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TLC4541 Fiches technique(PDF) 1 Page - Texas Instruments |
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TLC4541 Fiches technique(HTML) 1 Page - Texas Instruments |
1 / 28 page TLC4541, TLC4545 SLAS293 − DECEMBER 2001 5V, LOW POWER, 16BIT, 200KSPS SERIAL ANALOGTODIGITAL CONVERTERS WITH AUTOPOWER DOWN 1 www.ti.com FEATURES D 200-KSPS Sampling Rate D Built-In Conversion Clock D INL: ±2.5 LSB Max, DNL: 2 to −1 LSB Max D SINAD = 84.5 dB, SFDR = 95 dB, THD = 94 dB at 15 kHz fin, 200 KSPS D SPI/DSP-Compatible Serial Interfaces With SCLK Input up to 15 MHz D Single 5-V Supply D Rail-to-Rail Analog Input With 500 kHz BW D Two Input Options Available: − TLC4541 − Single Channel Input − TLC4545 − Single Channel, Pseudo-differential Input D (TLC4541) Optimized DSP Interface − Requires FS Input Only D Low Power With Auto-Power Down − Operating Current: 3.5 mA − Auto-Power Down Current: 5 µA D Pin Compatible 12/14/16-Bit Family in 8-Pin SOIC and MSOP Packages APPLICATIONS D ATE System D Industrial Process Control D Measurement D Motor Control DESCRIPTION The TLC4541 and TLC4545 are a family of high performance, 16-bit, low power, miniature CMOS analog-to-digital converters (ADCs). These devices operate from a single 5-V supply. Devices are available with single, dual, or single pseudo-differential inputs. All of these devices have a chip select (CS), serial clock (SCLK), and serial data output (SDO) that provides a direct 3-wire interface to the serial port of most popular host microprocessors (SPI interface). When interfaced with a DSP, a frame sync signal (FS) is used to indicate the start of a serial data frame on either pin 1 (CS) or pin 7 (FS) for the TLC4541. The TLC4545 ADC connects to the DSP via pin 1 only (CS). The TLC4541 and TLC4545 are designed to operate with low power consumption. The power saving feature is further enhanced with an auto-power down mode. This product family features a high-speed serial link to modern host processors with an external SCLK up to 15 MHz. Both families use a built-in oscillator as the conversion clock, providing a 2.94 µs maximum conversion time. SDO FS VDD SCLK 8 7 6 5 1 2 3 4 CS REF GND AIN TLC4541 D OR DGK Package (TOP VIEW) SDO SCLK VDD AIN(−) 8 7 6 5 1 2 3 4 CS REF GND AIN(+) TLC4545 D OR DGK Package (TOP VIEW) 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. Copyright 2001, Texas Instruments Incorporated 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. |
Numéro de pièce similaire - TLC4541 |
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Description similaire - TLC4541 |
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