ChongMing Group (HK) Int'l Co., Ltd
CHONGMING GROUP (HK) INT'L CO., LTD.
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OPA27GU/2K5E4 Audio Power Amplifier IC Precision Amplifiers High Precision Oper Amplifier
FEATURES
● LOW NOISE: 4.5nV/√Hz max at 1kHz
● LOW OFFSET: 100μV max
● LOW DRIFT: 0.4μV/°C
● HIGH OPEN-LOOP GAIN: 117dB min
● HIGH COMMON-MODE REJECTION: 100dB min
● HIGH POWER-SUPPLY REJECTION: 94dB min
● FITS OP-07, OP-05, AD510, AND AD517 SOCKETS
APPLICATIONS
● PRECISION INSTRUMENTATION
● DATA ACQUISITION
● TEST EQUIPMENT
● PROFESSIONAL AUDIO EQUIPMENT
● TRANSDUCER AMPLIFIERS
● RADIATION HARD EQUIPMENT
DESCRIPTION
The OP A27 and OP A37 are ultra-low noise, high-precision monolithic operational amplifiers.
Laser-trimmed thin-film resistors provide excellent long-term voltage offset stability and allow superior voltage offset compared to common zener-zap techniques.
A unique bias current cancellation circuit allows bias and offset current specifications to be met over the full –40°C to +85°C temperature range.
The OPA27 is internally compensated for unity-gain stability. The decompensated OPA37 requires a closed-loop gain ≥ 5.
The Texas Instruments’ OPA27 and OPA37 are improved replacements for the industry-standard OP-27 and OP-37.