TLV1549C, TLV1549I, TLV1549M

10-BIT ANALOG-TO-DIGITAL CONVERTERS

WITH SERIAL CONTROL

SLAS071C – JANUARY 1993 – REVISED MARCH 1995

2

POST OFFICE BOX 655303

typical equivalent inputs

INPUT CIRCUIT IMPEDANCE DURING SAMPLING MODE

INPUT CIRCUIT IMPEDANCE DURING HOLD MODE

1 k

Ω TYP

Ci = 60 pF TYP

(equivalent input

capacitance)

5 M

Ω TYP

ANALOG IN

ANALOG IN

functional block diagram

Sample and

Hold

10-Bit

Analog-to-Digital

Converter

(switched capacitors)

Output

Data

Register

10-to-1 Data

Selector and

Driver

System Clock,

Control Logic,

and I/O

Counters

10

10

4

REF +

REF –

DATA OUT

ANALOG IN

3

1

6

7

5

I/O CLOCK

CS

2

Terminal numbers shown are for the D, JG, and P packages only.