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HI-507A Schematic ( PDF Datasheet ) - Intersil Corporation

Teilenummer HI-507A
Beschreibung 16-Channel/ 8-Channel/ Differential 8-Channel and Differential 4-Channel/ CMOS Analog MUXs with Active Overvoltage Protection
Hersteller Intersil Corporation
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Gesamt 15 Seiten
HI-507A Datasheet, Funktion
Data Sheet
HI-506A, HI-507A, HI-508A, HI-509A
June 1999 File Number 3143.2
16-Channel, 8-Channel, Differential
8-Channel and Differential 4-Channel,
CMOS Analog MUXs with Active
Overvoltage Protection
The HI-506A, HI-507A, HI-508A and HI-509A are analog
multiplexers with active overvoltage protection. 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 70VP-P levels with ±15V supplies. Digital inputs will
also 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 1kof resistance under this condition. These
features make the HI-506A, HI-507A, HI-508A and HI-509A
ideal for use in systems where the analog inputs originate
from external equipment, or separately powered circuitry. All
devices are fabricated with 44V dielectrically isolated CMOS
technology. The HI-506A is a single 16-Channel multiplexer,
the HI-507A is an 8-Channel differential multiplexer, the
HI-508A is a single 8-Channel multiplexer and the HI-509A is
a differential 4-Channel multiplexer. If input overvoltage
protection is not needed the HI-506/507/508/509
multiplexers are recommended. For further information see
Application Notes AN520 and AN521.
Features
• Analog Overvoltage . . . . . . . . . . . . . . . . . . . . . . . . 70VP-P
• No Channel Interaction During Overvoltage
• Maximum Power Supply . . . . . . . . . . . . . . . . . . . . . . . 44V
• Fail Safe with Power Loss (No Latch-Up)
• Break-Before-Make Switching
• Analog Signal Range . . . . . . . . . . . . . . . . . . . . . . . . ±15V
• Access Time. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 500ns
• Power Dissipation . . . . . . . . . . . . . . . . . . . . . . . . . 7.5mW
Applications
• Data Acquisition Systems
• Industrial Controls
• Telemetry
Ordering Information
PART
NUMBER
HI1-0506A-2
TEMP. RANGE
(oC)
-55 to 125
PACKAGE
28 Ld CERDIP
HI1-0506A-5
0 to 75
28 Ld CERDIP
HI1-0506A-8
-55 to 125
28 Ld CERDIP
+ 160 Hour Burn-In
HI3-0506A-5
0 to 75
28 Ld PDIP
HI1-0507A-8
-55 to 125
28 Ld CERDIP
+ 160 Hour Burn-In
HI3-0507A-5
0 to 75
28 Ld PDIP
HI1-0508A-7
0 to 75
16 Ld CERDIP
+ 96 Hour Burn-In
HI1-0508A-8
-55 to 125
16 Ld CERDIP
+ 160 Hour Burn-In
HI3-0508A-5
+0 to 75
16 Ld PDIP
HI1-0509A-2
-55 to 125
16 Ld CERDIP
HI1-0509A-5
0 to 75
16 Ld CERDIP
HI1-0509A-8
-55 to 125
16 Ld CERDIP
+ 160 Hour Burn-In
HI3-0509A-5
0 to 75
16 Ld PDIP
PKG.
NO.
F28.6
F28.6
F28.6
E28.6
F28.6
E28.6
F16.3
F16.3
E16.3
F16.3
F16.3
F16.3
E16.3
1 CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 321-724-7143 | Copyright © Intersil Corporation 1999






HI-507A Datasheet, Funktion
HI-506A, HI-507A, HI-508A, HI-509A
Schematic Diagrams (Continued)
MULTIPLEX SWITCH
FROM DECODE
OVERVOLTAGE PROTECTION
N
V+
P
Q5
R11 D6
1K
D7 D4
D5
IN
N
Q6
N
FROM DECODE
V-
P
OUT
6

6 Page









HI-507A pdf, datenblatt
HI-506A, HI-507A, HI-508A, HI-509A
Test Circuits and Waveforms TA = 25oC, VSUPPLY = ±15V, VAH = 4V, VAL = 0.8V, VREF = Open,
Unless Otherwise Specified (Continued)
VA 50
+4.0V
A3 HI-506A
A2 IN 1
IN 2 THRU
A1 IN 7/IN 15
A0 IN 8/IN 16
EN
GND
OUT
1k
+5V
VOUT
50pF
Similar connection for HI-507A/HI-508A/HI-509A
FIGURE 7A. TEST CIRCUIT
VAH = 4.0V
0V
50%
ADDRESS
DRIVE (VA)
50%
OUTPUT
tOPEN
FIGURE 7B. MEASUREMENT POINTS
VA INPUT
2V/DIV.
S1 ON
S16 ON
OUTPUT
0.5V/DIV.
100ns/DIV.
FIGURE 7C. WAVEFORMS
FIGURE 7. BREAK-BEFORE-MAKE DELAY
12

12 Page





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