DAC8228 IC Dual 8-Bit, CMOS, Voltage Output, D/A Converter in a Single Chip

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DAC8228

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D/A Converters (DAC) IC

Manufacturer / Brand: AD

Details: Dual 8-Bit, CMOS, Voltage Output, D/A Converter in a Single Chip

Series: DAC8228

Quantity Available: Over 84790 pieces

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Datasheet for DAC8228:

Product Parameters

Manufacturer Part Number : DAC8228
Manufacturer : AD
Description : Dual 8-Bit, CMOS, Voltage Output, D/A Converter in a Single Chip
Series : DAC8228
Reference Price : USD 6.592
Our Price : We have a better price, contact us by email
Product Type : Precision D/A Converters
Function : Voltage Output D/A Converters
Current Suggest : Production
Status : Production
RoHS Status: -
Voltage: -
Feature: -
Package Case: -
Temperature Range: -
Packing: Reel/Tray/Tube
Standard Packing Quantity: -
Country of Origin: -
Other Part Number : DAC8228
Shipping methods : DHL FEDEX UPS TNT
Delivery Time : Ship within 1 day.
Manufacturer Production time : 6-8 weeks (Normally have stocks)
Weight : 0.001KG

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Features and Benefits of DAC8228

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 V_DDrange

Fast Interface Timing
........DAC8228...T_WR = 50 ns
Available in Small Outline Package
CerDIP and Epoxy Packages come in the Extended Industrial Temperature Range of -40°C to +85°C

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 V_REF 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 V_DD=+14V(maximum output voltage is V_DD-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 DAC8228 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 V_Z, and V_SS 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 V_DD 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.

At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.