AD8123

Data Sheet

Rev. B | Page 6 of 16

PIN CONFIGURATION AND FUNCTION DESCRIPTIONS

1

NIC

GND

NIC

NIC

PD

NIC

1

2

3

4

5

6

7

8

9

10

23

24

25

26

27

28

29

30

22

21

TOP VIEW

(Not to Scale)

AD8123

2

NOTES

1. NIC = NO INTERNAL CONNECTION.

2. EXPOSED PADDLE ON THE BOTTOM OF THE PACKAGE

MUST BE CONNECTED TO A PCB PLANE TO ACHIEVE

SPECIFIED THERMAL RESISTANCE.

Figure 4. Pin Configuration

Table 4. Pin Function Descriptions

Pin No.

Mnemonic

Description

1, 10, 20, 21, 30, 40

NIC

No Internal Connection.

2

Positive Input, Comparator 1.

3

Negative Input, Comparator 1.

4

Output, Comparator 1.

5

6

Output, Comparator 2.

7

Negative Input, Comparator 2.

8

Positive Input, Comparator 2.

9

11, 14, 17, 22, 33

Negative Power Supply, Equalizer Sections.

12

Output, Blue Channel.

13, 16, 19, 29, 36

Positive Power Supply, Equalizer Sections.

15

Output, Green Channel.

18

Output, Red Channel.

23

Output Offset Control Voltage.

24, 39

GND

Signal Ground Reference.

25

Broadband Flat Gain Control Voltage.

26

Equalizer High Frequency Boost Control Voltage.

27

Equalizer Pole Location Adjustment Control Voltage.

28

PD

Power Down.

31

Positive Input, Red Channel.

32

Negative Input, Red Channel.

34

Positive Input, Green Channel.

35

Negative Input, Green Channel.

37

Positive Input, Blue Channel.

38

Negative Input, Blue Channel.

EPAD

Exposed Paddle. Exposed paddle on the bottom of the package must be connected to a

PCB plane to achieve specified thermal resistance.