1.8 V to 5.5 V Single Supply
±2.5 V Dual Supply Operation
ΩΩ
3.5
Ω On Resistance
ΩΩ
ΩΩ
0.5
Ω On Resistance Flatness
ΩΩ
Rail to Rail Operation
30ns Switching Times
Single 32 to 1 Channel Multiplexer
Dual/Differential 16 to 1 Channel Multiplexer
TTL/CMOS Compatible Inputs
For Functionally Equivalent devices with Serial Interface
See ADG725/ADG731
APPLICATIONS
Optical Applications
Data Acquisition Systems
Communication Systems
Relay replacement
Audio and Video Switching
Battery Powered Systems
Medical Instrumentation
Automatic Test Equipment
S32
WR
CS
16-/32- Channel, 3.5
ΩΩ
Ω
ΩΩ
ADG726/ADG732
FUNCTIONAL BLOCK DIAGRAMS
ADG732
S1
1 OF 32
DECODER
EN
A2A4
A0
A3
A1
S1A
S16A
D
S1B
S16B
WR
CSA
CSB
ADG726
A1
A0
1 OF 16
DECODER
A2
DA
DB
A3
EN
GENERAL DESCRIPTION
The ADG726/ADG732 are monolithic CMOS 32
channel/dual 16 channel analog multiplexers. The
ADG732 switches one of thirty-two inputs (S1-S32) to a
common output, D, as determined by the 5-bit binary
address lines A0, A1, A2, A3 and A4. The ADG726
switches one of sixteen inputs as determined by the four
bit binary address lines, A0, A1, A2 and A3.
On chip latches facilitate microprocessor interfacing. The
ADG726 device may also be configured for differential
operation by tying CSA and CSB together. An EN input
is used to enable or disable the devices. When disabled, all
channels are switched OFF.
These multiplexers are designed on an enhanced submicron process that provides low power dissipation yet gives
high switching speed, very low on resistance and leakage
currents. They operate from single supply of 1.8V to 5.5V
and ±2.5 V dual supply, making them ideally suited to a
variety of applications. On resistance is in the region of a
few Ohms and is closely matched between switches and
very flat over the full signal range. These parts can operate
equally well as either Multiplexers or De-Multiplexers
and have an input signal range which extends to the supplies. In the OFF condition, signal levels up to the
supplies are blocked. All channels exhibit break before
make switching action preventing momentary shorting
when switching channels.
They are available in either 48 lead LFCSP or TQFP
package.
PRODUCT HIGHLIGHTS
1.+1.8 V to +5.5 V Single or ±2.5 V Dual Supply
operation. These parts are specified and guaranteed
with +5 V ±10%, +3 V ±10% single supply and
±2.5 V ±10% dual supply rails.
2.On Resistance of 3.5 Ω.
3.Guaranteed Break-Before-Make Switching Action.
4.7mm x 7mm 48 lead LF Chip Scale Package (CSP)
or 48 lead TQFP package.
REV. PrD 2001
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: 781/329-4700World Wide Web Site: http://www.analog.com
Fax: 781/326-8703Analog Devices, Inc., 2001
PRELIMINARY TECHNICAL DA T A
1
ADG726/ADG732–SPECIFICATIONS
B Version
–40°C
Parameter+25oCto +85°CUnits Test Conditions/Comments
ANALOG SWITCH
Analog Signal Range 0 V to V
On-Resistance (R
On-Resistance Match Between0.3Ω typV
Channels (∆R
On-Resistance Flatness (R
LEAKAGE CURRENTSV
Source OFF Leakage I
Drain OFF Leakage I
Channel ON Leakage I
DIGITAL INPUTS
Input High Voltage, V
Input Low Voltage, V
Input Current
or I
I
INL
INH
CIN, Digital Input Capacitance5pF typ
DYNAMIC CHARACTERISTICS
t
TRANSITION
Break-Before-Make Time Delay, t
t
(EN, WR)32ns typR
ON
(EN)10ns typR
t
OFF
Charge Injection±5pC typV
Off Isolation-60dB typR
Channel to Channel Crosstalk-60dB typR
-3 dB Bandwidth10MHz typR
(OFF)13pF typf = 1 MHz
C
S
C
(OFF)
D
ADG726180pF typf = 1 MHz
ADG732360pF typf = 1 MHz
, CS (ON)
C
D
ADG726200pF typf = 1 MHz
ADG732400pF typf = 1 MHz
POWER REQUIREMENTSV
I
DD
NOTES
1
Temperature range is as follows: B Version: –40°C to +85°C.
2
Guaranteed by design, not subject to production test.