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AD7394

Features: Micropower: 100 A/DAC0.1 A Typical Power ShutdownSingle-Supply +2.7 V to +5.5 V OperationCompact 1.1 mm Height TSSOP-14 PackageAD7394/12-Bit ResolutionAD7395/10-Bit ResolutionSerial Interface with Schmitt Trigger InputsAPPLICATIONSAutomotive Output Span VoltagePortable CommunicationsDigi...

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SeekIC No. : 004270117 Detail

AD7394: Features: Micropower: 100 A/DAC0.1 A Typical Power ShutdownSingle-Supply +2.7 V to +5.5 V OperationCompact 1.1 mm Height TSSOP-14 PackageAD7394/12-Bit ResolutionAD7395/10-Bit ResolutionSerial Interf...

AD7394 Data Sheet

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Part Number:
AD7394
Supply Ability:
5000

Price Break

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

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Upload time: 2024/11/21

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Product Details

Description



Features:

Micropower: 100 A/DAC
0.1 A Typical Power Shutdown
Single-Supply +2.7 V to +5.5 V Operation
Compact 1.1 mm Height TSSOP-14 Package
AD7394/12-Bit Resolution
AD7395/10-Bit Resolution
Serial Interface with Schmitt Trigger Inputs
APPLICATIONS
Automotive Output Span Voltage
Portable Communications
Digitally Controlled Calibration
PC Peripherals




Pinout

Connection Diagram

AD7394 Diagram




Specifications

VDD to GND . . . . . . . . . . . . . . . . . . . . . .. . . .. . . . . . . . . .0.3 V, +7 V
VREF to GND . . . . . . . . . . . . . . . . . . . . . . . . . .. . . .. . . . . . 0.3 V, VDD
Logic Inputs to GND . . . . . . . . . . . . . . . . . .. . . .. . . . . . .0.3 V, +8 V
VOUT to GND . . . . . . . . . . . . . . . . . . . . .. . . .. . . . 0.3 V, VDD + 0.3 V
IOUT Short Circuit to GND . . . . . . . . . . . . . . .. . . .. . . . . . . . . . 50 mA
Package Power Dissipation . . . . . . . . . . . . . . .. . .. . (TJ max TA)/JA
Thermal Resistance JA
14-Lead Plastic DIP Package (N-14) . . . . . . . . .. . . .. . . ... . 103°C/W
14-Lead SOIC Package (R-14) . . . . . . . . . . . . . . . . . .. . . .. 158°C/W
14-Lead Thin Shrink Surface Mount (RU-14) . . . . . .. . . .. . . 180°C/W
Maximum Junction Temperature (TJ max) . . . . . . . . . .. . . .. . . .150°C
Operating Temperature Range . . . . . . . . . . .. . . . 40 °C to +85 °C
AD7395AR and AD7395AN Only . . . . . . . . . .. . . .40° C to +125° C
Storage Temperature Range . . . . . . . . . . .. . . . . 65 °C to +150°C
Lead Temperature
N-14 (Soldering, 10 sec) . . . . . . . . . . . . . . . . . . . . .. . . .. . . . .+300°C
R-14 (Vapor Phase, 60 sec) . . . . . . . . . . . . . . . . . . .. . . .. . . . .+215 °C
RU-14 (Infrared, 15 sec) . . . . . . . . . . . . . . . . . . . . .. . . .. . . . .+224 °C

Resolution (Bits) 12bit
DAC Update Rate 17kSPS
DAC Settling Time 60s
# DAC Outputs 2
DAC Type Voltage Out
DAC Input Format Ser
Output FSR (Uni Vref)
Ref Int/Ext Ext
Supply Vnom Single(+3),Single(+3.3),Single(+5)
Pwr Diss 1mW
Package DIP,SOIC





Description

The AD7394/AD7395 family of dual, 12-/10-bit, voltage output digital-to-analog converters is designed to operate from a single +3 V supply. Built using a CBCMOS process, this monolithic DAC offers the user low cost and ease of use in single-supply +3 V systems. Operation is guaranteed over the supply voltage range of +2.7 V to +5.5 V making this device ideal for battery operated applications.

The full-scale output voltage of AD7394/AD7395 is determined by the applied exter-nal reference input voltage, VREF. The rail-to-rail VREF input to VOUT outputs allows for a full-scale voltage set equal to the positive supply VDD or any value in between. A doubled-buffered serial data interface offers high speed,microcontroller compatible inputs using serial-data-in (SDI),clock (CLK) and load strobe (LDA + LDB) pins. A chip-select (CS) pin simplifies connection of multiple DAC packages by enabling the clock input when active low. Additionally, an RS input sets the output to zero scale or to 1/2 scale based on the logic level applied to the MSB pin.

The power shutdown pin,SHDN, reduces power dissipation to nanoamp current levels.All digital inputs contain Schmitt-triggered logic levels to mini-mize power dissipation and prevent false triggering on the clock input.Both parts are offered in the same pinout to allow users to select the amount of resolution appropriate for their application with- out circuit card redesign.






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