AD6672BCPZ-250 datasheet(11/30 Pages) AD

Part #	AD6672BCPZ-250

Description	IF Receiver

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Data Sheet

AD6672

PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS

24 CSB

23 SCLK

22 SDIO

21 DCO+

20 DCO–

19 D9+/D10+ (MSB)

18 D9–/D10– (MSB)

17 DRVDD

1

2

3

4

5

6

7

8

CLK+

CLK–

AVDD

OR–

OR+

0/D0– (LSB)

0/D0+ (LSB)

DRVDD

AD6672

INTERLEAVED

LVDS

TOP VIEW

(Not to Scale)

NOTES

1. THE EXPOSED THERMAL PADDLE ON THE BOTTOM OF THE

PACKAGE PROVIDES THE ANALOG GROUND FOR THE

PART. THIS EXPOSED PADDLE MUST BE CONNECTED TO

GROUND FOR PROPER OPERATION.

2. DNC = NO NOT CONNECT. DO NOT CONNECT TO THIS PIN.

Figure 3. LFCSP Pin Configuration (Top View)

Table 8. Pin Function Descriptions

Pin No.

Mnemonic

Type

Description

ADC Power Supplies

8, 17

DRVDD

Supply

Digital Output Driver Supply (1.8 V Nominal).

3, 27, 28, 31, 32

AVDD

Supply

Analog Power Supply (1.8 V Nominal).

0

AGND,

Exposed Paddle

Ground

Analog Ground. The exposed thermal paddle on the bottom of the package provides the

analog ground for the part. This exposed paddle must be connected to ground for proper

operation.

25

DNC

Do Not Connect. Do not connect to this pin.

ADC Analog

30

VIN+

Input

Differential Analog Input Pin (+).

29

VIN−

Input

Differential Analog Input Pin (−).

26

VCM

Output

Common-Mode Level Bias Output for Analog Inputs. This pin should be decoupled to

ground using a 0.1 μF capacitor.

1

CLK+

Input

ADC Clock Input—True.

2

CLK−

Input

ADC Clock Input—Complement.

Digital Outputs

5

OR+

Output

Overrange indicator—True.

4

OR−

Output

Overrange indicator—Complement.

7

0/D0+ (LSB)

Output

DDR LVDS Output Data 0—True. The output bit on the rising edge of the data clock output

(DCO) from this output is always a Logic 0 (see Figure 2).

6

0/D0− (LSB)

Output

DDR LVDS Output Data 0—Complement. The output bit on the rising edge of the data clock

output (DCO) from this output is always a Logic 0 (see Figure 2).

10

D1+/D2+

Output

DDR LVDS Output Data 1/2—True.

9

D1−/D2−

Output

DDR LVDS Output Data 1/2—Complement.

12

D3+/D4+

Output

DDR LVDS Output Data 3/4—True.

11

D3−/D4−

Output

DDR LVDS Output Data 3/4—Complement.

14

D5+/D6+

Output

DDR LVDS Output Data 5/6—True.

13

D5−/D6−

Output

DDR LVDS Output Data 5/6—Complement.

16

D7+/D8+

Output

DDR LVDS Output Data 7/8—True.

15

D7−/D8−

Output

DDR LVDS Output Data 7/8—Complement.

19

D9+/D10+ (MSB)

Output

DDR LVDS Output Data 9/10—True.

18

D9−/D10− (MSB)

Output

DDR LVDS Output Data 9/10—Complement.

21

DCO+

Output

LVDS Data Clock Output—True.

20

DCO−

Output

LVDS Data Clock Output—Complement.

SPI Control

23

SCLK

Input

SPI Serial Clock.

22

SDIO

Input/output

SPI Serial Data I/O.

24

CSB

Input

SPI Chip Select (Active Low).

Rev. C | Page 11 of 30

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