Low Capacitance, Low Charge Injection,
±15 V/+12 V, 4:1 iCMOS Multiplexer
Data Sheet
ADG1204
Rev. C Document Feedback
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FEATURES
1.5 pF off source capacitance
<1 pC charge injection
33 V supply range
120 Ω on resistance
Fully specified at ±15 V, +12 V
No V
L
supply required
3 V logic-compatible inputs
Rail-to-rail operation
14-lead TSSOP and 12-lead LFCSP
Typical power consumption < 0.03 μW
APPLICATIONS
Automatic test equipment
Data acquisition systems
Battery-powered systems
Sample-and-hold systems
Audio signal routing
Video signal routing
Communication systems
FUNCTIONAL BLOCK DIAGRAM
ADG1204
S2
S1
D
S4
S3
ENA1A0
1 OF 4
DECODER
04779-001
Figure 1.
GENERAL DESCRIPTION
The ADG1204 is a complementary metal-oxide semiconductor
(CMOS) analog multiplexer, comprising four single channels
designed on an iCMOS (industrial CMOS) process. iCMOS® is a
modular manufacturing process that combines high voltage CMOS
and bipolar technologies. It enables the development of a wide
range of high performance analog ICs capable of 33 V operation
in a footprint that no previous generation of high voltage devices
has been able to achieve. Unlike analog ICs using conventional
CMOS processes, iCMOS components can tolerate high supply
voltages while providing increased performance, dramatically
lower power consumption, and reduced package size.
The ultralow capacitance and charge injection of this multiplexer
makes it an ideal solution for data acquisition and sample-and-
hold applications, where low glitch and fast settling are required.
Fast switching speed coupled with high signal bandwidth makes
the device suitable for video signal switching. iCMOS construction
ensures ultralow power dissipation, making the device ideally
suited for portable and battery-powered instruments.
The ADG1204 switches one of four inputs to a common output, D,
as determined by the 3-bit binary address lines: A0, A1, and EN.
Logic 0 on the EN pin disables the device. Each switch conducts
equally well in both directions when on and has an input signal
range that extends to the supplies. In the off condition, signal
levels up to the supplies are blocked. All switches exhibit break-
before-make switching action.
PRODUCT HIGHLIGHTS
1. 1.5 pF off capacitance (±15 V supply).
2. <1 pC charge injection.
3. 3 V logic-compatible digital inputs: VIH = 2.0 V, VIL = 0.8
V.
4. No VL logic power supply required.
5. Ultralow power dissipation: <0.03 μW.
6. 14-lead TSSOP and 12-lead, 3 mm × 3 mm LFCSP
packages.
