TLC1549C_14 Datasheet, PDF (2/18 Pages) Texas Instruments – 10-BIT ANALOG-TO-DIGITAL CONVERTERS WITH SERIAL CONTROL

TLC1549C, TLC1549I, TLC1549M
10-BIT ANALOG-TO-DIGITAL CONVERTERS
WITH SERIAL CONTROL
SLAS059C – DECEMBER 1992 – REVISED MARCH 1995
functional block diagram
REF +
1
REF –
3
10-Bit
Analog-to-Digital
Converter
(switched capacitors)
10
2
ANALOG IN
Sample and
Hold
Output
Data
10
10-to-1 Data ₆
Selector and
DATA OUT
Register
Driver
4
System Clock,
Control Logic,
and I/O
Counters
7
I/O CLOCK
5
CS
Terminal numbers shown are for the D, JG, and P packages only.
typical equivalent inputs
INPUT CIRCUIT IMPEDANCE DURING SAMPLING MODE
ANALOG IN
1 kΩ TYP
Ci = 60 pF TYP
(equivalent input
capacitance)
INPUT CIRCUIT IMPEDANCE DURING HOLD MODE
ANALOG IN
5 MΩ TYP
2
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