TLC549CP 8-bit A/D Converter

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The TLC549CP is 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 1.1MHz.

TLC549CP Pinout

TLC549CP Pin Configuration

Pin No	Pin Name	Description
1	REF+	Positive Reference Voltage
2	ANALOG IN	Analog Input Pin
3	REF-	Negative Reference Voltage
4	GND	Ground Pin
5	CS’	Chip Select (Active Low)
6	DATA OUT	Data Output Pin
7	I/O CLK	Input /Output Clock
8	VCC	Supply Voltage

TLC549CP Features

Microprocessor Peripheral or Stand alone Operation
8-Bit Resolution A/D Converter
Differential Reference Input Voltages
Conversion Time 17 ms Max
Total Access and Conversion Cycles Per Second – TLC549 up to 40 000
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
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