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TLC2555CDGK Folha de dados(PDF) 1 Page - Texas Instruments |
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TLC2555CDGK Folha de dados(HTML) 1 Page - Texas Instruments |
1 / 28 page TLC2551, TLC2552, TLC2555 5-V, LOW-POWER, 12-BIT, 175/360 KSPS, SERIAL ANALOG-TO-DIGITAL CONVERTERS WITH AUTOPOWER DOWN SLAS276D – MARCH 2000 – REVISED MAY 2003 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 D Maximum Throughput . . . 175/360 KSPS D INL/DNL: ±1 LSB Max, SINAD: 72 dB, SFDR: 85 dB, fi = 20 kHz D SPI/DSP-Compatible Serial Interface D Single 5-V Supply D Rail-to-Rail Analog Input With 500 kHz BW D Three Options Available: – TLC2551: Single Channel Input – TLC2552: Dual Channels With Autosweep – TLC2555: Single Channel With Pseudo-Differential Input D Low Power With Autopower Down – Operating Current: 3.5 mA Autopower Down: 8 µA D Small 8-Pin MSOP and SOIC Packages TOP VIEW TLC2551 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 TLC2552 TOP VIEW TLC2555 description The TLC2551, TLC2552, and TLC2555 are a family of high performance, 12-bit, low-power, miniature, CMOS analog-to-digital converters (ADC). The TLC255x family uses a 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 TMS320 DSP, a frame sync signal (FS) can be used to indicate the start of a serial data frame on CS for all devices or on FS for the TLC2551. The TLC2551, TLC2552, and TLC2555 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 TLC255x family uses SCLK as the conversion clock, which provides synchronous operation and a minimum conversion time of 1.5 µs using a 20-MHz SCLK. AVAILABLE OPTIONS PACKAGED DEVICES TA 8-MSOP (DGK) 8-SOIC (D) TLC2551CDGK (AHF) 0 °C to 70°C TLC2552CDGK (AHH) 0 C to 70 C TLC2555CDGK (AHJ) TLC2551IDGK (AHG) TLC2551ID –40 °C to 85°C TLC2552IDGK (AHI) TLC2552ID 40 C to 85 C TLC2555IDGK (AHK) TLC2555ID Copyright 2002 – 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. TMS320 is a trademark of Texas Instruments. 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. |
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