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TLC2543IDW Scheda tecnica(PDF) 1 Page - Texas Instruments |
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TLC2543IDW Scheda tecnica(HTML) 1 Page - Texas Instruments |
1 / 27 page TLC2543C, TLC2543I, TLC2543M 12-BIT ANALOG-TO-DIGITAL CONVERTERS WITH SERIAL CONTROL AND 11 ANALOG INPUTS SLAS079D – DECEMBER 1993 – REVISED MAY 1997 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 D 12-Bit-Resolution A/D Converter D 10-µs Conversion Time Over Operating Temperature D 11 Analog Input Channels D 3 Built-In Self-Test Modes D Inherent Sample-and-Hold Function D Linearity Error... ±1 LSB Max D On-Chip System Clock D End-of-Conversion Output D Unipolar or Bipolar Output Operation (Signed Binary With Respect to 1/2 the Applied Voltage Reference) D Programmable MSB or LSB First D Programmable Power Down D Programmable Output Data Length D CMOS Technology D Application Report Available† description The TLC2543C and TLC2543I are 12-bit, switched- capacitor, successive-approximation, analog-to- digital converters. Each device has three control inputs [chip select (CS), the input-output clock (I/O CLOCK), and the address input (DATA INPUT)] and is designed for communication with the serial port of a host processor or peripheral through a serial 3-state output. The device allows high-speed data transfers from the host. In addition to the high-speed converter and versatile control capability, the device has an on-chip 14-channel multiplexer that can select any one of 11 inputs or any one of three internal self-test voltages. The sample-and-hold function is automatic. At the end of conversion, the end-of-conversion (EOC) output goes high to indicate that conversion is complete. The converter incorporated in the device features differential high-impedance reference inputs that facilitate ratiometric conversion, scaling, and isolation of analog circuitry from logic and supply noise. A switched-capacitor design allows low-error conversion over the full operating temperature range. The TLC2543C is characterized for operation from TA = 0°C to 70°C. The TLC2543I is characterized for operation from TA = –40°C to 85°C. The TLC2543M is characterized for operation from TA = –55°C to 125°C. Copyright © 1997, 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. † Microcontroller Based Data Acquisition Using the TLC2543 12-bit Serial-Out ADC (SLAA012) 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 AIN0 AIN1 AIN2 AIN3 AIN4 AIN5 AIN6 AIN7 AIN8 GND VCC EOC I/O CLOCK DATA INPUT DATA OUT CS REF + REF – AIN10 AIN9 (TOP VIEW) DB, DW, J, OR N PACKAGE 3 2 1 20 19 910 11 12 13 4 5 6 7 8 18 17 16 15 14 I/O CLOCK DATA INPUT DATA OUT CS AIN3 AIN4 AIN5 AIN6 AIN7 FK OR FN PACKAGE (TOP VIEW) REF + |
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