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925AI Datasheet(PDF) 1 Page - STMicroelectronics |
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925AI Datasheet(HTML) 1 Page - STMicroelectronics |
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1 / 17 page  Rev 2 17 November 2005 1/17 TS925 Rail-to-Rail High Output Current Quad Operational Amplifiers With Standby Mode and Adjustable Phantom Ground ■ Rail-to-rail input and output ■ Low noise: 9nV/ √Hz ■ Low distortion ■ High output current: 80mA (able to drive 32 Ω loads) ■ High-speed: 4MHz, 1.3V/ µs ■ Operating from 2.7V to 12V ■ Low input offset voltage: 900 µV max. (TS925A) ■ Adjustable phantom ground (VCC/2) ■ Standby mode ■ ESD internal protection: 2kV ■ Latch-up immunity Description The TS925 is a rail-to-rail quad BiCMOS operational amplifier optimized and fully specified for 3V and 5V operation. High output current allows low load impedances to be driven. An internal low impedance phantom ground eliminates the need for an external reference voltage or biasing arrangement. The TS925 exhibits very low noise, low distortion and high output current making this device an excellent choice for high quality, low voltage or battery operated audio/telecom systems. The device is stable for capacitive loads up to 500pF. When the STANDBY mode is enabled, the total consumption drops to 6 µA (V CC = 3V). Applications ■ Headphone amplifier ■ Soundcard amplifier, piezoelectric speaker ■ MPEG boards, multimedia systems... ■ Cordless telephones and portable communication equipment ■ Line driver, buffer ■ Instrumentation with low noise as key factor 1 2 3 4 13 14 15 16 5 6 7 8 12 11 10 9 + - Output 1 Inverting Input 1 Non-inverting Input 1 V CC + + - V CC - Non-inverting Input 2 Inverting Input 2 Output 2 Phantom ground Output 4 Inverting Input 4 Non-inverting Input 4 Non-inverting Input 3 Inverting Input 3 Output 3 Stdby N DIP16 (Plastic Package) Pin connections (top view) D SO-16 (Plastic Micropackage) P TSSOP16 (Thin Shrink Small Outline Package) www.st.com |
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