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Home > Integrated Circuits > Operational Amplifers

High precision operational amplifier

The op amps (short for operational amplifiers) have broad applications. For sensing small signals, low offset voltage and low noise are required. Our first IC, AT8551, is such a product. It has very low maximum offset voltage, <5µV (competition AD8551: 10µV); low noise, <0.75µV_P-P @0.01Hz to 10Hz (competition AD8551: 1µV_P-P @0Hz to 10Hz); high slew rate, 2.7V/µs (competition AD8551: 0.4µV/µs); high speed, 4.5MHz (competition AD8551: 1.5MHz); and, the best of all, low cost, $0.78 @1000pcs (competition AD8551: $1.25 @1000pcs).

CMOS Operational Amplifier AT8551

CMOS Operational Amplifier AT8551

The AT8551/AT8552 (dual version) series of CMOS operational amplifiers use auto-zero techniques to simultaneously provide very low offset voltage (5uV max) and near-zero drift over time and temperature. This family of amplifiers has ultralow noise, offset and power.

Part Number	Offset Voltage	Noise (0.01Hz to 10Hz)	Slew Rate	Bandwidth	Unit Price @1000pcs	Buy Now	Datasheet
AT8551	<5µV	<0.75µV_P-P	2.7V/µs	4.5MHz	$0.78			200

Part Number	Datasheet
AT8551

CMOS Operational Amplifier AT8557

CMOS Operational Amplifier AT8557

This AT8557 general-purpose CMOS operational amplifiers that provides ultralow noise, offset and power. The AT8557 use auto-zero techniques to simultaneously provide very low offset voltage (50μV max) and near-zero drift over time and temperature.

Part Number	Offset Voltage	Noise (0.01Hz to 10Hz)	Slew Rate	Bandwidth	Unit Price @1000pcs	Buy Now	Datasheet
AT8557	<20µV	<0.93µV_P-P	2.5V/µs	4.3MHz	$0.56			100

Part Number	Datasheet
AT8557