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ADG731

Features: ` 3-Wire SPI Serial Interface` 1.8 V to 5.5 V Single Supply` ±2.5 V Dual Supply Operation` 4 On Resistance` 0.5 On Resistance Flatness` 7mm x 7mm 48 lead Chip Scale Package (CSP) or 48 lead TQFP package.` Rail to Rail Operation` Power On Reset` Fast Switching Times` Single 32 to 1 Chan...

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SeekIC No. : 004275172 Detail

ADG731: Features: ` 3-Wire SPI Serial Interface` 1.8 V to 5.5 V Single Supply` ±2.5 V Dual Supply Operation` 4 On Resistance` 0.5 On Resistance Flatness` 7mm x 7mm 48 lead Chip Scale Package (CSP) or 48 l...

ADG731 Data Sheet

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Part Number:
ADG731
Supply Ability:
5000

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  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

` 3-Wire SPI Serial Interface
` 1.8 V to 5.5 V Single Supply
` ±2.5 V Dual Supply Operation
` 4 On Resistance
` 0.5 On Resistance Flatness
` 7mm x 7mm 48 lead Chip Scale Package (CSP) or 48 lead TQFP package.
` Rail to Rail Operation
` Power On Reset
` Fast Switching Times
` Single 32 to 1 Channel Multiplexer
` Dual/Differential 16 to 1 Channel Multiplexer
` TTL/CMOS Compatible Inputs
` For Functionally Equivalent devices with Parallel Interface See ADG726/ADG732




Application

· Optical Applications
· Data Acquisition Systems
· Communication Systems
· Relay replacement
· Audio and Video Switching
· Battery Powered Systems
· Medical Instrumentation
· Automatic Test Equipment




Pinout

Connection Diagram






Specifications

Sw/Mx Function x # (32:1) x 1
Interface Type 3-Wire Serial
Available Packages CSP,QFP
Max Analog Signal Range Vss to Vdd
Ron (Ohms) 4Ohms
Ron Match (Ohms) 0.3Ohms
Cs (OFF) 15pF
Cs, Cd (ON) 350pF
Off Isolation (-dB) 72dB
Bandwidth 18MHz


VDD to VSS ........................................................+7 V
VDD to GND....................................... 0.3 V to +7 V
VSS to GND ........................................+0.3 V to -7 V
Analog Inputs2............. VSS - 0.3 V to VDD +0.3 Vor
30 mA, Whichever Occurs First
Digital Inputs2 .....................-0.3V to VDD +0.3 V or
30 mA, Whichever Occurs First
Peak Current, S or D .....................................60mA
(Pulsed at 1 ms, 10% Duty Cycle max)
Continuous Current, S or........................... D 30mA
Operating Temperature Range
Industrial (B Version) ....................40°C to +85°C
Storage Temperature Range...... 65°C to +150°C
Junction Temperature................................ +150°C
48 lead CSP JA Thermal Impedance...... .TBD°C/W
48 lead TQFP JA Thermal Impedance.... .TBD°C/W
Lead Temperature, Soldering (10seconds). .300°C
IR Reflow, Peak Temperature +220°C

NOTES
1Stresses above those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or any other conditions above those listed in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. Only one absolute maximum rating may be applied at any one time.
2Overvoltages at SCLK, DIN,RS,S or D will be clamped by internal diodes. Current should be limited to the maximum ratings given.




Description

The ADG725/ADG731 are monolithic CMOS 32 channel/dual 16 channel analog multiplexers with a serially controlled 3-wire interface. The ADG732 switches one of thirty-two inputs (S1-S32) to a common

The ADG725/ADG731 are monolithic CMOS 32 channel/dual 16 channel analog multiplexers with a serially controlled 3-wire interface. The ADG732 switches one of thirty-two inputs (S1-S32) to a common output, D. The ADG725 can be configured as a dual mux switching one of sixteen inputs to one output or a differential mux switching one of sixteen inputs to a differential output.

ADG725/ADG731  mulitplexers utilize a 3-wire serial interface that is compatible with SPITM, QSPITM, MICROWIRETM and some DSP interface standards. On power-up, the internal shift register contains all zeros and all switch are in the OFF state.

ADG725/ADG731  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 of ADG725/ADG731 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 CSP or TQFP package.






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