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TLV2542IDR Datasheet(PDF) 1 Page - Texas Instruments |
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TLV2542IDR Datasheet(HTML) 1 Page - Texas Instruments |
1 / 33 page TLV2541, TLV2542, TLV2545 2.7-V TO 5.5-V, LOW-POWER, 12-BIT, 140/200 KSPS, SERIAL ANALOG-TO-DIGITAL CONVERTERS WITH AUTOPOWER DOWN SLAS245E −MARCH 2000 − REVISED APRIL 2010 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251−1443 D Maximum Throughput . . . 140/200 KSPS D Built-In Conversion Clock D INL/DNL: ±1 LSB Max, SINAD: 72 dB, SFDR: 85 dB, fi = 20 kHz D SPI/DSP-Compatible Serial Interface D Single Supply: 2.7 Vdc to 5.5 Vdc D Rail-to-Rail Analog Input With 500 kHz BW D Three Options Available: − TLV2541: Single Channel Input − TLV2542: Dual Channels With Autosweep − TLV2545: Single Channel With Pseudo-Differential Input D Low Power With Autopower Down − Operating Current: 1 mA at 2.7 V, 1.5 mA at 5 V Autopower Down: 2 μA at 2.7 V, 5 μA at 5 V D Small 8-Pin MSOP and SOIC Packages TOP VIEW TLV2541 1 2 3 4 8 7 6 5 CS VREF GND AIN SDO FS VDD SCLK 1 2 3 4 8 7 6 5 CS VREF GND AIN0 SDO SCLK VDD AIN1 1 2 3 4 8 7 6 5 CS VREF GND AIN(+) SDO SCLK VDD AIN(−) TOP VIEW TLV2542 TOP VIEW TLV2545 description The TLV2541, TLV2542, and TLV2545 are a family of high performance, 12-bit, low power, miniature, CMOS analog-to-digital converters (ADC). The TLV254x family operates from a single 2.7-V to 5.5-V supply. Devices are available with single, dual, or single pseudo-differential inputs. Each device has 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 TMS320t DSP, a frame sync signal (FS) can be used to indicate the start of a serial data frame on CS for all devices or FS for the TLV2541. TLV2541, TLV2542, and TLV2545 are designed to operate with very low power consumption. The power saving feature is further enhanced with an autopower-down mode. This product family features a high-speed serial link to modern host processors with SCLK up to 20 MHz. The maximum SCLK frequency is dependent upon the mode of operation (see Table 1). The TLV254x family uses the built-in oscillator as the conversion clock, providing a 3.5-μs conversion time. AVAILABLE OPTIONS PACKAGED DEVICES TA 8-MSOP (DGK) 8-SOIC (D) TLV2541CDGK (AGZ) 0°C to 70°C TLV2542CDGK (AHB) 0 C to 70 C TLV2545CDGK (AHD) TLV2541IDGK (AHA) TLV2541ID −40°C to 85°C TLV2542IDGK (AHC) TLV2542ID 40 C to 85 C TLV2545IDGK (AHE) TLV2545ID Copyright © 2000 − 2003, 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. TMS320 is a trademark of Texas Instruments. |
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