AD8145

Rev. 0 | 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. 32-Lead LFCSP Pin Configuration

Table 5. 32-Lead LFCSP 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.