4 Ω RON, 4-/8-Channel
± ±1 ꢀ/ꢁ±ꢂ ꢀ/± 1 ꢀ iCMOS Multiplexers
ADG±408/ADG±409
FUNCTIONAL BLOCK DIAGRAM
FEATURES
4.7 Ω maximum on resistance @ 25°C
0.5 Ω on resistance flatness
Up to 190 mA continuous current
Fully specified at 15 V/+12 V/ 5 V
3 V logic-compatible inputs
ADG1408
ADG1409
S1
S1A
S4A
DA
DB
D
Rail-to-rail operation
Break-before-make switching action
16-lead TSSOP and 4 mm × 4 mm LFCSP packages
S1B
S4B
S8
APPLICATIONS
1-OF-8
DECODER
1-OF-4
DECODER
Relay replacement
Audio and video routing
Automatic test equipment
Data acquisition systems
Temperature measurement systems
Avionics
A0 A1 A2 EN
A0 A1 EN
Figure 1.
Battery-powered systems
Communication systems
Medical equipment
GENERAL DESCRIPTION
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.
The ADG1408/ADG1409 are monolithic iCMOS® analog multip-
lexers comprising eight single channels and four differential
channels, respectively. The ADG1408 switches one of eight
inputs to a common output, as determined by the 3-bit binary
address lines, A0, A1, and A2. The ADG1409 switches one of
four differential inputs to a common differential output, as
determined by the 2-bit binary address lines, A0 and A1. An EN
input on both devices is used to enable or disable the device.
When disabled, all channels are switched off.
PRODUCT HIGHLIGHTS
1. 4 Ω on resistance.
2. 0.5 Ω on resistance flatness.
The iCMOS (industrial CMOS) modular manufacturing process
combines high voltage CMOS (complementary metal-oxide
semiconductor) and bipolar technologies. It enables the devel-
opment of a wide range of high performance analog ICs capable
of 33 V operation in a footprint that no other generation of high
voltage parts 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.
3. 3 V logic compatible digital input, VIH = 2.0 V, VIL = 0.8 V.
4. 16-lead TSSOP and 4 mm × 4 mm LFCSP packages.
Table 1. Related Devices
Part No.
Description
ADG1208/ADG1209
Low capacitance, low charge injection,
and low leakage 4-/8-channel 15 V
multiplexers
Rev. B
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