ADG904/ADG904-R

Rev. 0 | Page 5 of 16

PIN CONFIGURATION AND FUNCTION DESCRIPTIONS

1

2

3

4

5

6

7

8

20

19

18

17

16

15

14

13

GND

RF1

GND

GND

RF3

GND

A0

A1

GND

RF2

GND

GND

RF4

GND

ADG904

ADG904-R

TOP VIEW

(Not to Scale)

EN

9

10

12

11

GND

RFC

GND

GND

Figure 5. 20-Lead TSSOP (RU-20)

Table 4. Pin Function Descriptions

Pin No.

Mnemonic

Function

1

EN

Active Low Digital Input. When high, the device is disabled and all switches are off. When low, Ax

logic inputs determine on switches.

2

to GND.

3, 5, 6, 8, 9, 11, 12, 13,

15, 16, 18

GND

Ground Reference Point for All Circuitry on the Part.

4

RF1

RF1 Port.

7

RF3

RF3 Port.

10

RFC

Common RF Port for Switch.

14

RF4

RF4 Port.

17

RF2

RF2 Port.

19

A1

Logic Control Input.

20

A0

Logic Control Input.