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AD5312

Features: AD5302: Two 8-Bit Buffered DACs in One PackageAD5312: Two 10-Bit Buffered DACs in One PackageAD5322: Two 12-Bit Buffered DACs in One Package10-Lead mSOIC PackageMicropower Operation: 300 mA @ 5 V (IncludingReference Current)Power-Down to 200 nA @ 5 V, 50 nA @ 3 V+2.5 V to +5.5 V Power Su...

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SeekIC No. : 004269066 Detail

AD5312: Features: AD5302: Two 8-Bit Buffered DACs in One PackageAD5312: Two 10-Bit Buffered DACs in One PackageAD5322: Two 12-Bit Buffered DACs in One Package10-Lead mSOIC PackageMicropower Operation: 300 m...

AD5312 Data Sheet

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Part Number:
AD5312
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:

AD5302: Two 8-Bit Buffered DACs in One Package
AD5312: Two 10-Bit Buffered DACs in One Package
AD5322: Two 12-Bit Buffered DACs in One Package
10-Lead mSOIC PackageMicropower Operation: 300 mA @ 5 V (IncludingReference Current)Power-Down to 200 nA @ 5 V, 50 nA @ 3 V+2.5 V to +5.5 V Power SupplyDouble-Buffered Input LogicGuaranteed Monotonic By Design Over All CodesBuffered/Unbuffered ReferenceInputOptions0VREF Output VoltagePower-On-Reset to Zero VoltsSimultaneous Update of DAC Outputs via LDACLow Power Serial Interface with Schmitt-TriggeredInputsOn-Chip Rail-to-Rail Output Buffer Amplifiers




Pinout

AD5312 Diagram

Connection Diagram




Specifications

Resolution (Bits) 10bit
DAC Update Rate 143kSPS
DAC Settling Time 7s
# DAC Outputs 2
DAC Type Voltage Out
DAC Input Format Ser,SPI
Output FSR (Uni Vref)
Ref Int/Ext Ext
Supply Vnom Single(+2.5),Single(+2.7),Single(+3),Single(+3.3),Single(+5)
Pwr Diss 2.5mW
Package SOIC,SOP


(TA = +25 unless otherwise noted)
VDD to GND . . . . . . . . . . . . . . . . . . . . . . . . . . .. . 0.3 V to +7 V
Digital Input Voltage to GND . . . . . . . . . .0.3 V to VDD + 0.3 V
Reference Input Voltage to GND . . . . . . .0.3 V to VDD + 0.3 V
VOUTA, VOUTB to GND . . . . . . . . . . . . . . 0.3 V to VDD + 0.3 V
Operating Temperature Range
Industrial (B Version) . . . . . . . . . . . . . . . . . .. 40 to +105
Storage Temperature Range . . . . . . . . . . . . . 65 to +150
Junction Temperature (TJ Max) . . . . . . . . . . . . . . . . . .. .+150
10-Lead mSOIC Package
Power Dissipation . . . . . . . . . . . . . . . . . . . . .. .(TJ MaxTA)/qJA
qJA Thermal Impedance . . . . . . . . . . . . . . . . . . . . . . .. .206/W
qJC Thermal Impedance . . . . . . . . . . . . . . . . . . . . . .. .. . 44/W
Lead Temperature, Soldering
Vapor Phase (60 sec) . . . . . . . . . . . . . . . . . . . . . . .+215
Infrared (15 sec) . . . . . . . . . . . . . . . . . . . . . . . . . . .+220




Description

The AD5302/AD5312/AD5322 are dual 8-, 10- and 12-bit bufferedvoltage output DACs in a 10-lead mSOIC package thatoperate from a single +2.5 V to +5.5 V supply consuming230 mA at 3 V. Their on-chip output amplifiers allow the outputsto swing rail-to-rail with a slew rate of 0.7 V/ms.heAD5302/AD5312/AD5322 utilize a versatile 3-wire serial interface whichoperates at clock rates up to 30 MHz and is compatible withstandard SPI™, QSPI™, MICROWIRE™ and DSP interfacestandards.


The references for the two DACs AD5302/AD5312/AD5322 are derived from two referencepins (one per DAC). The reference inputs may be configured asbuffered or unbuffered inputs. The outputs of both DACs maybe updated simultaneously using the asynchronous LDAC input.Theparts incorporate a power-on-reset circuit that ensuresthat the DAC outputs power-up to 0 V and remain there until avalid write takesplace to the device. The parts contain a powerdownfeature that reduces the current consumption of thedevices to 200 nA at 5 V (50 nA at 3 V) and provides softwareselectableoutput loads while in power-down mode.

The low power consumption of these parts AD5302/AD5312/AD5322 in normal operationmake them ideally suited to portable battery operated equipment.The power consumption is 1.5 mW at 5 V, 0.7 mW at3 V, reducing to 1 mW in power-down mode.






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