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TLC545CN-TLC545IFN-TLC545IN Fast Delivery,Good Price
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TLC545CNTIN/a580avai8-Bit, 76 kSPS ADC Serial Out, On-Chip 20 Ch. Analog Mux, 19 Ch.
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TLC545CN-TLC545IFN-TLC545IN
8-Bit, 76 kSPS ADC Serial Out, On-Chip 20 Ch. Analog Mux, 19 Ch.
Built-in Self-Test Mode Software-Controllable Sample and Hold Total Unadjusted Error...± 0.5 LSB Max Timing and Control Signals CompatibleWith 8-Bit TLC540 and 10-Bit TLC1540 A/D
Converter Families
CMOS Technology

description

The TLC545 and TLC546 are CMOS
analog-to-digital converters built around an 8-bit
switched capacitor successive-approximation
analog-to-digital converter. They are designed for
serial interface to a microprocessor or peripheral
via a 3-state output with up to four control inputs
including independent SYSTEM CLOCK, I/O
CLOCK, chip select (CS), and ADDRESS INPUT.
A 4-MHz system clock for the TLC545 and a
2.1-MHz system clock for the TLC546 with a
design that includes simultaneous read/write
operation allowing high-speed data transfers and
sample rates of up to 76,923 samples per second
for the TLC545, and 40,000 samples per second
for the TLC546.
In addition to the high-speed converter and
versatile control logic, there is an on-chip
20-channel analog multiplexer that can be used to
sample any one of 19 inputs or an internal self-test
voltage, and a sample-and-hold that can operate
automatically or under microprocessor control.
The converters incorporated in the TLC545 and TLC546 feature differential high-impedance reference inputs
that facilitate ratiometric conversion, scaling, and analog circuitry isolation from logic and supply noises. A totally
switched capacitor design allows low-error (±0.5 LSB) conversion in 9 μs for the TLC545, and 17 μs for the
TLC546, over the full operating temperature range.
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.
INPUT A2
INPUT A3
INPUT A4
INPUT A5
INPUT A6
INPUT A7
INPUT A8
INPUT A9
INPUT A10
INPUT A11
INPUT A12
GND
I/O CLOCK
ADDRESS INPUT
DATA OUT
REF+
REF–
INPUT A18
INPUT A17
INPUT A16
INPUT A15
INPUT A14
INPUT A13
ADDRESS INPUT
DATA OUT
REF+
REF–
INPUT A18
INPUT A17
INPUT A4
INPUT A5
INPUT A6
INPUT A7
INPUT A8
INPUT A9
INPUT A10
INPUT
A12
GND
INPUT
A13
INPUT
A14
INPUT
A15
INPUT
A16
INPUT
A3
INPUT
A2
INPUT
A1
INPUT
A0
FN PACKAGE
(TOP VIEW)

INPUT
A1SYSTEM CLOCKI/O CLOCK
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