AD7843ARUZ - ADI

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

AD7843ARUZ
Manufacturer

ADI
ChipWorker Part#

CW345015
Category

Analog to Digital, ADC IC
Package

TSSOP-16
Description

Dual Channel Single Analog to Digital Converter SAR 125KSPS 12Bit Serial 16Pin TSSOP
Documentation

Datasheet

AD7843ARUZ Global Supplier

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AD7843ARUZ Specifications

Attribute	Attribute Value

Part Number	AD7843ARUZ
Manufacturer	ADI
ChipWorker Part#	CW345015
Category	Analog to Digital, ADC IC
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	16 Pin
Case/Package	TSSOP-16
Supply Voltage (DC)	2.20V (min)
Supply Current	240 µA
Number of Circuits	1 Circuit
Number of Channels	4 Channel
Number of Positions	16 Position
Number of Bits	12 Bit
Power Dissipation	1.368 W
Sample Rate	125 KSPS
Resolution (Bits)	12.0 Bit
Input Capacitance	37.0 pF
Number of ADCs	1 ADC
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	-40 ℃
Power Dissipation (Max)	1.368 mW
Number of Input Channels	2 Channel
Supply Voltage	2.2V ~ 5.25V
Supply Voltage (Max)	5.25 V
Supply Voltage (Min)	2.2 V
Input Voltage	2.5 V
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Size-Length	5 mm
Size-Width	4.4 mm
Size-Height	1.05 mm
Operating Temperature	-40℃ ~ 85℃
Product Lifecycle Status	Active
Packaging	Tube
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance	No SVHC
Mil-Spec	No
REACH SVHC Compliance Edition	2013/06/20
ECCN Code	EAR99

Product Description

The AD7843ARUZ is a 12-bit Successive Approximation ADC with a synchronous serial interface and low on resistance switches for driving touch screens. The part operates from a single 2.2 to 5.25V power supply and features throughput rates greater than 125kSPS. The external reference applied to the AD7843 can be varied from 1V to +VCC, while the analog input range is from 0V to VREF. This touch screen digitizer includes a shutdown mode that reduces the current consumption to less than 1µA. It features on-board switches. This, coupled with low power and high speed operation, makes this device ideal.
4-wire Touch screen interface
Ratiometric conversion
High speed serial interface
2 Auxiliary analog inputs
1µA Maximum shutdown mode
Low power consumption
Versatile serial I/O port
Ratiometric conversion mode available eliminating errors due to on board switch resistances

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- Carefully tested and packaged by ChipWorker
- Vacuum packed
- Anti-static packaging
- Anti-vibration foam
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- Decapsulation control
- X-ray inspection
- XRF inspection
- Electrical testing
- Surface testing

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