The AD8237ARMZ is ADI's micropower, zero-drift, rail-to-rail input and output instrumentation amplifier. The relative matching of the two resistors sets any gain between 1 and 1000. The AD8237ARMZ has excellent gain accuracy performance and can maintain any gain with two proportionally matched resistors. The AD8237 uses an indirect current feedback architecture for true rail-to-rail capability.
Unlike traditional built-in amplifiers, the AD8237ARMz can fully amplify signals with common-mode voltages at or even slightly higher than their power supply. This enables applications with high common-mode voltages to use smaller power supplies and save power. The AD8237ARMz is the best choice for portable systems. The AD8237ARMz has a minimum supply voltage of 18 V, 115 A typical supply current, and a wide input range make the most of limited power budgets while providing bandwidth and drift performance for benchtop systems.
Use 2 external resistors to set the gain.
Low gain drift can be achieved at all gains.
Ideal for battery-powered instruments.
Supply current: 115 A
Rail-to-rail inputs and outputs.
Zero input crossover distortion.
Designed for superior DC performance.
Minimum common-mode rejection ratio: 106 dB
Maximum Offset Voltage Drift: 03µv/°c
Maximum gain error: 0005% (all gains).
Maximum gain drift: 05 ppm °C (all gains).
Input bias current: 1 nA, guaranteed 125°C
The bandwidth mode pin (BW) used to adjust the compensation
8 kV HBM ESD rating.
On-chip RFI filter.
Single Supply Operation: 18 V to 55 v
8-lead MSOP package.
Bridge amplification. Pressure measurement.
Medical devices. Thermocouple interface.
Portable system.
Current measurements.
Brand: ADI (Analog Devices).
Product Family: Linear Devices - Amplifiers - Instruments, Operational Amplifiers, Buffer Amplifiers.
Packing: Pipe fittings.
Part Status: Active.
Amplifier Type: Instrument.
Number of circuits: 1 Output type: Rail-to-rail.
Slew rate: 015v/μs
Gain-bandwidth product: -
3db bandwidth: 200kHz
Current-input bias: 250pa
Voltage-input compensation: 25 V
Current-power supply: 115 A
Current-output channel: 4mA
Voltage-power supply, single and double(±1.8v ~ 5.5v
Operating temperature: -40°C 125°C
Mounting Type: Surface Mount Type.
Product package: 8-TSSOP, 8-MSOP (0..)118，3.00mm wide).
AD8237ARMz pin diagram.
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