.007%, G = 1 – Gain Drift: 5 ppm/°C (max) G = 1
● Input Voltage: (V–) + 0.1 V to (V+) – 1.5 V
● RFI-Filtered Inputs
● Rail-to-Rail Output
● Low Quiescent Current: 1.4 mA
● Operating Temperature: –55°C to +150°C
● SOIC-8 and DFN-8 Packages 2
APPLICATIONS
● Bridge Amplifiers● ECG Amplifiers
● Pressure Sensors
● Medical Instrumentation
● Portable Instrumentation
● Weigh Scales
● Thermocouple Amplifiers
● RTD Sensor Amplifiers
● Data Acquisition 3
DESCRIPTION
Superior common-mode and supply rejection supports high-resolution, precise measurement applications. These specifications make this device ideal for universal signal measurement and sensor conditioning (such as temperature or bridge applications).
