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Converters: Digital to Analog (D / A) Circuits
Digital to Analog Circuits:   # - A         B - D         E - G        H - N        O - S        T - Z

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Last Updated on:
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Links to electronic circuits, electronic schematics and designs for engineers, hobbyists, students & inventors:

Technique Increases Low Cost DAC's Resolution -  04/09/98 EDN Design Idea   (Scroll to find this circuit) Cost-sensitive µC applications often employ resistor chains to implement crude DACs. You can extend this method by exploiting the way in which many µCs allow individual output pins to be set to eithe. . .  [by Jeremy Dean, Thomson-Thorn Missile Electronics Ltd, Basingstoke, UK]

 

Testing A/D Converters Automatically -  Scroll to find this circuit. . .  [Analog Devices-Analog Dialogue by Wilhelm, Tim]

 

The 20-Bit DAC Is the Easiest Part of a 1-ppm-Accurate Precision Voltage Source -  Analog Devices-Analog Dialogue. . .  [by Egan, Maurice]

 

The Alexander Current-Feedback Audio Power Amplifier -  AN-211 Analog Devices App Note. . . 

Timing Synchronization for Multiple AD9786 TxDACs -  AN-747 Analog Devices App Note. . . 

 

True 18-Bit DAC in Hybrid Package Has Small Size, Low Cost -  File contains several designs, please scroll to find this circuit. . . .  [Analog Devices-Analog Dialogue by Greenwald, Jeffrey and Sheppard, Bill]

 

Twin DAC's Produce True Bipolar Operation -  08/18/94 EDN Design Idea   The 8-bit multiplying DAC-08 is a versatile device that offers excellent performance at low cost. This DAC produces an output current that is the product of an 8-bit digital number and the input reference current. . . .  [by Ravindranathan, Naval Physical and Oceanographic Laboratory]

 

Two DAC Circuit Adds & Subtracts -  09/01/98 EDN Design Idea   (File has many circuits, scroll down) A typical way to add two binary words and provide an analog output is to use several digital ICs that drive a DAC. The circuit in Figure 1eliminates the use of several digital-IC packages a. . .  [by V Manoharan, Naval Physical and Oceanographic Laboratory, Kochi, India]

 

Two-Chip, Voltage-Controlled Amplifier & Video Switch -  AN-213 Analog Devices App Note. . . 

 

Unipolar, Precision DC Digital-to-Analog Conversion Using the AD5426/AD5432/AD5443 8-Bit to12-Bit DACs  -  This output voltage change is superimposed on the desired change in output between the two codes and gives rise to a differential linearity error that, if large enough, could cause the DAC to be nonmonotonic. In general, the input offset voltage should be a fraction of an LSB to ensure monotonic behavior when stepping through codes. . .  [Analog Devices-Circuits from the Lab]

 

Unipolar, Precision DC Digital-to-Analog Conversion using the AD5450/AD5451/AD5452/AD5453 8-/10-/12-/14-Bit DACs  -  A change in this noise gain between two adjacent digital codes produces a step change in the output voltage due to the amplifier’s input offset voltage. This output voltage change is superimposed on the desired change in output between the two codes and gives rise to a differential linearity error, which, if large enough, may cause the DAC to be nonmonotonic. In general, the input offset voltage should be a fraction of an LSB to ensure monotonic behavior when stepping through codes. , Relative accuracy or endpoint nonlinearity is one of the most widely used techniques in determining the accuracy perform-ance of a DAC circuit. . .  [Analog Devices-Circuits from the Lab]

 

USB Based Temperature Monitor Using the ADuC7061 Precision Analog Microcontroller and an External RTD  -  The ADuC7061 is connected to a 100 Ω RTD. , In the source code, an ADC sampling rate of 100 Hz is chosen. When the ADC input PGA is configured for a gain of 32, the noise free code resolution of the ADuC7061 is greater than 18 bits. , Circuit Function and Benefits, The circuit shown in Figure 1 is powered entirely from the USB interface. ARM7TDMI® core: The powerful 16-/32-bit ARM7 core with integrated 32 kB flash and SRAM memory runs the user code that configures and controls the ADC, processes the ADC conversions from the RTD, and controls the communications over the UART/USB interface. . .  [Analog Devices-Circuits from the Lab]

 

Use a DAC to vary LVDT excitation -  10/02/03  EDN Design Idea   LVDTs (linear variable differential transformers] are electromechanical measuring devices that convert the position of a magnetic core into electrical signals. You generate these signals via excitation on the primary side. The result. . .  [by Anthony Di Tommaso and Ljubisa Milojevic, ABB Inc, Natrona Heights, PA]

 

Using the AD1836 & AD1953 for a 4-In/9-Out Analog System with DSP -  AN-620 Analog Devices App Note. . . 

 

Using the AD7328 8-Channel ADC in Applications with Single-Ended Industrial-Level Signals  -  Using the AD7328 8-Channel ADC in Applications with Single-Ended Industrial-Level Signals. CN0047. CN0047 Bullet text, This circuit is designed to optimize the performance of the AD7328 bipolar input, 8-channel, 12-bit plus sign ADC. The AD7328 can . . .  [Analog Devices-Circuits from the Lab]

 

Using the AD9708/AD9760/AD9701/AD9764-EB Evaluation Board -  AN-420 Analog Devices App Note. . . 

 

Using the AD9709, AD9763, AD9765, AD9767 Dual DAC Evaluation Board -  AN-555 Analog Devices App Note. . . 

 

Variable Gain Control Produces Pure Sine Wave -  10/27/94 EDN Design Idea   The circuit in Fig 1 delivers a pure, buffered, and level-controlled sine wave. With no tuning requirements, the circuit works with all crystals up to about 30 MHz. . . .  [by Barry Harvey, Elantec Corp, Milpitas, CA]

 

Versatile Programmable Amplifiers using Digital Potentiometers with Nonvolatile Memory -  AN-579 Analog Devices App Note. . .  

 

Video Formats & Required Load Terminations -  AN-205 Analog Devices App Note. . . 

 

Video RAM-DACs Offer Unprecedented Resolution, True-Color Screen Images -  Analog Devices-Analog Dialogue. . .  [by Slattery, Bill]

 

Video-Standard Selection Circuit for the AD722 using Low Cost Crystals -  AN-412 Analog Devices App Note. . . 

 

Voltage Adjustment Applications of the DAC-8800 TrimDAC®, an Octal, 8-Bit D/A Converter -  AN-142 Analog Devices App Note. . . 

 

Ways of Using the AD7520 -  10 bit multiplying DAC - Go to page 22 for this app brief. . . .  [Analog Devices-Analog Dialogue by Whitmore, Jerry]

 

Zero-Power A/D Converter Uses Printer Port -  07/06/95 EDN Design Idea   You can use a desktop or laptop PC to monitor physical variables such as temperature or pressure. A convenient way to do this is to connect an A/D converter through the ubiquitous Centronics printer port[. . .  [by Dhananjay Gadre, IUCAA Instrumentation Lab, Pune, India]

 

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