Datasheet

Data Sheet ADG904/ADG904-R
Rev. C | Page 5 of 16
PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS
1
2
3
4
5
6
7
8
20
19
18
17
16
15
14
13
V
DD
G
ND
RF1
G
ND
G
ND
RF3
G
ND
A0
A1
GND
RF2
GND
GND
RF4
GND
ADG904
ADG904-R
TOP VIEW
(Not to Scale)
04504-0-002
EN
9
10
12
11
G
ND
RFC
GND
GND
04504-0-003
14
13
12
1
3
4
RF2
15 GND
GND
GND
11
RF4
GND
GND
2
RF1
GND
5
RF3
7
GND
6
GND
8
RFC
9
GND
10
GND
19 V
DD
20
G
ND
18
EN
17
A0
16
A1
NOTES
1. THE EXPOSED PAD IS TIED
TO SUBSTRATE, V
SS
.
A
DG904/ADG904-R
TOP VIEW
(Not to Scale)
Figure 5. 20-Lead TSSOP (RU-20) Figure 6. 20-Lead 4 mm × 4mm LFCSP (CP-20-6)
Table 4. Pin Function Descriptions
Pin No.
20-Lead TSSOP 20-Lead LFCSP Mnemonic Function
1 18
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 19 V
DD
Power Supply Input. These parts can be operated from 1.65 V to 2.75 V.
V
DD
should be decoupled to GND.
3, 5, 6, 8, 9, 11, 12,
13, 15, 16, 18
1, 3, 4, 6, 7, 9, 10,
12, 13, 15, 20
GND Ground Reference Point for All Circuitry on the Part.
4 2 RF1 RF1 Port.
7 5 RF3 RF3 Port.
10 8 RFC Common RF Port for Switch.
14 11 RF4 RF4 Port.
17 14 RF2 RF2 Port.
19 16 A1 Logic Control Input.
20 17 A0 Logic Control Input.
N/A 21 EPAD Exposed Pad. The exposed pad is tied to substrate, V
SS
.