Precision, 200-µA Supply Current, 2.7-V to 36-V Supply

Instrumentation Amplifier with Rail-to-Rail Output

FEATURES

• Input Common-Mode Range: Includes V–

• Common-Mode Rejection:

– 104 dB, min (G = 10)

• Power-Supply Rejection: 100 dB, min (G = 1)

• Low Offset Voltage: 150 µV, max

• Gain Drift: 1 ppm/°C (G = 1), 35 ppm/°C (G > 1)

• Noise: 18 nV/√Hz, G ≥ 100

• Bandwidth: 1 MHz (G = 1), 60 kHz (G = 100)

• Inputs Protected up to ±40 V

• Rail-to-Rail Output

• Supply Current: 200 µA

• Supply Range:

+2.7 V TO +36 V

• Specified Temperature Range:

–40°C to +125°C

• Packages: MSOP-8, SO-8 and DFN-8

RELATED PRODUCTS

APPLICATION INFORMATION

Figure 58 shows the basic connections required for operation of the INA826. Good layout practice mandates the use of bypass capacitors placed as close to the device pins as possible. The output of the INA826 is referred to the output reference (REF) terminal, which is normally grounded. This connection must be low-impedance to assure good common-mode rejection. Although 5 Ω or less of stray resistance can be tolerated while maintaining specified CMRR, small stray resistances of tens of ohms in series with the REF pin can cause noticeable degradation in CMRR.

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