AD8335 查看數據表（PDF） - Analog Devices

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AD8335

Quad Low Noise, Low Cost Variable Gain Amplifier

Analog Devices 

AD8335

PIN CONFIGURATION AND FUNCTION DESCRIPTIONS

PMD2 1

PIP2 2

VPP2 3

PON2 4

POP2 5

VIP2 6

VIN2 7

COM2 8

COM3 9

VIN3 10

VIP3 11

POP3 12

PON3 13

VPP3 14

PIP3 15

PMD3 16

PIN 1

IDENTIFIER

AD8335

TOP VIEW

(Not to Scale)

48 GND1

47 VOH1

46 VOL1

45 VPV1

44 VPV2

43 VOL2

42 VOH2

41 GND2

40 GND3

39 VOH3

38 VOL3

37 VPV3

36 VPV4

35 VOL4

34 VOH4

33 GND4

Figure 2. LFCSP Pin Configuration

Table 3. Pin Function Descriptions

Pin No. Mnemonic Function

Pin No. Mnemonic

1

PMD2

Preamp input common—Ch2

33

GND4

2

PIP2

Preamp input—Ch2

34

VOH4

3

VPP2

Positive supply preamp—Ch2

35

VOL4

4

PON2

Preamp output negative—Ch2

36

VPV4

5

POP2

Preamp output positive—Ch2

37

VPV3

6

VIP2

VGA input positive—Ch2

38

VOL3

7

VIN2

VGA input negative—Ch2

39

VOH3

8

COM2

Ground preamp—Ch2

40

GND3

9

COM3

Ground preamp—Ch3

41

GND2

10

VIN3

VGA input negative—Ch3

42

VOH2

11

VIP3

VGA input positive—Ch3

43

VOL2

12

POP3

Preamp output positive—Ch3

44

VPV2

13

PON3

Preamp output negative—Ch3

45

VPV1

14

VPP3

Positive supply preamp—Ch3

46

VOL1

15

PIP3

Preamp input—Ch3

47

VOH1

16

PMD3

Preamp input common—Ch3

48

GND1

17

PMD4

Preamp input common—Ch4

49

HL12

18

PIP4

Preamp input—Ch4

50

SL12

19

VPP4

Positive supply preamp—Ch4

51

SP12

20

PON4

Preamp output negative—Ch4

52

EN12

21

POP4

Preamp output positive—Ch4

53

VCM2

22

VIP4

VGA input positive—Ch4

54

VGN2

23

VIN4

VGA input negative—Ch4

55

VCM1

24

COM4

Ground preamp—Ch4

56

VGN1

25

VGN4

Gain control—Ch4

57

COM1

26

VCM4

Common-mode decoupling pin—Ch4

58

VIN1

27

VGN3

Gain control—Ch3

59

VIP1

28

VCM3

Common-mode decoupling pin—Ch3

60

POP1

29

EN34

Enable—Ch3 and Ch4

61

PON1

30

SP34

Shutdown—preamp3 and preamp4

62

VPP1

31

SL34

Slope decoupling pin—Ch3 and Ch4

63

PIP1

32

HL34

HILO pin—Ch3 and Ch4

64

PMD1

Function

Ground VGA—Ch4

VGA output positive—Ch4

VGA output negative—Ch4

Positive supply VGA—Ch4

Positive supply VGA—Ch3

VGA output negative—Ch3

VGA output positive—Ch3

Ground VGA —Ch3

Ground VGA — Ch2

VGA output positive—Ch2

VGA output negative—Ch2

Positive supply VGA—Ch2

Positive supply VGA—Ch1

VGA output negative—Ch1

VGA output positive—Ch1

Ground VGA — Ch1

HILO pin—Ch1 and Ch2

Slope decoupling pin—Ch1 and Ch2

Shutdown—preamp1 and preamp2

Enable—Ch1 and Ch2

Common-mode decoupling pin—Ch2

Gain control—Ch2

Common-mode decoupling pin—Ch1

Gain control—Ch1

Ground preamp—Ch1

VGA input negative—Ch1

VGA input positive—Ch1

Preamp output positive—Ch1

Preamp output negative—Ch1

Positive supply preamp—Ch1

Preamp input—Ch1

Preamp input common—Ch1

Rev. 0 | Page 6 of 24

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