Low-Charge-Injection, 8-Channel, High-Voltage

Analog Switches with 20MHz Serial Interface

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7

Pin/Bump Descriptions

PIN/BUMP

MAX4800A

LQFP

MAX4800A

CSBGA

MAX4800A

PLCC

NAME

FUNCTION

1

E4

26

COM5

Analog Switch 5—Common Terminal

2, 4, 6, 7, 9,

11, 13, 15, 17,

19, 21, 23, 26,

27, 30, 31, 32,

38, 40, 42, 44,

46, 48

D6

9, 11, 15

N.C.

No Connection. Not connected internally.

3

E1

27

COM4

Analog Switch 4—Common Terminal

5

E3

28

NO4

Analog Switch 4—Normally Open Terminal

8

D1

1

COM3

Analog Switch 3—Common Terminal

10

D3

2

NO3

Analog Switch 3—Normally Open Terminal

12

D4

3

COM2

Analog Switch 2—Common Terminal

14

C3

4

NO2

Analog Switch 2—Normally Open Terminal

16

C4

5

COM1

Analog Switch 1—Common Terminal

18

A4

6

NO1

Analog Switch 1—Normally Open Terminal

20

C5

7

COM0

Analog Switch 0—Common Terminal

22

D5

8

NO0

Analog Switch 0—Normally Open Terminal

24

C6

10

0.1μF or greater ceramic capacitor.

25

C7

12

0.1μF or greater ceramic capacitor.

28

D7

13

GND

Ground

29

D9

14

greater ceramic capacitor.

33

E9

16

DIN

Serial-Data Input

34

E7

17

CLK

Serial-Clock Input

35

E6

18

LE

Latch-Enable Input, Active Low

36

F7

19

CLR

Latch Clear Input

37

F6

20

DOUT

Serial-Data Output

39

E5

21

COM7

Analog Switch 7—Common Terminal

41

F5

22

NO7

Analog Switch 7—Normally Open Terminal

43

F4

23

COM6

Analog Switch 6—Common Terminal

45

H4

24

NO6

Analog Switch 6—Normally Open Terminal

47

F3

25

NO5

Analog Switch 5—Normally Open Terminal