Products > Integrated Circuits (ICs) > Data Conversion ICs > DAC8228FP
  • DAC8228FP

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Dual 8-Bit CMOS D/A Converter with Voltage Output

  • Package/Case :
  • 20-DIP (0.300, 7.62mm)
  • Product Categories :
  • Analog / Digital & Digital / Analog Converter
  • RoHs Status:
  • Lead free / RoHS Compliant
  • In-stock:
  • 3500


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DAC8228FP Product Details

The DAC-8228 is a dual 8-bit, voltage output, CMOS, D/A converter in a single chip.It was designed to drop into AD7528/7628 sockets eliminating two external op amps in applications such as hard diskdrives.These applications generallt operate the AD7528/7628 with zero volts applied to VREF and offset AGND to +2.5 or +5 volts.The DAC-8228 is tested under both these conditions.

The DAC-8228 can also be used in those applications requiring a unipolar output voltage.It can deliver an output voltage between 0V and +10V with VDD=+14V(maximum output voltage is VDD-4V). The DAC-8228's reference input can accept a negative voltage from 0V to-10V(the DAC's internal unity-gain inverting amplifier inverts the input signal). Choose the DAC-8229 for bipolar operation.

The DAC8228FP offers CerDIP and plastic packaged devices in the extended industrial temperature range of -40° to +85°C.Applications requiring the military temperature range should use the DAC-8229.To make the DAC-8229 pin and functionally compatible with the DAC-8228, AGND A and AGND B should be tied together to function as VZ, and VSS connected to GND.

The DAC-8228 consists of two CMOS voltage output amplifiers, two high-accuracy R-2R resistor ladder networks, interface control logic, and two 8-bit registers.An internal regulator maintains TTL logic compatibility and fast microprocessor interface timing over the full VDD range.

The DAC-8228 dissipates only 90mW in the space saving 20-pin 0.3" DIP or the 20-lead SO surface mount package.Its compact size, low power, and economical cost per channel, makes it attractive for applications requiring multiple D/A converters without sacrificing circuit-board space. Reduced parts count also improves system reliability.

Using PMI's advanced oxide-isolated, silicon-gate CMOS process, coupled with its highly-stable thin-film resistor ladder, allows the DAC-8228 to offer superior matching and temperature tracking between DACs.


  • Two 8-Bit Voltage Out DACs in a Single Chip
  • Fits 7528/7628 Sockets
  • Adjustment Free Internal CMOS Ops Amps
  • Single +12V to +15V Operation
  • Improved Resistance to ESD
  • TTL Compatible Over Full VDDrange
  • Fast Interface Timing ........DAC8228...TWR = 50 ns
  • Available in Small Outline Package
  • CerDIP and Epoxy Packages come in the Extended Industrial Temperature Range of -40°C to +85°C

DAC8228FP Block Diagram
(Picture: Diagram)

Technical Parameters

  • Number of Bits
  • 8
  • Number of D/A Converters
  • 2
  • Settling Time
  • 5??s
  • Output Type
  • Voltage - Buffered
  • Differential Output
  • No
  • Data Interface
  • Parallel
  • Reference Type
  • External
  • Voltage Supply, Analog
  • 12V ~ 15V
  • Voltage Supply, Digital
  • 12V ~ 15V
  • ??1 (Max), ??1 (Max)
  • Architecture
  • R-2R
  • Operating Temperature
  • -40??C ~ 85??C
  • Package / Case
  • 20-DIP (0.300, 7.62mm)
  • Supplier Device Package
  • 20-PDIP
  • Mounting Type
  • Through Hole

DAC8228FP Documents

  • DAC8228 Technical Documentation/Data sheet

DAC8228FP Related Products

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We have a professional business development department to strictly test and verify the qualifications of AD original manufacturers and agents. All AD suppliers must pass the qualification review before they can publish their DAC8228FP devices; we pay more attention to the channels and quality of DAC8228FP products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
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You can use Jotrin's intelligent search engine, or filter by Voltage Output D/A Converters ; Single-Supply Voltage Output D/A Converters category, or find it through Analog Devices, Inc Information page.
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Analog Devices, Inc

Analog Devices, Inc. was founded by two MIT graduates, Ray Stata and Matthew Lorber in 1965. The same year, the company released its first product, the model 101 op amp, which was a hockey-puck sized module used in test and measurement equipment. In 1967, the company published the first issue of its...
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