AD7843ARQ

AD7843ARQ, QSOP 16PIN, 12-bit successive-approximation ADC, –0.3 V to +7 V

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Price:: US $0.20~0.50 / piece [Get Latest Price]

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PartNumber:: AD7843ARQ

Brand:: Analog Devices - ADI | Pack: QSOP | D/C: 00+

Availability:: Supply Ability: 10000/Week Can Ship Immediately
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Products Upload time: 2012-07-17

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Part Number:AD7843ARQ
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Product Summary

The AD7843ARQ 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.

Parametrics

AD7843ARQ absolute maximum ratings: (1)+VCC to GND:–0.3 V to +7 V; (2)Analog Input Voltage to GND:–0.3 V to VCC + 0.3 V; (3)Digital Input Voltage to GND: –0.3 V to VCC + 0.3 V; (4)Digital Output Voltage to GND :–0.3 V to VCC + 0.3 V; (5)VREF to GND:–0.3 V to VCC + 0.3 V; (6)Input Current to Any Pin Except Supplies:±10 mA; (7)Operating Temperature Range:Commercial: –40°C to +85°C;Storage Temperature Range :–65°C to +150°C;Junction Temperature: 150°C; (8)QSOP, TSSOP Package, Power Dissipation :450 mW; (9)θJA Thermal Impedance: 149.97°C/W (QSOP);150.4°C/W (TSSOP); (10)θJC Thermal Impedance:38.8°C/W (QSOP);27.6°C/W (TSSOP); (11)Lead Temperature, Soldering:Vapor Phase (60 secs) : 215°C;Infrared (15 secs) :220°C.

Features

AD7843ARQ features: (1)4-Wire Touch Screen Interface; (2)Specified Throughput Rate of 125 kSPS; (3)Low Power Consumption:1.37 mW Max at 125 kSPS with VCC=3.6V; (4)Single Supply, VCC of 2.2 V to 5.25 V; (5)Ratiometric Conversion; (6)High-Speed Serial Interface; (7)Programmable 8- or 12-Bit Resolution; (8)Two Auxiliary Analog Inputs; (9)Shutdown Mode: 1A max; (10)16-Lead QSOP and TSSOP Package.