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5962-9753701Q2A Datasheet(PDF) 1 Page - Texas Instruments |
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5962-9753701Q2A Datasheet(HTML) 1 Page - Texas Instruments |
1 / 39 page TLC4501, TLC4501A, TLC4502, TLC4502A FAMILY OF SELF-CALIBRATING (Self-Cal ) PRECISION CMOS RAIL-TO-RAIL OUTPUT OPERATIONAL AMPLIFIERS SLOS221B – MAY 1998 – REVISED APRIL 2001 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 D Self-Calibrates Input Offset Voltage to 40 µV Max D Low Input Offset Voltage Drift ...1 µV/°C D Input Bias Current ...1 pA D Open Loop Gain . . . 120 dB D Rail-To-Rail Output Voltage Swing D Stable Driving 1000 pF Capacitive Loads D Gain Bandwidth Product . . . 4.7 MHz D Slew Rate . . . 2.5 V/µs D High Output Drive Capability . . . ±50 mA D Calibration Time . . . 300 ms D Characterized From –55°C to 125°C D Available in Q-Temp Automotive HighRel Automotive Applications Configuration Control / Print Support Qualification to Automotive Standards description The TLC4501 and TLC4502 are the highest precision CMOS single supply rail-to-rail operational amplifiers available today. The input offset voltage is 10 µV typical and 40 µV maximum. This exceptional precision, combined with a 4.7-MHz bandwidth, 2.5-V/ µs slew rate, and 50-mA output drive, is ideal for multiple applications including: data acquisition systems, measurement equipment, industrial control applications, and portable digital scales. These amplifiers feature self-calibrating circuitry which digitally trims the input offset voltage to less than 40 µV within the first 300 ms of operation. The offset is then digitally stored in an integrated successive approximation register (SAR). Immediately after the data is stored, the calibration circuitry effectively drops out of the signal path, shuts down, and the device functions as a standard operational amplifier. Power-On Reset IN+ OUT A/D – + Control Logic Oscillator D/A SAR GND IN– VDD 5 V Calibration Circuitry Offset Control 3 2 8 1 4 Figure 1. Channel One of the TLC4502 Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. Copyright 2001, Texas Instruments Incorporated PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. LinEPIC and Self-Cal are trademarks of Texas Instruments. On products compliant to MIL-PRF-38535, all parameters are tested unless otherwise noted. On all other products, production processing does not necessarily include testing of all parameters. |
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