RS2251
CMOS Single 8-Channel
Analog Multiplexer/Demultiplexer
FEATURES
DESCRIPTION
The RS2251 is a CMOS analog IC configured as an
8-channel multiplexer. This CMOS device can
operate from 2.5 V to 5.5 V.
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-3dB Bandwidth: 180MHz
Single Supply Operation +2.5V to +5.5V
Low ON Resistance, 48Ω(TYP) With
5V Supply
The RS2251 device are digitally-controlled analog
switches. It has low on-resistance (48Ω TYP) and
very low off-leakage current (1nA TYP).
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High Off-Isolation: -83dB (RL = 50Ω,
f = 1MHz)
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Break-Before-Make Switching
Binary Address Decoding on Chip
Operating Temperature Range:
-40°C to +125°C
The RS2251 is available in Green SOIC-16, SSOP-
16, TSSOP-16 and QFN-3×3-16L packages. It
operates over an ambient temperature range of -40°C
to +125°C.
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PACKAGES: SOIC-16(SOP16), SSOP-16,
TSSOP-16 and QFN-3×3-16L
Functional Diagrams of RS2251
APPLICATIONS
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Sensors
C
B
A
ENAB LE
X0
X1
X2
X3
X4
X5
X6
X7
CBA
0 0 0
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Analog and Digital Multiplexing and
Demultiplexing
0 0 1
0 1 0
0 1 1
1 0 0
1 0 1
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A/D and D/A Conversion
Signal Gating
Battery-Operated Equipment
Factory Automation
Appliances
X
1 1 0
1 1 1
Communications Circuits
RS2251
REV C.4
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