Overview
The DAC08EQ is an 8-bit monolithic digital-to-analog converter (DAC) produced by Analog Devices Inc. This device is part of the DAC08 series, known for its high speed performance, low cost, and outstanding applications flexibility. The DAC08EQ features advanced circuit design that achieves fast settling times and low power consumption, making it suitable for a wide range of applications, including portable and military/aerospace environments.
Key Specifications
| Specification | Value |
|---|---|
| Resolution | 8 bits |
| Settling Time | 150 μs (DAC08EQ), 85 ns (general DAC08 series) |
| Power Supply Range | ±4.5 V to ±18 V |
| Power Consumption | 33 mW at ±5 V supplies |
| Nonlinearity | ±0.1% maximum over temperature range |
| Output Compliance | −10 V to +18 V |
| Logic Interface | Direct interface to TTL, CMOS, ECL, HTL, PMOS |
| Reference Current Range | 20 to 1 |
| Package Types | 16-Lead CerDIP, 16-Lead PDIP, 16-Lead SOIC |
Key Features
- Fast settling output current: 85 ns for the general DAC08 series, though the DAC08EQ has a settling time of 150 μs
- Direct interface to all popular logic families with full noise immunity
- High voltage compliance complementary current outputs, enabling differential operation to effectively double the peak-to-peak output swing
- Low glitch energy and low power consumption
- Monotonic multiplying performance over a wide 20 to 1 reference current range
- Matching to within 1 LSB between reference and full-scale currents, eliminating the need for full-scale trimming in most applications
- Compact size and low power consumption, making it attractive for portable and military/aerospace applications
Applications
- 8-bit, 1 µs A/D converters
- Servo motor and pen drivers
- Waveform generators
- Audio encoders and attenuators
- Analog meter drivers
- Programmable power supplies
- LCD display drivers
- High speed modems
- Other applications where low cost, high speed, and complete input/output versatility are required
Q & A
- What is the resolution of the DAC08EQ?
The DAC08EQ has an 8-bit resolution. - What is the settling time of the DAC08EQ?
The settling time of the DAC08EQ is 150 μs. - What is the power supply range for the DAC08EQ?
The power supply range is ±4.5 V to ±18 V. - How much power does the DAC08EQ consume at ±5 V supplies?
The power consumption is 33 mW at ±5 V supplies. - What is the nonlinearity of the DAC08EQ over the temperature range?
The nonlinearity is ±0.1% maximum over the temperature range. - Can the DAC08EQ interface directly with various logic families?
Yes, it can interface directly with TTL, CMOS, ECL, HTL, PMOS logic families. - What is the output compliance range of the DAC08EQ?
The output compliance range is −10 V to +18 V. - Is the DAC08EQ suitable for military/aerospace applications?
Yes, it is suitable for military/aerospace applications and devices processed to MIL-STD-883, Level B are available. - Can the outputs of the DAC08EQ be directly converted to voltage without an external op amp?
Yes, in many applications, the outputs can be directly converted to voltage without the need for an external op amp. - What are some common applications of the DAC08EQ?
Common applications include servo motor and pen drivers, waveform generators, audio encoders and attenuators, and LCD display drivers.
