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AD5347

Features: AD5346: octal 8-bit DACAD5347: octal 10-bit DACAD5348: octal 12-bit DACLow power operation: 1.4 mA (max) @ 3.6 VPower-down to 120 nA @ 3 V, 400 nA @ 5 VGuaranteed monotonic by design over all codesRail-to-rail output range: 0 V to VREF or 0 V to 2 * VREFPower-on reset to 0 VSimultaneous ...

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SeekIC No. : 004269175 Detail

AD5347: Features: AD5346: octal 8-bit DACAD5347: octal 10-bit DACAD5348: octal 12-bit DACLow power operation: 1.4 mA (max) @ 3.6 VPower-down to 120 nA @ 3 V, 400 nA @ 5 VGuaranteed monotonic by design over ...

AD5347 Data Sheet

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Part Number:
AD5347
Supply Ability:
5000

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

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Product Details

Description



Features:

AD5346: octal 8-bit DAC
AD5347: octal 10-bit DAC
AD5348: octal 12-bit DAC
Low power operation: 1.4 mA (max) @ 3.6 V
Power-down to 120 nA @ 3 V, 400 nA @ 5 V
Guaranteed monotonic by design over all codes
Rail-to-rail output range: 0 V to VREF or 0 V to 2 * VREF
Power-on reset to 0 V
Simultaneous update of DAC outputs via LDAC pin
AsynchronousCLR facility
Readback
Buffered/unbuffered reference inputs
20 nsWR time
38-lead TSSOP/6 mm * 6 mm 40-lead LFCSP packaging
Temperature range: 40°C to +105°C




Application

Portable battery-powered instruments
Digital gain and offset adjustment
Programmable voltage and current sources
Optical networking
Automatic test equipment
Mobile communications
Programmable attenuators
Industrial process control




Pinout

Connection Diagram



AD5347 Diagram




Specifications

VDD to GND 0.3 V to +7 V
Digital Input Voltage to GND 0.3 V to VDD + 0.3 V
Digital Output Voltage to GND 0.3 V to VDD + 0.3 V
Reference Input Voltage to GND 0.3 V to VDD + 0.3 V
VOUT to GND0.3 V to VDD + 0.3 V
Operating Temperature Range
Industrial (B Version) 40°C to +105°C
Storage Temperature Range 65°C to +150°C
Junction Temperature150°C
38-Lead TSSOP Package
Power Dissipation (TJ max − TA)/ JA mW
JA Thermal Impedance 98.3°C/W
JC Thermal Impedance 8.9°C/W
40-Lead LFCSP Package
Power Dissipation (TJ max − TA)/ JA mW
JA Thermal Impedance (3-layerboard) 29.6°C/W
Lead Temperature, Soldering (10 sec) 300°C
IR Reflow, Peak Temperature 220 °C

Resolution (Bits) 10bit
DAC Update Rate 143kSPS
DAC Settling Time 7s
# DAC Outputs 8
DAC Type Voltage Out
DAC Input Format Par
Output FSR (Uni 2Vref),(Uni Vref)
Ref Int/Ext Ext
Supply Vnom Single(+2.7),Single(+3),Single(+3.3),Single(+5)
Pwr Diss 8.3mW
Package CSP,SOP





Description

The AD5346/AD5347/AD53481 are octal 8-, 10-, and 12-bit DACs, operating from a 2.5 V to 5.5 V supply. These devices incorporate an on-chip output buffer that can drive the output to both supply rails, and also allow a choice of buffered or unbuffered reference input.

The AD5346/AD5347/AD5348 have a parallel interface.CS selects the device and data is loaded into the input registers on the rising edge of WR. A readback feature allows the internal DAC registers to be read back through the digital port. The GAIN pin on these devices allows the output range to be set at 0 V to VREF or 0 V to 2 × VREF.

Input data to the DACs is double-buffered, allowing simultaneous update of multiple DACs in a system using theLDAC pin.

An asynchronousCLR input is also provided, which resets the contents of the input register and the DAC register to all zeros. These devices also incorporate a power-on reset circuit that ensures that the DAC output powers on to 0 V and remains there until valid data is written to the device.

All three parts are pin compatible, which allows users to select the amount of resolution appropriate for their application without redesigning their circuit board.






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