AD8222HBCPZ-WP

AD8222HBCPZ-WP is a dual-channel, high-performance instrumentation amplifier that requires only one external resistor per amplifier to set gains of 1 to 10,000. It can also be configured as a single-channel, differential output instrumentation amplifier. Differential outputs provide high noise immunity, which can be useful when the output signal must travel through a noisy environment, such as with remote sensors. The configuration can also be used to drive differential input analogue-to-digital converters (ADCs). It operates on both single and dual supplies and only requires a 2.2mA maximum supply current for both amplifiers. It is used in applications such as multichannel data acquisition for ECG and medical instrumentation, industrial process controls, Wheatstone bridge sensors, differential drives for high-resolution input ADCs, remote sensors.

• Common mode rejection ratio is 126dB minimum at (G = 100, VS = ±15V, VREF = 0V, TA = 25°C)
• Input voltage noise is 8nV/√Hz typical at (V+IN, V−IN, VREF = 0V, VS = ±15V, VREF = 0V, TA = 25°C)
• Input offset voltage is 60µV max at (VS = ±5V to ±15V, VS = ±15V, VREF = 0V, TA = 25°C)
• Average TC is 0.3µV/°C typical at (VS = ±15V, VREF = 0V, TA = 25°C, G = 1, RL = 2Kohm)
• Input bias current is 1nA maximum at (VS = ±15V, VREF = 0V, TA = 25°C, G = 1, RL = 2Kohm)
• 140KHz typical -3dB bandwidth at (G = 100, VS = ±15V, VREF = 0V, TA = 25°C, RL = 2Kohm)
• Settling time 0.001% is 13µs typical at (VS = ±15V, VREF = 0V, TA = 25°C, RL = 2Kohm)
• Operating voltage range from ±2.3V to ±18V, quiescent current (per amplifier) is 0.9mA typical
• Current noise is 40fA/√Hz typical at (f = 1KHz, VS = ±15V, VREF = 0V, TA = 25°C, G = 1)
• Operating temperature range from -40°C to +85°C, 16-lead LFCSP package

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