TLC549CDR Datasheet



The TLC548 and TLC549 are CMOS analog-to-digital converter (ADC) integrated circuits built around an 8-bit switched-capacitor successive-approximation ADC. These devices are designed for serial interface with a microprocessor or peripheral through a 3-state data output and an analog input. The TLC548 and TLC549 use only the input/output clock (I/O CLOCK) input along with the chip select (CS) input for data control. The maximum I/O CLOCK input frequency of the TLC548 is 2.048 MHz, and the I/O CLOCK input frequency of the TLC549 is specified up to 1.1 MHz.

Microprocessor Peripheral or Standalone Operation
8-Bit Resolution A/D Converter
Differential Reference Input Voltages
Conversion Time...17 µs Max
Total Access and Conversion Cycles Per Second
  – TLC548...up to 45500
  – TLC549...up to 40000
On-Chip Software-Controllable Sample-and-Hold Function
Total Unadjusted Error...±0.5 LSB Max
4-MHz Typical Internal System Clock
Wide Supply Range...3 V to 6 V
Low Power Consumption...15 mW Max
Ideal for Cost-Effective, High-Performance Applications including Battery-Operated Portable Instrumentation
Pinout and Control Signals Compatible With the TLC540 and TLC545 8-Bit A/D Converters and with the TLC1540 10-Bit A/D Converter
CMOS Technology



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Manufacturer information


Texas Instruments introduction - Texas Instruments Incorporated (TI) is a global semiconductor design and manufacturing company that develops analog ICs and embedded processors. By employing the world's brightest minds, TI creates innovations that shape the future of technology. TI is helping more than 100,000 customers transform the future, today.

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