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Analog Devices Semiconductor Electronic Components Datasheet

ADG786 Datasheet

2.5ohm/ 1.8V to 5.5V/ +-2.5 V Triple/Quad SPDT Switches in Chip Scale Packages

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a 2.5 , 1.8 V to 5.5 V, ؎2.5 V Triple/Quad
SPDT Switches in Chip Scale Packages
ADG786/ADG788
FEATURES
1.8 V to 5.5 V Single Supply
؎2.5 V Dual Supply
2.5 On Resistance
0.5 On Resistance Flatness
100 pA Leakage Currents
19 ns Switching Times
Triple SPDT: ADG786
Quad SPDT: ADG788
20-Lead 4 mm ؋ 4 mm Chip Scale Packages
Low Power Consumption
TTL/CMOS-Compatible Inputs
For Functionally-Equivalent Devices in 16-Lead TSSOP
Packages, See ADG733/ADG734
APPLICATIONS
Data Acquisition Systems
Communication Systems
Relay Replacement
Audio and Video Switching
Battery-Powered Systems
FUNCTIONAL BLOCK DIAGRAMS
S1B
ADG786
S1A
D1 D1
S1A S3A S1B
D3
S3B IN1
S2A ADG788
D2 IN2
S2B
S2B
LOGIC
D2
S2A
A0 A1 A2 EN
SWITCHES SHOWN FOR A LOGIC “1” INPUT
S4A
D2
S4B
IN4
IN3
S3B
D3
S3A
GENERAL DESCRIPTION
The ADG786 and ADG788 are low voltage, CMOS devices
comprising three independently selectable SPDT (single pole,
double throw) switches and four independently selectable SPDT
switches respectively.
Low power consumption and operating supply range of 1.8 V to
5.5 V and dual ± 2.5 V make the ADG786 and ADG788 ideal
for battery powered, portable instruments and many other
applications. All channels exhibit break-before-make switch-
ing action preventing momentary shorting when switching
channels. An EN input on the ADG786 is used to enable or
disable the device. When disabled, all channels are switched OFF.
These multiplexers are designed on an enhanced submicron
process that provides low power dissipation yet gives high switch-
ing speed, very low on resistance, high signal bandwidths and
low leakage currents. On resistance is in the region of a few
ohms, is closely matched between switches and very flat over
the full signal range. These parts can operate equally well in
either direction and have an input signal range which extends to
the supplies.
The ADG786 and ADG788 are available in small 20-lead
chip scale packages.
PRODUCT HIGHLIGHTS
1. Small 20-Lead 4 mm × 4 mm Chip Scale Packages (CSP).
2. Single/Dual Supply Operation. The ADG786 and ADG788
are fully specified and guaranteed with 3 V ± 10% and
5 V ± 10% single supply rails, and ± 2.5 V ± 10% dual
supply rails.
3. Low On Resistance (2.5 typical).
4. Low Power Consumption (<0.01 µW).
5. Guaranteed Break-Before-Make Switching Action.
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 that
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
www.analog.com
Fax: 781/326-8703
© Analog Devices, Inc., 2001


Analog Devices Semiconductor Electronic Components Datasheet

ADG786 Datasheet

2.5ohm/ 1.8V to 5.5V/ +-2.5 V Triple/Quad SPDT Switches in Chip Scale Packages

No Preview Available !

ADG786/ADG788–SPECIFICATIONS1
(VDD = 5 V ؎ 10%, VSS = 0 V, GND = 0 V, unless otherwise noted.)
Parameter
B Version
–40؇C
+25؇C
to +85؇C
Unit
Test Conditions/Comments
ANALOG SWITCH
Analog Signal Range
On Resistance (RON)
On-Resistance Match between
Channels (RON)
On-Resistance Flatness (RFLAT(ON))
2.5
4.5
0.5
0 V to VDD
5.0
0.1
0.4
1.2
V
typ
max
typ
max
typ
max
VS = 0 V to VDD, IDS = 10 mA;
Test Circuit 1
VS = 0 V to VDD, IDS = 10 mA
VS = 0 V to VDD, IDS = 10 mA
LEAKAGE CURRENTS
Source OFF Leakage IS (OFF)
Channel ON Leakage ID, IS (ON)
± 0.01
± 0.1
± 0.01
± 0.1
± 0.3
± 0.5
nA typ
nA max
nA typ
nA max
VDD = 5.5 V
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 CHARACTERISTICS2
tON
tOFF
ADG786 tON(EN)
tOFF(EN)
Break-Before-Make Time Delay, tD
Charge Injection
Off Isolation
Channel-to-Channel Crosstalk
–3 dB Bandwidth
CS (OFF)
CD, CS (ON)
0.005
4
19
7
20
7
13
±3
–72
–67
160
11
34
2.4
0.8
± 0.1
34
12
40
12
1
V min
V max
µA typ
µA max
pF typ
VIN = VINL or VINH
ns typ
ns max
ns typ
ns max
ns typ
ns max
ns typ
ns max
ns typ
ns min
pC typ
dB typ
dB typ
MHz typ
pF typ
pF typ
RL = 300 , CL = 35 pF;
VS1A = 3 V, VS1B = 0 V, Test Circuit 4
RL = 300 , CL = 35 pF;
VS = 3 V, Test Circuit 4
RL = 300 , CL = 35 pF;
VS = 3 V, Test Circuit 5
RL = 300 , CL = 35 pF;
VS = 3 V, Test Circuit 5
RL = 300 , CL = 35 pF;
VS = 3 V, Test Circuit 6
VS = 2 V, RS = 0 , CL = 1 nF;
Test Circuit 7
RL = 50 , CL = 5 pF, f = 1 MHz;
Test Circuit 8
RL = 50 , CL = 5 pF, f = 1 MHz;
Test Circuit 9
RL = 50 , CL = 5 pF, Test Circuit 10
f = 1 MHz
f = 1 MHz
POWER REQUIREMENTS
IDD
0.001
1.0
µA typ
µA max
VDD = 5.5 V
Digital Inputs = 0 V or 5.5 V
NOTES
1Temperature range is as follows: B Version: –40°C to +85°C.
2Guaranteed by design, not subject to production test.
Specifications subject to change without notice.
–2– REV. 0


Part Number ADG786
Description 2.5ohm/ 1.8V to 5.5V/ +-2.5 V Triple/Quad SPDT Switches in Chip Scale Packages
Maker Analog Devices
Total Page 12 Pages
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