AD6643 datasheet(12/36 Pages) AD

Part #	AD6643

Description	Dual IF Receiver 1.8 V supply voltages Internal ADC voltage reference

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AD6643

Rev. 0 | Page 12 of 36

Pin No.

Mnemonic

Type

Description

27

D4+

Output

Channel A/Channel B LVDS Output Data 4—True.

26

D4−

Output

Channel A/Channel B LVDS Output Data 4—Complement.

30

D5+

Output

Channel A/Channel B LVDS Output Data 5—True.

29

D5−

Output

Channel A/Channel B LVDS Output Data 5—Complement.

32

D6+

Output

Channel A/Channel B LVDS Output Data 6—True.

31

D6−

Output

Channel A/Channel B LVDS Output Data 6—Complement.

34

D7+

Output

Channel A/Channel B LVDS Output Data 7—True.

33

D7−

Output

Channel A/Channel B LVDS Output Data 7—Complement.

36

D8+

Output

Channel A/Channel B LVDS Output Data 8—True.

35

D8−

Output

Channel A/Channel B LVDS Output Data 8—Complement.

39

D9+

Output

Channel A/Channel B LVDS Output Data 9—True.

38

D9−

Output

Channel A/Channel B LVDS Output Data 9—Complement.

41

D10+ (MSB)

Output

Channel A/Channel B LVDS Output Data 10—True.

40

D10− (MSB)

Output

Channel A/Channel B LVDS Output Data 10—Complement.

43

OR+

Output

Channel A/Channel B LVDS Overrange—True.

42

OR−

Output

Channel A/Channel B LVDS Overrange—Complement.

25

DCO+

Output

Channel A/Channel B LVDS Data Clock Output—True.

24

DCO−

Output

Channel A/Channel B LVDS Data Clock Output—Complement.

SPI Control

45

SCLK

Input

SPI Serial Clock. The serial shift clock input, which is used to synchronize

serial interface reads and writes.

44

SDIO

Input/Output

SPI Serial Data I/O. A dual purpose pin that typically serves as an input or

an output, depending on the instruction being sent and the relative

position in the timing frame.

46

CSB

Input

Chip Select Bar (Active Low). CSB gates the read and write cycles.

Output Enable and Power-Down

47

OEB

Input/Output

Output Enable Input (Active Low).

48

PDWN

Input/Output

Power-Down Input (Active High). The operation of this pin depends on

the SPI mode and can be configured as power-down or standby (see

Table 14).

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