4.5 Ω RON, Triple/Quad SPDT 5 ꢀ,
+12 ꢀ, +5 ꢀ, and +3.3 ꢀ Switches
ADG1633/ADG1634
FUNCTIONAL BLOCK DIAGRAMS
FEATURES
4.5 Ω typical on resistance
1 Ω on-resistance flatness
Up to 206 mA continuous current
3.3 V to 8 V dual-supply operation
3.3 V to 16 V single-supply operation
No VL supply required
ADG1633
S1A
D1
S1B
S3B
D3
S2B
S3A
D2
3 V logic-compatible inputs
Rail-to-rail operation
S2A
ADG1633
LOGIC
16-lead TSSOP and 16-lead, 3 mm × 3 mm LFCSP
ADG1634
IN1 IN2 IN3 EN
20-lead TSSOP and 20-lead, 4 mm × 4 mm LFCSP
SWITCHES SHOWN FOR
A 1 INPUT LOGIC.
APPLICATIONS
Figure 1. ADG1633 TSSOP and LFCSP_VQ
Communication systems
Medical systems
Audio signal routing
ADG1634
S1A
D1
S4A
D4
Video signal routing
Automatic test equipment
Data acquisition systems
Battery-powered systems
Sample-and-hold systems
Relay replacements
S1B
IN1
S4B
IN4
IN2
S2B
D2
IN3
S3B
D3
GENERAL DESCRIPTION
S2A
S3A
The ADG1633 and ADG1634 are monolithic industrial CMOS
(iCMOS®) analog switches comprising three independently
selectable single-pole, double-throw (SPDT) switches and
four independently selectable SPDT switches, respectively.
SWITCHES SHOWN FOR
A 1 INPUT LOGIC.
Figure 2. ADG1634 TSSOP
All channels exhibit break-before-make switching action that
prevents momentary shorting when switching channels. An
ADG1634
EN
input on the ADG1633 (LFCSP and TSSOP packages) and
S1A
D1
S4A
ADG1634 (LFCSP package only) is used to enable or disable
the devices. When disabled, all channels are switched off.
D4
S1B
S4B
The ultralow on resistance and on-resistance flatness of these
switches make them ideal solutions for data acquisition and gain
switching applications, where low distortion is critical. iCMOS
construction ensures ultralow power dissipation, making the parts
ideally suited for portable and battery-powered instruments.
S2B
D2
S3B
D3
S2A
S3A
LOGIC
IN1 IN2 IN3 IN4 EN
SWITCHES SHOWN FOR
A 1 INPUT LOGIC.
Figure 3. ADG1634 LFCSP_VQ
Rev. 0
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