Serially Controlled, Low-Voltage,

8-Channel SPST Switch

10

______________________________________________________________________________________

0

04

DATA SETUP TIME vs.

POSITIVE SUPPLY VOLTAGE

20

60

SUPPLY VOLTAGE (V)

8

40

80

90

100

70

10

50

30

26

100

0.001

-50

125

POWER-SUPPLY CURRENT

vs. TEMPERATURE

10

1

TEMPERATURE (

°C)

25

0.1

0.01

-25

0

75

50

100

V± = ±5.5V

I+

I-

10

04

MINIMUM SCLK PULSE WIDTH vs.

POSITIVE SUPPLY VOLTAGE

15

25

SUPPLY VOLTAGE (V)

8

20

30

35

26

0

-100

10k

100k

10M

1G

FREQUENCY RESPONSE

-80

-20

FREQUENCY (Hz)

1M

100M

-40

-60

20

-80

-100

-120

-60

0

-20

-40

PHASE

OFF ISOLATION

INSERTION LOSS

ISOLATION OF

A BARE SOCKET

V± = ±5V

50

Ω IN AND OUT

0.01

10

100

1k

10k

TOTAL HARMONIC DISTORTION

vs. FREQUENCY

0.1

FREQUENCY (Hz)

1

10

100

V± = ±5V

600

Ω IN AND OUT

____________________________Typical Operating Characteristics (continued)

______________________________________________________________Pin Description

Note: NO_ and COM_ pins are identical and interchangeable. Either may be considered as an input or an output; signals pass

equally well in either direction.

NAME

FUNCTION

1

SCLK

Serial Clock Digital Input

2

V+

Positive Analog Supply Voltage Input

PIN

3

DIN

Serial Data Digital Input

5, 7, 9, 11, 14, 16, 18, 20

NO0–NO7

Normally Open Analog Switches 0–7

6, 8, 10, 12, 13, 15, 17, 19

COM0–COM7

Common Analog Switches 0–7

21

V-

Negative Analog Supply Voltage Input. Connect to GND for single-supply operation

22

DOUT

Serial Data Digital Output. (High is sourced from V+.)

23

RESET

Reset Input. Connect to digital (logic) supply (or V+). Drive low to set all switch-

es off and set internal shift registers to 0.

24

CS

Chip-Select Digital Input (Figure 1)

4

GND

Ground. Connect to digital ground. (Analog signals have no ground reference;

they are limited to V+ and V-.)