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TLC2654 Fiches technique(PDF) 1 Page - Texas Instruments |
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TLC2654 Fiches technique(HTML) 1 Page - Texas Instruments |
1 / 30 page TLC2654, TLC2654A Advanced LinCMOS ™ LOW-NOISE CHOPPER-STABILIZED OPERATIONAL AMPLIFIERS SLOS020F – NOVEMBER 1988 – REVISED JULY 1999 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 D Input Noise Voltage 0.5 µV (Peak-to-Peak) Typ, f = 0 to 1 Hz 1.5 µV (Peak-to-Peak) Typ, f = 0 to 10 Hz 47 nV/ √Hz Typ, f = 10 Hz 13 nV/ √Hz Typ, f = 1 kHz D High Chopping Frequency . . . 10 kHz Typ D No Clock Noise Below 10 kHz D No Intermodulation Error Below 5 kHz D Low Input Offset Voltage 10 µV Max (TLC2654A) D Excellent Offset Voltage Stability With Temperature . . . 0.05 µV/°C Max D AVD . . . 135 dB Min (TLC2654A) D CMRR ...110 dB Min (TLC2654A) D kSVR . . . 120 dB Min (TLC2654A) D Single-Supply Operation D Common-Mode Input Voltage Range Includes the Negative Rail D No Noise Degradation With External Capacitors Connected to VDD– D Available in Q-Temp Automotive HighRel Automotive Applications Configuration Control/Print Support Qualification to Automotive Standards description The TLC2654 and TLC2654A are low-noise chopper-stabilized operational amplifiers using the Advanced LinCMOS ™ process. Combining this process with chopper-stabilization circuitry makes excellent dc precision possible. In addition, circuit techniques are added that give the TLC2654 and TLC2654A noise performance unsurpassed by similar devices. Chopper-stabilization techniques provide for extremely high dc precision by continuously nulling input offset voltage even during variations in temperature, time, common-mode voltage, and power-supply voltage. The high chopping frequency of the TLC2654 and TLC2654A (see Figure 1) provides excellent noise performance in a frequency spectrum from near dc to 10 kHz. In addition, intermodulation or aliasing error is eliminated from frequencies up to 5 kHz. This high dc precision and low noise, coupled with the extremely high input impedance of the CMOS input stage, makes the TLC2654 and TLC2654A ideal choices for a broad range of applications such as low-level, low-frequency thermocouple amplifiers and strain gauges and wide-bandwidth and subsonic circuits. For applications requiring even greater dc precision, use the TLC2652 or TLC2652A devices, which have a chopping frequency of 450 Hz. Copyright © 1999, 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. 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. 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. Advanced LinCMOS is a trademark of Texas Instruments Incorporated. 1 2 3 4 8 7 6 5 CXA IN – IN + VDD– CXB VDD+ OUT CLAMP D, JG, OR P PACKAGE 1 2 3 4 5 6 7 14 13 12 11 10 9 8 CXB CXA NC IN – IN + NC VDD– INT/EXT CLK IN CLK OUT VDD+ OUT CLAMP C RETURN D, J, OR N PACKAGE (TOP VIEW) NC – No internal connection 3 2 1 20 19 910 11 12 13 4 5 6 7 8 18 17 16 15 14 CLK OUT NC VDD+ NC OUT NC NC IN – NC IN + FK PACKAGE (TOP VIEW) (TOP VIEW) |
Numéro de pièce similaire - TLC2654 |
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Description similaire - TLC2654 |
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