MC1408 8-bit multiplying D/A converter
The MC1408 is a high-speed, 8-bit multiplying Digital-to-Analog (D/A) converter. It is designed to produce an analog output current that is a linear product of an 8-bit digital word and an analog input reference voltage.
Features
- High-Speed Operation: Achieves a typical settling time of 300 ns.
- Excellent Relative Accuracy: ±0.19% maximum error for 8-bit models (MC1408P8).
- Multiplying Capability: High speed multiplying input slew rate of 4.0 mA/µs.
- Logic Compatibility: Digital inputs are compatible with both MTTL and CMOS.
- Flexible Supply Voltage: Operates with standard supplies of +5.0V and -5.0V to -15V.
- Wide Output Voltage Swing: Can swing from +0.4V to -5.0V.
Specifications
| Characteristic | Value | Unit |
|---|---|---|
| Resolution | 8 | Bits |
| Relative Accuracy | ±0.19 (Max, 8-Bit Model) | % |
| Settling Time | 300 (Typical) | ns |
| VCC Supply Voltage | +4.5 to +5.5 | Vdc |
| VEE Supply Voltage | -4.5 to -16.5 | Vdc |
| Digital Input High (VIH) | 2.0 (Min) | Vdc |
| Digital Input Low (VIL) | 0.8 (Max) | Vdc |
| Full-Scale Output Current | 1.99 (Typical) | mA |
| Operating Temp. Range | 0 to +75 | °C |
| Package Options | 16-Pin Plastic (P Suffix) |
Applications
- High-speed D/A converters
- Multiplying D/A converters
- Analog output current-to-voltage conversion
- Digitally programmed power supplies
- Circuits requiring bipolar or negative voltage outputs
- Applications requiring an extended positive voltage range
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