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EVAL-AD7843EBZ

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Development Boards, Kits, Programmers

EVAL-AD7843EBZ

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Analog Devices

BOARD EVAL FOR AD7843

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DocumentsDatasheet AD7843

Specifications Series Pricing Description Documents

Technical Specifications

Parameters and characteristics for this part

Specification	EVAL-AD7843EBZ

Contents	Board(s)
Data Interface	Serial
Input Range [Max]	5.25 V
Input Range [Min]	0
Number of A/D Converters	1
Number of Bits	12 bits
Power (Typ) @ Conditions	1.4 mW
Supplied Contents	Board(s)
Utilized IC / Part	AD7843

AD7843 Series

Touch Screen Digitizer

Part	Interface	Package / Case	Package / Case	Package / Case	Touchscreen	Operating Temperature [Max]	Operating Temperature [Min]	Voltage - Supply [Max]	Voltage - Supply [Min]	Supplier Device Package	Voltage Reference	Resolution (Bits)	Mounting Type	Package / Case [x]	Package / Case [y]	Input Range [Min]	Input Range [Max]	Number of A/D Converters	Contents	Utilized IC / Part	Power (Typ) @ Conditions	Supplied Contents	Number of Bits	Data Interface
Analog Devices AD7843ARQZ-REEL	Serial	0.154 in	16-SSOP	3.9 mm	4 Wire Resistive	85 °C	-40 °C	5.25 V	2.2 V	16-QSOP	External	12 b	Surface Mount
Analog Devices AD7843ARQZ	Serial	0.154 in	16-SSOP	3.9 mm	4 Wire Resistive	85 °C	-40 °C	5.25 V	2.2 V	16-QSOP	External	12 b	Surface Mount
Analog Devices AD7843ARUZ-REEL7	Serial		16-TSSOP		4 Wire Resistive	85 °C	-40 °C	5.25 V	2.2 V	16-TSSOP	External	12 b	Surface Mount	0.173 in	4.4 mm
Analog Devices EVAL-AD7843EBZ																0	5.25 V	1	Board(s)	AD7843	1.4 mW	Board(s)	12 bits	Serial
Analog Devices AD51/064Z-0REEL	Serial		16-TSSOP		4 Wire Resistive	85 °C	-40 °C	5.25 V	2.2 V	16-TSSOP	External	12 b	Surface Mount	0.173 in	4.4 mm

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

Distributor	Package	Quantity	$

Description

General part information

AD7843 Series

The AD7843 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 V to 5.25 V power supply and features throughput rates greater than 125 kSPS. The external reference applied to the AD7843 can be varied from 1 V to +VCC, while the analog input range is from 0 V to VREF. The device includes a shutdown mode that reduces the current consumption to less than 1 µA. This part is available in a 16-lead 0.15" Quarter Size Outline (QSOP) package and a 16-lead Thin Shrink Small Outline (TSSOP) package.Also see the AD7843 sister part, which is theAD7873. This part is similar to the AD7843 but has added functionality such as an on-chip temperature sensor (-40°C to + 85°C), on-chip 2.5 V reference and direct battery and touch-pressure measurement.