1.5MHz Zero-Drift CMOS Rail-to-Rail IO Opamp with RF Filter HG8551/2 with Very Low Offset Voltage and Low Quiescent Supply Current
The HG855X amplifier is a single/dual supply, micro-power, zero-drift CMOS operational amplifiers, the amplifiers offer a bandwidth of 1.5MHz, rail-to-rail inputs and outputs, and single-supply operation from 2.1V to 5.5V. HG855X uses a chopper stabilized technique to provide very low offset voltage (less than 5µV maximum) and near zero drift over temperature. A low quiescent supply current of 320µA per amplifier and very low input bias current of 20pA make the devices an ideal choice for low offset, low power consumption, and high impedance applications. The HG855X offers excellent CMRR without the crossover associated with traditional complementary input stages. This design results in superior performance for driving analog-to-digital converters (ADCs) without degradation of differential linearity.
The HG8551 Zero-Drift CMOS Rail-to-Rail IO Opamp is available in SOT23-5 and SOP8 packages. And the HG8552 is available in MSOP8 and SOP8 packages. The extended temperature range of -40℃ to +125℃ overall supply voltages offers additional design flexibility.
Features
Single-Supply Operation from +2.1V ~ +5.5V
Rail-to-Rail Input / Output
Gain-Bandwidth Product: 1.5MHz (Typ. @25℃)
Low Input Bias Current: 20pA (Typ. @25℃)
Low Offset Voltage: 5μV (Max. @25℃)
Quiescent Current: 320µA per Amplifier (Typ.)
Operating Temperature: -40℃ ~ +125℃
Zero Drift: 0.05µV/℃ (Max.)
Embedded RF Anti-EMI Filter
Small Package:
HG8551 Available in SOT23-5 and SOP-8 Packages
HG8552 Available in MSOP-8 and SOP-8 Packages
Applications
Transducer Application
Temperature Measurements
Electronics Scales
Handheld Test Equipment
Battery-Powered Instrumentation
Absolute Maximum Ratings
Electrical Characteristics (VS=+5V, VCM=+2.5V, VO=+2.5V, TA=+25℃, unless otherwise noted.)
Ordering Information
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