AD8145

Rev. A | Page 8 of 24

PIN CONFIGURATION AND FUNCTION DESCRIPTION

PIN 1

INDICATOR

1

GND

2

REF_G

3

GAIN_G

4

IN+_G

5

IN–_G

6

REF_R

7

GAIN_R

8

GND

24 GND

23 OUT_B

22 OUT_G

21 OUT_R

19 COMPB_IN+

18 COMPB_IN–

17 GND

AD8145

TOP VIEW

(Not to Scale)

NOTES

1. EXPOSED PAD ON UNDERSIDE OF DEVICE

MUST BE CONNECTED TO GROUND.

Figure 3. Pin Configuration

Table 5. Pin Function Descriptions

Pin No.

Mnemonic

Description

1, 8, 9, 16, 17, 24, 25, 32

GND

Signal Ground and Thermal Plane Connection. (See the Absolute Maximum Ratings section.)

2

REF_G

Reference Input, Green Channel.

3

GAIN_G

Gain Connection, Green Channel.

4

IN+_G

Noninverting Input, Green Channel.

5

IN−_G

Inverting Input, Green Channel.

6

REF_R

Reference Input, Red Channel.

7

GAIN_R

Gain Connection, Red Channel.

10

IN+_R

Noninverting Input, Red Channel.

11

IN−_R

Inverting Input, Red Channel.

12

COMPA_IN+

Positive Input, Comparator A.

13

COMPA_IN−

Negative Input, Comparator A.

14

COMPA_OUT

Output, Comparator A.

15

COMPB_OUT

Output, Comparator B.

18

COMPB_IN−

Negative Input, Comparator B.

19

COMPB_IN+

Positive Input, Comparator B.

20

Positive Power Supply.

21

OUT_R

Output, Red Channel.

22

OUT_G

Output, Green Channel.

23

OUT_B

Output, Blue Channel.

26

Negative Power Supply.

27

DIS/PD

Disable/Power Down.

28

REF_B

Reference Input, Blue Channel.

29

GAIN_B

Gain Connection, Blue Channel.

30

IN+_B

Noninverting Input, Blue Channel.

31

IN−_B

Inverting Input, Blue Channel.

Exposed Underside Pad

GND

Signal Ground and Thermal Plane Connection.