ADG732 Analog Devices, ADG732 Datasheet

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ADG732

Manufacturer Part Number
ADG732
Description
16-/32- Channel/ 3.5 1.8 V to 5.5 V/ 2.5 V/ Analog Multiplexers
Manufacturer
Analog Devices
Datasheet

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FEATURES
1.8 V to 5.5 V Single Supply
±2.5 V Dual Supply Operation
3.5
0.5
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
APPLICATIONS
Optical Applications
Data Acquisition Systems
Communication Systems
Relay replacement
Audio and Video Switching
Battery Powered Systems
Medical Instrumentation
Automatic Test Equipment
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
is used to enable or disable the devices. When disabled, all
channels are switched OFF.
These multiplexers are designed on an enhanced submi-
cron 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
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.
See ADG725/ADG731
Preliminary Technical Data
On Resistance
On Resistance Flatness
PRELIMINARY TECHNICAL DATA
1.8 V to 5.5 V, ±2.5 V, Analog Multiplexers
input
and have an input signal range which extends to the sup-
plies. 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
2. On Resistance of 3.5
3. Guaranteed Break-Before-Make Switching Action.
4. 7mm x 7mm 48 lead LF Chip Scale Package (CSP)
One Technology Way, P .O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
Fax: 781/326-8703
S32
WR
CS
S1
operation. These parts are specified and guaranteed
with +5 V ±10%, +3 V ±10% single supply and
±2.5 V ±10% dual supply rails.
or 48 lead TQFP package.
A0
ADG732
FUNCTIONAL BLOCK DIAGRAMS
A1
DECODER
1 OF 32
A2
A3
16-/32- Channel, 3.5
A4
EN
World Wide Web Site: http://www.analog.com
ADG726/ADG732
D
.
S16A
CSA
S16B
CSB
S1A
S1B
WR
Analog Devices, Inc., 2001
A0
ADG726
A1
DECODER
1 OF 16
A2
A3
EN
DA
DB

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ADG732 Summary of contents

Page 1

... Automatic Test Equipment 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 common output 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 ...

Page 2

... Bandwidth C (OFF (OFF) D ADG726 ADG732 (ON ADG726 ADG732 POWER REQUIREMENTS 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. Specifications subject to change without notice ± 10 Version –40°C ...

Page 3

... MHz typ 13 pF typ 180 pF typ 360 pF typ 200 pF typ 400 pF typ 10 µA typ 20 µA max –3– ADG726/ADG732 Test Conditions/Comments mA Test Circuit ...

Page 4

... Bandwidth C (OFF (OFF) D ADG726 ADG732 (ON ADG726 ADG732 POWER REQUIREMENTS NOTES 1 Temperature range is as follows: B Version: –40°C to +85°C. 2 Guaranteed by design, not subject to production test. Specifications subject to change without notice. 1 Dual Supply B Version –40°C ...

Page 5

... Address, Enable Hold Time ) and timed from a voltage level Figure 1. Timing Diagram . The ADG726 has two –5– ADG726/ADG732 Setup Time Hold Time cycles + V )/ inputs. This enables the part to be used ...

Page 6

... 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 ADG726/ADG732 features 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 ...

Page 7

... Table 2. ADG732 Truth Table ...

Page 8

... PRELIMINARY TECHNICAL DATA ADG726/ADG732 V Most positive power supply potential Most Negative power supply in a dual supply application. In single supply applications, connect to GND Positive supply current Negative supply current Ground (0 V) reference. S Source terminal. May be an input or output. ...

Page 9

... TPC 5. On Resistance as a Function for Different Temperatures Dual Supply TPC 6. Leakage Currents as a function –9– ADG726/ADG732 TPC 7. Leakage Currents as a function TPC 8. Leakage Currents as a function TPC 9 ...

Page 10

... PRELIMINARY TECHNICAL DATA ADG726/ADG732 TPC 10. Leakage Currents as a Function of Temperature TPC 11. Supply Currents vs. Input Switching Frequency TPC 12. Charge Injection vs. Source Voltage TPC 13 Times vs. ON OFF Temperature TPC 14. Off Isolation vs. Frequency TPC 15. Crosstalk vs. Frequency –10– ...

Page 11

... OUT R L 35pF 300 V S32 3V ADDRESS DRIVE ( OUT V OUT 35pF 300 Test Circuit 6. Break Before Make Delay, t –11– ADG726/ADG732 (OFF S32 V D +0.8V EN GND Test Circuit 3. I (OFF) D ...

Page 12

... D V OUT SWITCH 35pF 300 OUTPUT 0V Test Circuit 8. Enable Delay +2.4V LOGIC RS INPUT ( ADG732 OUT C L 1nF V OUT Test Circuit 9. Charge Injection. A4 NETWORK ANALYZER OUT Test Circuit 11. Channel-to-Channel Crosstalk. ...

Page 13

... BSC 0.037 (0.95 SEATING PLANE TOP VIEW (PINS DOWN) 0.006 (0.15 0.002 (0.05) 0° MIN 0° – 7° 0.008 (0.20) 0.011 (0.27) 0.019 (0.5) 0.004 (0.09) BSC 0.006 (0.17) –13– ADG726/ADG732 0.010 (0.25) MIN 48 1 0.207 (5.25) BOTTOM 0.201 (5.10) SQ VIEW 0.195 (4.95 0.217 (5.5) REF ...

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