HS-0548RH, HS-0549RH
TM
Data Sheet
August 2001
File Number
3543.4
Radiation Hardened Single 8/Differential 4
Channel CMOS Analog Multiplexers with
Active Overvoltage Protection
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The HS-0548RH and HS-0549RH are radiation hardened
analog multiplexers with Active Overvoltage Protection and
guaranteed r
ON
matching. Analog input levels may greatly
exceed either power supply without damaging the device or
disturbing the signal path of other channels. Active
protection circuitry assures that signal fidelity is maintained
even under fault conditions that would destroy other
multiplexers. Analog inputs can withstand constant 70V
peak-to-peak levels with
±15V
supplies and digital inputs will
sustain continuous faults up to 4V greater than either supply.
In addition, signal sources are protected from short circuiting
should multiplexer supply loss occur: each input presents
1kΩ of resistance under this condition. These features make
the HS-0548RH and HS-0549RH ideal for use in systems
where the analog inputs originate from external equipment
or separately powered circuitry. Both devices are fabricated
with 44V dielectrically isolated CMOS technology. The
HS-0548 is an 8 channel device and the HS-0549 is a
4 channel differential version. If input overvoltage protection
is not needed, the HS-0508 and HS-509 multiplexers are
recommended.
Specifications for Rad Hard QML devices are controlled
by the Defense Supply Center in Columbus (DSCC). The
SMD numbers listed here must be used when ordering.
Detailed Electrical Specifications for these devices are
contained in SMD 5962-95694. A “hot-link” is provided
on our homepage for downloading.
http://www.intersil.com
Features
• Electrically Screened to SMD # 5962-95694
• QML Qualified per MIL-PRF-38535 Requirements
• Gamma Dose . . . . . . . . . . . . . . . . . . . . . . 1 x 10
4
RAD(Si)
• No Latch-Up
• No Channel Interaction During Overvoltage
• Guaranteed r
ON
Matching
• Maximum Power Supply . . . . . . . . . . . . . . . . . . . . . . 44V
• Break-Before-Make Switching
• Analog Signal Range . . . . . . . . . . . . . . . . . . . . . . . .
±15V
• Access Time. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.0µs
Applications
• Data Acquisition Systems
• Control Systems
• Telemetry
Pinouts
HS-0548RH GDIP1-T16 (CERDIP)
OR CDIP2-T16 (SBDIP)
TOP VIEW
AO 1
ENABLE 2
-V
SUPPLY
3
IN 1 4
IN 2 5
IN 3 6
IN 4 7
16 A1
15 A2
14 GND
13 +V
SUPPLY
12 IN 5
11 IN 6
10 IN 7
9 IN 8
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Ordering Information
ORDERING NUMBER
5962D9569401VEA
5962D9569401VEC
5962D9569402VEA
5962D9569402VEC
INTERNAL
MKT. NUMBER
HS1-0548RH-Q
HS1B-0548RH-Q
HS1-0549RH-Q
HS1B-0549RH-Q
TEMP. RANGE
(
o
C)
-55 to 125
-55 to 125
-55 to 125
-55 to 125
OUT
8
HS-0549RH GDIP1-T16 (CERDIP)
OR CDIP2-T16 (SBDIP)
TOP VIEW
A0 1
ENABLE 2
-V
SUPPLY
3
IN 1A
IN 2A
IN 3A
IN 4A
OUTA
4
5
6
7
8
16 A1
15 GND
14 +V
SUPPLY
13 IN 1B
12 IN 2B
11 IN 3B
10 IN 4B
9 OUT B
1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 321-724-7143
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