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Analog Devices Semiconductor Electronic Components Datasheet

ADG751 Datasheet

CMOS/ Low Voltage RF/Video/ SPST Switch

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a
FEATURES
High Off Isolation –75 dB at 100 MHz
–3 dB Signal Bandwidth 300 MHz
+1.8 V to +5.5 V Single Supply
Low On-Resistance (15 )
Fast Switching Times
tON Typically 9 ns
tOFF Typically 3 ns
Typical Power Consumption <0.01 W
TTL/CMOS Compatible
APPLICATIONS
Audio and Video Switching
RF Switching
Networking Applications
Battery Powered Systems
Communication Systems
Relay Replacement
Sample-and-Hold Systems
CMOS, Low Voltage
RF/Video, SPST Switch
ADG751
FUNCTIONAL BLOCK DIAGRAM
ADG751
SD
IN
SWITCH SHOWN FOR A LOGIC "1" INPUT
GENERAL DESCRIPTION
The ADG751 is a low voltage SPST (single pole, single throw)
switch. It is constructed in a T-switch configuration, which
results in excellent Off Isolation while maintaining good fre-
quency response in the ON condition.
High off isolation and wide signal bandwidth make this part
suitable for switching RF and video signals. Low power con-
sumption and operating supply range of +1.8 V to +5.5 V make
it ideal for battery powered, portable instruments.
The ADG751 is designed on a submicron process that provides
low power dissipation yet gives high switching speed and low on
resistance. This part is a fully bidirectional switch and can handle
signals up to and including the supply rails.
The ADG751 is available in 6-lead SOT-23 and 8-lead µSOIC
packages.
PRODUCT HIGHLIGHTS
1. High Off Isolation –75 dB at 100 MHz.
2. –3 dB Signal Bandwidth 300 MHz.
3. Low On-Resistance (15 ).
4. Low Power Consumption, typically <0.01 µW.
5. Tiny 6-lead SOT-23 and 8-lead µSOIC packages.
REV. 0
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
which may result from its use. No license is granted by implication or
otherwise under any patent or patent rights of Analog Devices.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700 World Wide Web Site: http://www.analog.com
Fax: 781/326-8703
© Analog Devices, Inc., 1999


Analog Devices Semiconductor Electronic Components Datasheet

ADG751 Datasheet

CMOS/ Low Voltage RF/Video/ SPST Switch

No Preview Available !

ADG751–SPECIFICATIONS (VDD = +5 V ؎ 10%, GND = 0 V, unless otherwise noted.)
Parameter
B Grade
–40؇C to
+25؇C +85؇C
A Grade
–40؇C to
+25؇C +85؇C
Units Test Conditions/Comments
ANALOG SWITCH
Analog Signal Range
On-Resistance (RON)
On-Resistance Flatness (RFLAT(ON))
28
35
3
LEAKAGE CURRENTS
Source OFF Leakage IS (OFF)
Drain OFF Leakage ID (OFF)
Channel ON Leakage ID, IS (ON)
± 0.01
± 0.25
± 0.01
± 0.25
± 0.01
± 0.25
0 V to VDD
40
5
15
18
2
± 0.01
±3.0 ±0.25
± 0.01
±3.0 ±0.25
± 0.01
±3.0 ±0.25
0 V to VDD
20
3
± 3.0
± 3.0
± 3.0
V
typ
max
typ
max
nA typ
nA max
nA typ
nA max
nA typ
nA max
VS = 0 V to VDD, IDS = 10 mA;
Test Circuit 1
VS = 0 V to 2.5 V, IDS = 10 mA
VDD = 4.5 V
VDD = +5.5 V
VD = 4.5 V/1 V, VS = 1 V/4.5 V;
Test Circuit 2
VD = 4.5 V/1 V, VS = 1 V/4.5 V;
Test Circuit 2
VD = VS = 1 V, or 4.5 V;
Test Circuit 3
DIGITAL INPUTS
Input High Voltage, VINH
Input Low Voltage, VINL
Input Current
IINL or IINH
CIN, Digital Input Capacitance
DYNAMIC CHARACTERISTICS1
tON
tOFF
Charge Injection
0.001
2
9
3
1
Off Isolation
–75
–3 dB Bandwidth
CS (OFF)
CD (OFF)
CD, CS (ON)
POWER REQUIREMENTS
IDD
180
4
4
26
0.001
0.1
2.4
0.8
± 0.5
13
5
0.5
0.001
2
9
3
1
–65
300
4
4
15
0.001
0.1
2.4
0.8
± 0.5
13
5
0.5
V min
V max
µA typ
µA max
pF typ
VIN = VINL or VINH
ns typ
ns max
ns typ
ns max
pC typ
RL = 300 , CL = 35 pF;
VS = 3 V, Test Circuit 4
RL = 300 , CL = 35 pF;
VS = 3 V, Test Circuit 4
VS = 1 V, RS = 0 , CL = 1.0 nF;
Test Circuit 5
dB typ RL = 50 , CL = 5 pF, f = 100 MHz;
Test Circuit 6
MHz typ RL = 50 , CL = 5 pF, Test Circuit 7
pF typ
pF typ
pF typ
VDD = +5.5 V
µA typ Digital Inputs = 0 V or +5.5 V
µA max
NOTES
1Guaranteed by design, not subject to production test.
Specifications subject to change without notice.
–2– REV. 0


Part Number ADG751
Description CMOS/ Low Voltage RF/Video/ SPST Switch
Maker Analog Devices
Total Page 10 Pages
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