Product Descriptions
The DAC-8228 is a dual 8-bit, voltage output, CMOS, D/A converter in a single chip. Itwas designed to drop into AD7528/7628 sockets eliminating two external op amps in applications such as hard disk drives. These applications generally operate the AD7528/7628 with zero volts applied to VREF and offset AGNDto +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 Vo = +14V (maximum output voltage is Vpp -4V). The DAC-8228's reference input can accept a negative voltage from OV to -10V (the DAC's internal unitygain inverting amplifier inverts the input signal). Choose the DAC-8229 for bipolar operation.
Product Features
Two 8-Bit Voltage Out DACs in a Single Chip
Fits 7528/7628 Sockets
Adjustment Free Internal CMOS Op Amps
Single +12V to +15V Operation
TTL Compatible Over Full Vdd Range
Fast Interface Timing...................................Twr=50ns
Improved Resistance to ESD
Available in Small Outline Package
CerDIP and Epoxy Packages Come in the Extended Industrial Temperature Range of -40°C to +85°C
Available in Die Form
Product Applications
Disk Drive Systems
Automatic Test Equipment
Process/Industrial Controls
Energy Controls
Programmable Instrumentation
Multi-Channel Microprocessor-Controlled Systems
Servo Control Systems
Product Specification
| Attribute | Attribute value |
| ANSM-Part# | ANSM-DAC8228FP |
| Category | Integrated Circuits (ICs) |
| Data Acquisition | |
| Digital to Analog Converters (DAC) | |
| Manufacturer | - |
| Series | - |
| Packaging | Tube |
| Part Status | Obsolete |
| Number of Bits | 8 |
| Number of D/A Converters | 2 |
| Settling Time | 5µs |
| Output Type | Voltage - Buffered |
| Differential Output | No |
| Data Interface | Parallel |
| Reference Type | External |
| Voltage - Supply, Analog | 12V ~ 15V |
| Voltage - Supply, Digital | 12V ~ 15V |
| INL/DNL (LSB) | ±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 |
| Base Product Number | DAC8228 |
Product Photos
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