Datasheet for DAC8248:
- Manufacturer Part Number : DAC8248
- Manufacturer : AD
- Description : Dual 12-Bit (8-Bit Byte) Double-Buffered CMOS D/A Converter
- Series : DAC8248
- Reference Price : USD 21.232
- Our Price : We have a better price, contact us by email
- Product Type : Precision D/A Converters
- Function : Multiplying Current Output D/A Converters
- Current Suggest : Not Recommended for New Designs
- Status : Production
- RoHS Status: -
- Voltage: -
- Feature: -
- Package Case: -
- Temperature Range: -
- Packing: Reel/Tray/Tube
- Standard Packing Quantity: -
- Country of Origin: -
- Other Part Number : DAC8248
- 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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- Two Matched 12-Bit DACs on One Chip
- 12-Bit Resolution wth an 8-Bit Data Bus
- Direct Interface with 8-Bit Microprocessors
- Double-Buffered Digital Inputs
- RESET to Zero Pin
- 12-Bit Endpoint Linearity (±1/2 LSB) Over Temperature
- +5 V to 15 V Single Supply Operation
- Latch-Up Resistant
- Improved ESD Resistance
- Packaged in a Narrow 0.3" 24-Pin
- DIP and 0.3" 24-Pin SOL Package
- Available in Die Form
The DAC-8248 is a dual 12-bit, double-buffered, CMOS digital-to-analog converter. It has an 8-bit wide input data port that interfaces directly with 8-bit microprocessors. It loads a 12-bit word in two bytes using a single control; it can accept either a least significant byte or most significant byte first. For designers with a 12-bit or 16-bit wide data path, choose the DAC-8222 or DAC-8221.
The DAC-8248's double-buffered digital inputs allow both DAC's analog output to be updated simultaneously. This is particularly useful in multiple DAC systems where a common LDAC signal updates all DACs at the same time. A single RESET pin resets both outputs to zero.
The DAC-8248's monolithic construction offers excellent DAC-to-DAC matching and tracking over the full operating temperature range. The DAC consists of two thin-film R-2R resistor ladder networks, two 12-bit, two 8-bit, and two 4-bit data registers, and control logic circuitry. Separate reference input and feedback resistors are provided for each DAC. The DAC8248 operates on a single supply from +5 V to +15 V, and it dissipates less than 0.5 mW at +5 V (using zero or VDD logic levels). The device is packaged in a space-saving 0.3", 24-pin DIP.
The DAC-8248 is manufactured with PMI's highly-stable thin-film resistors on an advanced oxide-isolated, silicon-gate, CMOS technology. PMI's improved latch-up resistant design eliminates the need for external protective Schoottky diodes.
This designates products ADI does not recommend broadly for new designs.