Datasheet
ADG633
Rev. A | Page 7 of 16
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
1
2
3
4
5
6
7
8
S2A
S3B
D3
V
SS
EN
S3A
S2B
GND
16
15
14
13
12
11
10
9
D2
D1
S1B
A1
A2
A0
S1A
V
DD
ADG633
TOP VIEW
(Not to Scale)
03275-002
Figure 2. TSSOP Pin Configuration
NOTES
1. THE EXPOSED PADDLE CAN BE LEFT FLOATING
OR BE TIED TO V
DD
, V
SS
, OR GND.
PIN 1
INDICATOR
1S3B
2
D3
3
S3A
4EN
11 S1B
12 D1
10 S1A
9A0
5
V
SS
6
G
ND
7
A2
8
A1
15
S2B
16
S2A
14
V
DD
13
D2
ADG633
TOP VIEW
(Not to Scale)
03275-003
Figure 3. LFCSP Pin Configuration
Table 5. Pin Function Descriptions
Pin No.
Mnemonic Description TSSOP LFCSP
1 15 S2B Source Terminal of Multiplexer 2. Can be an input or output.
2 16 S2A Source Terminal of Multiplexer 2. Can be an input or output.
3 1 S3B
Source Terminal of Multiplexer 3. Can be an input or output.
4 2 D3
Drain Terminal of Multiplexer 3. Can be an input or output.
5 3 S3A
Source Terminal of Multiplexer 3. Can be an input or output.
6 4
EN
Digital Control Input. Disables all multiplexers when set high.
7 5 V
SS
Most Negative Power Supply Terminal. Tie this pin to GND when using the device with single-supply
voltages.
8 6 GND
Ground (0 V) Reference.
9 7 A2
Digital Control Input.
10 8 A1
Digital Control Input.
11 9 A0
Digital Control Input.
12 10 S1A
Source Terminal of Multiplexer 1. Can be an input or output.
13 11 S1B
Source Terminal of Multiplexer 1. Can be an input or output.
14 12 D1
Drain Terminal of Multiplexer 1. Can be an input or output.
15 13 D2
Drain Terminal of Multiplexer 2. Can be an input or output.
16 14 V
DD
Most Positive Power Supply Terminal.
N/A EP EP Exposed Paddle. The exposed paddle can be left floating or be tied to V
DD
, V
SS
, or GND.
Table 6. ADG633 Truth Table
Switch Condition
A2 A1 A0
EN
Switch S1A-D1
Switch S1B-D1 Switch S2A-D2 Switch S2B-D2 Switch S2A-D3 Switch S3B-D3
X
1
X
1
X
1
1 Off Off Off Off Off Off
0 0 0 0 On Off On Off On Off
0 0 1 0 Off On On Off On
Off
0 1 0 0 On Off Off On On
Off
0 1 1 0 Off On Off On On
Off
1 0 0 0 On Off On Off Off
On
1 0 1 0 Off On On Off Off
On
1 1 0 0 On Off Off On Off
On
1 1 1 0 Off On Off On Off On
1
X = the logic state does not matter; it can be either 0 or 1.