AD7547 Dual 12-Bit CMOS DAC with Parallel Load Input Structure

The AD7547 is manufactured using the Linear Compatible CMOS (LC²MOS) process. This allows fast digital logic and precision linear circuitry to be fabricated on the same die. APPLICATIONS Automatic Test Equipment Programmable Filters Audio Applications Synchro Applications Process Control

The AD7547 contains two 12-bit current outpput DACs on one monolithic chip. Also on-chip are the level shifters, data registers and control logic for easy microprocessor interfacing. There are 12 data inputs. CSA, CSB, WR control DAC selection and loading. Data is latched into the DAC registers on the rising edge of WR. The device is speed compatible with most microprocessors and accepts TTL, 74HC and 5V CMOS logic level inputs.

The D/A convereters provide 4-quadrant multiplication capabilities with seperate reference inputs and feedback resistors. Monolithic construction ensures that thermal and gain error tracking is excellent. 12-bit monotonicity is guaranteed for both DACs over the full temperature range.

The AD7547 is manufactured using the Linear Compatible CMOS (LC²MOS) process. This allows fast digital logic and precision linear circuitry to be fabricated on the same die.

APPLICATIONS
  • Automatic Test Equipment
  • Programmable Filters
  • Audio Applications
  • Synchro Applications
  • Process Control
Features and Benefits
  • Two 12-bit DACs in One Package
  • DAC Ladder Resistance Matching: 0.5%
  • Space Saving Skinny DIP and Suface Mount Packages
  • 4-Quadrant Multiplication
  • Low Gain Error (1 LSB max Over Temperature)
  • Fast Interface Timing
Digital to Analog Converters
Data Sheets
Documentnote
AD7547: Dual 12-Bit CMOS DAC with Parallel Load Input Structure Data Sheet (Rev. A)PDF 601 kB
AD7547: Military Data Sheet
Application Notes
Documentnote
AN-214: Ground Rules for High Speed CircuitsPDF 356 kB
AN-348: Avoiding Passive-Component PitfallsPDF 931 kB
AN-912: Driving a Center-Tapped Transformer with a Balanced Current-Output DAC (Rev. 0)PDF 246 kB
AN-320A: CMOS Multiplying DACs and Op Amps Combine to Build Programmable Gain Amplifier, Part 1PDF 1295 kB
AN-137: A Digitally Programmable Gain and Attenuation Amplifier DesignPDF 52 kB
AN-206: CMOS Multiplying DAC Based Panning Circuit Provides Almost Constant Output PowerPDF 142 kB
AN-209: 8th Order Programmable Low-Pass Analog Filter Using Dual 12-Bit CMOS Multiplying DACsPDF 401 kB
AN-225: 12-Bit Voltage-Output DACs for Single-Supply 5V and 12V SystemsPDF 237 kB
Order Information
Part NumberPackagePacking QtyTemp RangePrice 100-499Price 1000+RoHS
5962-89657023A ProductionLCC:CER LEADLESS CHIP CARROTH 42-55 to 125C151.27103.27N
AD7547ACHIPS ProductionCHIPS OR DIEREEL 10025C20.8320.83Y
AD7547JNZ Production24 ld PDIPOTH 15-40 to 85C19.1116.06Y
AD7547JPZ ProductionPLCC:PLASTIC LEAD CHIP CAROTH 39-40 to 85C19.4315.54Y
AD7547JPZ-REEL ProductionPLCC:PLASTIC LEAD CHIP CARREEL 750-40 to 85C015.54Y
AD7547JR Production24 ld SOIC - WideOTH 31-40 to 85C18.5515.58N
AD7547JR-REEL Production24 ld SOIC - WideREEL 1000-40 to 85C015.58N
AD7547JRZ Production24 ld SOIC - WideOTH 31-40 to 85C16.8614.16Y
AD7547JRZ-REEL Production24 ld SOIC - WideREEL 1000-40 to 85C014.16Y
AD7547KN Production24 ld PDIPOTH 15-40 to 85C24.6520.67N
AD7547KNZ Production24 ld PDIPOTH 15-40 to 85C22.4118.79Y
AD7547KP ProductionPLCC:PLASTIC LEAD CHIP CAROTH 39-40 to 85C26.2621.08N
AD7547KPZ ProductionPLCC:PLASTIC LEAD CHIP CAROTH 39-40 to 85C23.8719.16Y
AD7547LNZ Production24 ld PDIPOTH 15-40 to 85C30.3225.41Y
AD7547LP ProductionPLCC:PLASTIC LEAD CHIP CAROTH 39-40 to 85C33.7627.46N
AD7547LPZ Last Time BuyPLCC:PLASTIC LEAD CHIP CAROTH 39-40 to 85C29.2323.76Y
AD7547LPZ-REEL ProductionPLCC:PLASTIC LEAD CHIP CARREEL 750-40 to 85C022.63Y
AD7547LRZ Production24 ld SOIC - WideOTH 31-40 to 85C26.7522.42Y
AD7547LRZ-REEL Production24 ld SOIC - WideREEL 1000-40 to 85C022.42Y
Reference Materials
AD7547: Dual 12-Bit CMOS DAC with Parallel Load Input Structure Data Sheet (Rev. A) ad7547
AD7547: Military Data Sheet ad7547
AN-214: Ground Rules for High Speed Circuits ad1674
AN-348: Avoiding Passive-Component Pitfalls ad7813
AN-348: 避开无源元件的陷阱 adg901
AN-912: 用平衡电流输出DAC驱动中心抽头变压器[中文版] (Rev. 0) ad7524
AN-912: Driving a Center-Tapped Transformer with a Balanced Current-Output DAC (Rev. 0) ad7524
AN-320A: CMOS Multiplying DACs and Op Amps Combine to Build Programmable Gain Amplifier, Part 1 ad7524
AN-137: A Digitally Programmable Gain and Attenuation Amplifier Design ad7524
AN-206: CMOS Multiplying DAC Based Panning Circuit Provides Almost Constant Output Power ad7528
AN-209: 8th Order Programmable Low-Pass Analog Filter Using Dual 12-Bit CMOS Multiplying DACs ad7549
AN-225: 12-Bit Voltage-Output DACs for Single-Supply 5V and 12V Systems ad7542
Digital to Analog Converters ICs Solutions Bulletin ad5590