ADD8708WCPZ-REEL7 데이터 시트보기 (PDF) - Analog Devices

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ADD8708WCPZ-REEL7

18-Channel Gamma Buffer with Regulator

Analog Devices 

PIN CONFIGURATION AND FUNCTION DESCRIPTIONS

ADD8708

48 47 46 45 44 43 42 41 40 39 38 37

REGFB 1

GND 2

VDD 3

VREG OUT 4

VIN18 5

VIN17 6

VIN16 7

VIN15 8

VIN14 9

VIN13 10

VIN12 11

VIN11 12

ADD8708

TOP VIEW

(Not to Scale)

36 VOUT10

35 VOUT9

34 VOUT8

33 VOUT7

32 VDD

31 GND

30 VOUT6

29 VOUT5

28 VOUT4

27 VOUT3

26 VOUT2

25 VOUT1

13 14 15 16 17 18 19 20 21 22 23 24

Figure 2. Pin Configuration

Table 4. Pin Function Descriptions

Pin No. Name

Description

1

REGFB

Regulator Feedback. Compares a percentage of the regulator output to the internal 1.2 V voltage

reference. Internal resistors are used to program the desired regulator output voltage.

2

GND

Ground. Normally 0 V.

3

VDD

Supply Voltage. Normally 16 V.

4

VREG OUT

Regulator output voltage. Provides reference voltage to resistor string and is internally connected to

the top of the resistor string.

5

VIN18

6

VIN17

7

VIN16

8

VIN15

9

VIN14

10

VIN13

11

VIN12

12

VIN11

13

VIN10

14

VIN9

Buffer inputs. Normally floating.1

15

VIN8

16

VIN7

17

VIN6

18

VIN5

19

VIN4

20

VIN3

21

VIN2

22

VIN1

23

GND

Ground. Normally 0 V.

24

VDD

Supply Voltage. Normally 16 V.

1 External resistors can be added to modify the internal resistor string to change the gamma voltage. An external resistor calculator is available upon request from your

local sales office.

Rev. 0 | Page 5 of 16

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