AD8134

Rev. A | Page 6 of 20

PIN CONFIGURATION AND FUNCTION DESCRIPTIONS

AD8134

OPD

1

–IN R

3

+IN R

4

SYNC LEVEL

–IN B

+IN B

18

17

16

15

14

–OUT R

6

–OUT B

13

24

23

22

21

20

19

7

8

9

10

11

12

×2

R

G

B

Figure 4. 24-Lead LFCSP

Table 5. Pin Function Descriptions

Pin No.

Mnemonic

Description

1

OPD

Output Pull Down.

2, 5, 14, 21

Negative Power Supply Voltage.

3

−IN R

Inverting Input, Red Amplifier.

4

+IN R

Noninverting Input, Red Amplifier.

6

−OUT R

Negative Output, Red Amplifier.

7

+OUT R

Positive Output, Red Amplifier.

8, 11, 17, 24

Positive Power Supply Voltage.

9

+OUT G

Positive Output, Green Amplifier.

10

−OUT G

Negative Output, Green Amplifier.

12

+OUT B

Positive Output, Blue Amplifier.

13

−OUT B

Negative Output, Blue Amplifier.

15

+IN B

Noninverting Input, Blue Amplifier.

16

−IN B

Inverting Input, Blue Amplifier.

18

SYNC LEVEL

The voltage applied to this pin controls the amplitude of the sync pulses that are applied to

the common-mode voltages.

19

Horizontal Sync Pulse Input.

20

Vertical Sync Pulse Input.

22

+IN G

Noninverting Input, Green Amplifier.

23

−IN G

Inverting Input, Green Amplifier.

AD8134

+

–

53.6

Ω

53.6

Ω

+

–

0.1

μF ON ALL

1.5k

Ω

TEST

SIGNAL

SOURCE

50

Ω

–5V

50

Ω

750

Ω

750

Ω

MIDSUPPLY

0.1

μF ON ALL

1.5k

Ω

+5V

Figure 5. Basic Test Circuit