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TLC542I

Features: 8-Bit Resolution A/D ConverterMicroprocessor Peripheral or Stand-Alone OperationOn-Chip 12-Channel Analog MultiplexerBuilt-In Self-Test ModeSoftware-Controllable Sample and HoldTotal Unadjusted Error . . . ±0.5 LSB MaxDirect Replacement for Motorola MC145041Onboard System ClockEnd-of-Con...

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SeekIC No. : 004520650 Detail

TLC542I: Features: 8-Bit Resolution A/D ConverterMicroprocessor Peripheral or Stand-Alone OperationOn-Chip 12-Channel Analog MultiplexerBuilt-In Self-Test ModeSoftware-Controllable Sample and HoldTotal Unadj...

TLC542I Data Sheet

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Part Number:
TLC542I
Supply Ability:
5000

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  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

8-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
Total Unadjusted Error . . . ±0.5 LSB Max
Direct Replacement for Motorola MC145041
Onboard System Clock
End-of-Conversion (EOC) Output
Pinout and Control Signals Compatible With the TLC1542/3 10-Bit A/D Converters
CMOS Technology


Pinout

Connection Diagram


Specifications

Supply voltage, VCC (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6.5 V
Input voltage range (any input) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.3 V to VCC + 0.3 V
Output voltage range, VO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  . . . . 0.3 V to VCC+ 0.3 V
Peak input current range (any input), Ip-p) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . ±20 mA
Peak total input current (all inputs), IP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±30 mA
Operating free-air temperature range: TLC542C . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . 0°C to 70°C
                                                              TLC542l . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . 40°C to 85°C
Storage temperature range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65°C to 150°C
Case temperature for 10 seconds, TC: FN package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 260°C
Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds: DW or N package . . . . . . . . . . . . . . 260°C
† Stresses beyond those listed under "absolute maximum ratings" may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under "recommended operating conditions" is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
NOTE 1: All voltage values are with respect to digital ground with REF and GND wired together (unless otherwise noted).


Description

The TLC542I is a CMOS converter built around an 8-bit switched-capacitor successive-approximation analog-to-digital converter. The device is designed for serial interface to a microprocessor or peripheral via a 3-state output with three inputs [including I/O CLOCK, CS (chip select), and ADDRESS INPUT].

The TLC542Iallows high-speed data transfers and sample rates of up to 40,000 samples per second. In addition to the high-speed converter and versatile control logic, an on-chip 12-channel analog multiplexer can sample any one of 11 inputs or an internal self-test voltage, and the sample and hold is started under microprocessor control. At the end of conversion, the end-ofconversion (EOC) output pin of TLC542I goes high to indicate that conversion is complete.

The converter incorporated in the TLC542I features differential high-impedance reference inputs that facilitate ratiometric conversion, scaling, and isolation of analog circuitry from logic and supply noises. A switched capacitor design allows low-error (±0.5 LSB) conversion in 20 s over the full operating temperature range.

The TLC542C is characterized for operation from 0°C to 70°C and the TLC542I is characterized for operation from 40°C to 85°C.




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