TLC1541IN 10-bit A/D Converter with Serial Control

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The TLC1541IN is a CMOS A/D converter built around a 10-bit switched-capacitor successive approximation A/D converter. The device is designed for serial interface to a microprocessor or peripheral using a 3-state output with up to four control inputs (including independent SYSTEM CLOCK, I/O CLOCK, chip select [CS], and ADDRESS INPUT). A 2.1-MHz system clock for the TLC1541, with a design that includes simultaneous read/write operation, allows highspeed data transfers and sample rates up to 32 258 samples per second. In addition to the high-speed converter and versatile control logic, there is an on-chip, 12-channel analog multiplexer that can be used to sample any one of 11 inputs or an internal self-test voltage and a sample-and hold function that operates automatically.

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TLC1541IN Pinout

TLC1541IN Pin Configuration

Pin No	Pin Name	Description
1	IN A0	Input Pin A0
2	IN A1	Input Pin A1
3	IN A2	Input Pin A2
4	IN A3	Input Pin A3
5	IN A4	Input Pin A4
6	IN A5	Input Pin A5
7	IN A6	Input Pin A6
8	IN A7	Input Pin A7
9	IN A8	Input Pin A8
10	GND	Ground Pin
11	IN A9	Input Pin A9
12	IN A10	Input Pin A10
13	REF-	Negative Reference Voltage
14	REF+	Positive Reference Voltage
15	CS’	Chip Select (Active Low)
16	DATA OUT	Data output Pin
17	ADDRESS IN	Address Input Pin
18	I/O CLK	Input /Output Clock Pin
19	SYS CLK	System Clock Pin
20	VCC	Supply Voltage

TLC1541IN Features

10-Bit Resolution A/D Converter
Microprocessor Peripheral or Stand alone Operation
On-Chip 12-Channel Analog Multiplexer
Built-In Self-Test Mode
Software-Controllable Sample-and-Hold Function
Total Unadjusted Error ±1 LSB Max
Pinout and Control Signals Compatible with TLC540 and TLC549 Families of 8-Bit A/D Converters
CMOS Technology