ADA4930-1 datasheet(8/25 Pages) AD

No. de pieza	ADA4930-1

Descripción Electrónicos	Ultralow Noise Drivers for Low Voltage ADCs

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Fabricante Electrónico	AD [Analog Devices]

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ADA4930-1/ADA4930-2

Data Sheet

Rev. C | Page 8 of 25

PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS

NOTES

1. EXPOSED PADDLE. THE EXPOSED PAD IS NOT

ELECTRICALLY CONNECTED TO THE DEVICE. IT IS

TYPICALLY SOLDERED TO GROUND OR A POWER

PLANE ON THE PCB THAT IS THERMALLY CONDUCTIVE.

–FB

+IN

–IN

+FB

–OUT

PD

+OUT

VOCM

12

11

10

1

3

4

9

2

ADA4930-1

TOP VIEW

(Not to Scale)

Figure 5. ADA4930-1 Pin Configuration

–IN1

+FB1

+VS1

–FB2

+IN2

–VS2

VOCM1

+OUT1

PD2

–OUT2

NOTES

1. EXPOSED PADDLE. THE EXPOSED PAD IS NOT

ELECTRICALLY CONNECTED TO THE DEVICE. IT IS

TYPICALLY SOLDERED TO GROUND OR A POWER

PLANE ON THE PCB THAT IS THERMALLY CONDUCTIVE.

2

1

3

4

5

6

18

17

16

15

14

13

ADA4930-2

TOP VIEW

(Not to Scale)

Figure 6. ADA4930-2 Pin Configuration

Table 9. ADA4930-1 Pin Function Descriptions

Pin No.

Mnemonic

Description

1

−FB

Negative Output for Feedback

Component Connection.

2

+IN

Positive Input Summing Node.

3

−IN

Negative Input Summing Node.

4

+FB

Positive Output for Feedback

Component Connection.

5 to 8

+VS

Positive Supply Voltage.

9

VOCM

Output Common-Mode Voltage.

10

+OUT

Positive Output for Load Connection.

11

−OUT

Negative Output for Load Connection.

12

PD

Power-Down Pin.

13 to 16

−VS

Negative Supply Voltage.

EPAD

Exposed Paddle. The exposed pad is not

electrically connected to the device. It is

typically soldered to ground or a power

plane on the PCB that is thermally

conductive.

Table 10. ADA4930-2 Pin Function Descriptions

Pin No.

Mnemonic

Description

1

−IN1

Negative Input Summing Node 1.

2

+FB1

Positive Output Feedback Pin 1.

3, 4

+VS1

Positive Supply Voltage 1.

5

−FB2

Negative Output Feedback Pin 2.

6

+IN2

Positive Input Summing Node 2.

7

−IN2

Negative Input Summing Node 2.

8

+FB2

Positive Output Feedback Pin 2.

9, 10

+VS2

Positive Supply Voltage 2.

11

VOCM2

Output Common-Mode Voltage 2.

12

+OUT2

Positive Output 2.

13

−OUT2

Negative Output 2.

14

PD2

Power-Down Pin 2.

15, 16

−VS2

Negative Supply Voltage 2.

17

VOCM1

Output Common-Mode Voltage 1.

18

+OUT1

Positive Output 1.

19

−OUT1

Negative Output 1.

20

PD1

Power-Down Pin 1.

21, 22

−VS1

Negative Supply Voltage 1.

23

−FB1

Negative Output Feedback Pin 1.

24

+IN1

Positive Input Summing Node 1.

EPAD

Exposed Paddle. The exposed pad is

not electrically connected to the

device. It is typically soldered to

ground or a power plane on the PCB

that is thermally conductive.

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