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Analog Devices Semiconductor Electronic Components Datasheet

AD7502 Datasheet

CMOS 4/8 Channel Analog Multiplexers

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a
FEATURES
DTL/TTL/CMOS Direct Interface
Power Dissipation: 30 W
RON: 170
Standard 16-Lead DlPs and 20-Terminal Surface
Mount Packages
CMOS
4-/8-Channel Analog Multiplexers
AD7501/AD7502/AD7503
FUNCTIONAL BLOCK DIAGRAM
AD7501/AD7503
GENERAL DESCRIPTION
The AD7501 and AD7503 are monolithic CMOS, 8-channel
analog multiplexers which switch one of eight inputs to a
common output, depending on the state of three binary address
lines and an “enable” input. The AD7503 is identical to the
AD7501 except its “enable” logic is inverted. All digital inputs
are TTL/DTL and CMOS logic compatible.
The AD7502 is a monolithic CMOS dual 4-channel analog
multiplexer. Depending on the state of two binary address
inputs and an “enable,” it switches two output buses to two
of eight inputs.
Truth Tables
AD7501
A2 A1 A0 EN “ON”
0 0 0 11
0 0 1 12
0 1 0 13
0 1 1 14
1 0 0 15
1 0 1 16
1 1 0 17
1 1 1 18
X X X 0 None
AD7503
A2 A1 A0 EN “ON” Al
0 0 0 0 10
0 0 1 0 20
0 1 0 0 31
0 1 1 0 41
1 0 0 0 5X
1 0 1 06
1 1 0 07
1 1 1 08
X X X 1 None
AD7502
AD7502
A0 EN
01
11
01
11
X0
“ON”
1&5
2&6
3&7
4&8
None
REV. B
Information furnished by Analog Devices is believed to be accurate and
reliable. However, no responsibility is assumed by Analog Devices for its
use, nor for any infringements of patents or other rights of third parties that
may result from its use. No license is granted by implication or otherwise
under any patent or patent rights of Analog Devices. Trademarks and
registered trademarks are the property of their respective companies.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
www.analog.com
Fax: 781/326-8703 © 2003 Analog Devices, Inc. All rights reserved.


Analog Devices Semiconductor Electronic Components Datasheet

AD7502 Datasheet

CMOS 4/8 Channel Analog Multiplexers

No Preview Available !

AD7501/AD7502/AD7503–SPECIFICATIONS (VDD = +15 V, VSS = –15 V unless otherwise noted.)
Parameter
Switch
Version1 Condition
@ +25°C
AD7501, AD7503
AD7502
Over Specified
Temperature Range
AD7501,
AD7503
AD7502
Test Conditions
ANALOG SWITCH
RON
RON vs. VS
RON vs. Temperature
RON Between Switches
RON vs. Temperature Between
Switches
IS
IOUT
All
All
All
All
All
K
S
K
S
|IOUT – IS|
K
S
ON
ON
ON
ON
ON
OFF
OFF
OFF
OFF
ON
ON
170 typ, 300 max
20% typ
0.5%/°C typ
4% typ
170 typ, 300 max
20% typ
0.5%/°C typ
4% typ
–10 V VS +10 V
IS = 1.0 mA
VS = 0 V, IS = 1.0 mA
± 0.01%/°C
0.2 nA typ, 2 nA max
0.5 nA max
1 nA typ, 10 nA max
5 nA max
12 nA max
5.5 nA max
± 0.01%/°C
0.2 nA typ, 2 nA max
0.5 nA max
0.6 nA typ, 5 nA max
50 nA max
50 nA max
250 nA max
3 nA max
250 nA max
7 nA max
3.5 nA max
300 nA max
300 nA max
50 nA max
50 nA max
125 nA max
125 nA max
175 nA max
175 nA max
VS = –10 V, VOUT = +10 V and
VS = +10 V, VOUT = –10 V
VS = –10 V, VOUT = +10 V and
VS = +10 V, VOUT = –10 V
AD7501/02: Enable LOW
AD7503: Enable HIGH
VS = 0
DIGITAL CONTROL
VINL
VINH
IINL or IINH
CIN
All
All
All
All
10 nA typ
3 pF typ
10 nA typ
3 pF typ
DYNAMIC CHARACTERISTICS
tON
tOFF
CS
COUT
CSOUT
CSS Between Any Two Switches
All
All
All
All
All
All
OFF
OFF
OFF
OFF
0.8 µs typ
0.8 µs typ
5 pF typ
30 pF typ
0.5 pF typ
0.5 pF typ
0.8 µs typ
0.8 µs typ
5 pF typ
15 pF typ
0.5 pF typ
0.5 pF typ
POWER SUPPLY
IDD
ISS
IDD
ISS
All
All
All
All
500 µA max
500 µA max
800 µA max
800 µA max
500 µA max
500 µA max
800 µA max
800 µA max
NOTES
1KN version specified for 0°C to +70°C, KQ version for –25°C to +85°C; and SQ, SE versions for –55°C to +125°C.
Specifications subject to change without notice.
0.8 V max
2.4 V min
0.8 V max
2.4 V min
VIN = 0 to +5.0 V
(See Test Circuit 2)
500 µA max
500 µA max
800 µA max
800 µA max
500 µA max
500 µA max
800 µA max
800 µA max
All Digital Inputs Low
All Digital Inputs High
ABSOLUTE MAXIMUM RATINGS
(TA = +25°C unless otherwise noted)
VDD to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +17 V
VSS to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –17 V
V Between Any Switch Terminals1 . . . . . . . . . . . . . . . . . 25 V
Digital Input Voltage Range . . . . . . . . . . . . . . . VDD to GND
Overvoltage at VOUT (VS) . . . . . . . . . . . . . . . . . . . . . . VSS, VDD
Switch Current (IS, Continuous One Channel) . . . . . . .35 mA
Switch Current (IS, Surge One Channel)
1 ms Duration, 10% Duty Cycle . . . . . . . . . . . . . . . 50 mA
Power Dissipation (Any Package)
Up to +75°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 450 mW
Derates above +75°C by . . . . . . . . . . . . . . . . . . . 6 mW/°C
Operating Temperature
Commercial (KN Version) . . . . . . . . . . . . . . . 0°C to +70°C
Industrial (KQ Version) . . . . . . . . . . . . . . . –25°C to +85°C
Extended (SQ, SE Versions) . . . . . . . . . . –55°C to +125°C
Storage Temperature . . . . . . . . . . . . . . . . . . –65°C to +150°C
Lead Temperature (Soldering, 10 sec) . . . . . . . . . . . . +300°C
CAUTION
1Do not apply voltages higher than VDD and VSS to any other terminal, especially
when VSS = VDD = 0 V all other pins should be at 0 V.
2The digital control inputs are diode protected; however, permanent damage may
occur on unconnected units under high energy electrostatic fields. Keep unused
units in conductive foam at all times.
CAUTION
ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily
accumulate on the human body and test equipment and can discharge without detection. Although the
AD7501, AD7502, and AD7503 feature proprietary ESD protection circuitry, permanent damage
may occur on devices subjected to high energy electrostatic discharges. Therefore, proper ESD
precautions are recommended to avoid performance degradation or loss of functionality.
–2– REV. B


Part Number AD7502
Description CMOS 4/8 Channel Analog Multiplexers
Maker Analog Devices
Total Page 4 Pages
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