VCA8617

SBOS308B − AUGUST 2004 − REVISED NOVEMBER 2004

www.ti.com

4

IN6

AGND

IN5

AGND

DV

DD

DGND

D

OUT

CLK

D

IN

CS

DGND

DV

DD

AGND

IN4

AGND

IN3

OUT8

OUT8

OUT7

OUT7

OUT6

OUT6

OUT5

OUT5

OUT4

OUT4

OUT3

OUT3

OUT2

OUT2

OUT1

OUT1

48

47

46

45

44

43

42

41

40

39

38

37

36

35

34

33

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

64

63

62

61

60

59

58

57

56

55

54

17

18

19

20

21

22

23

24

25

26

27

53

52

51

50

49

28

29

30

31

32

VCA8617

PIN DESCRIPTIONS

PIN

DESIGNATOR

DESCRIPTION

5, 12

DVDD

Digital supplies

2, 4, 13, 15, 17, 19, 27, 50, 54, 62, 64

AGND

Analog ground

1, 3, 14, 16, 18, 20, 61, 63

IN(1−8)

Single-ended LNA inputs

22−26, 55−59

CW(0−9)

Continuous wave outputs

51

VLNA

Reference voltage for LNA−internally generated; requires external bypass cap

29

VFIL

Reference voltage for Output Filter−internally generated; requires external bypass

cap

30

VCM

Common-mode voltage−internally generated; requires external bypass cap

24, 36, 38, 40, 42, 44, 46, 48

OUT(1−8)

Positive polarity PGA outputs

33, 35, 37, 39, 41, 43, 45, 47

OUT(1−8)

Negative polarity PGA outputs

52

VCNTRL

Attenuator control input

9

DIN

Serial data input pin

10

CS

Serial data chip select

8

CLK

Serial data input clock

7

DOUT

Serial data output pin

21, 28, 53, 60

AVDD

Analog supplies

6, 11

DGND

Digital ground

49

VREF

Reference voltage for attenuator−internally generated; requires external bypass cap

32

VDDR

Reference power supply

31

GNDR

Reference ground