Overview
The AD5668BRUZ-2, produced by Analog Devices Inc., is a low-power, octal, 16-bit, buffered voltage-output Digital-to-Analog Converter (DAC). This device operates from a single 2.7 V to 5.5 V supply and is guaranteed monotonic by design. It is available in a 16-lead TSSOP package, making it suitable for a variety of applications requiring precise analog output control.
Key Specifications
| Parameter | Value | Comments |
|---|---|---|
| Resolution | 16 bits | |
| Supply Voltage | 2.7 V to 5.5 V | |
| Output Range | 0 V to 5 V (with 2.5 V reference) | Full-scale output range with internal reference |
| Relative Accuracy | ±8 LSB | |
| Differential Nonlinearity | ±1 LSB | Guaranteed monotonic by design |
| Zero-Code Error | 6 mV to 19 mV | All 0s loaded to DAC register |
| Full-Scale Error | -0.2% to -1% FSR | All 1s loaded to DAC register |
| Power Consumption (Power-Down) | 400 nA at 5 V | |
| Operating Temperature | -40°C to 105°C | |
| Package Type | 16-lead TSSOP |
Key Features
- Octal, 16-bit DAC with on-chip precision output amplifier enabling rail-to-rail output swing.
- Internal 2.5 V reference with 5 ppm/°C temperature coefficient.
- Software-selectable output loads while in power-down mode for any or all DAC channels.
- Power-on reset circuit ensuring DAC output powers up to 0 V or midscale and remains at this level until a valid write takes place.
- Power-down feature reducing current consumption to 400 nA at 5 V.
- LDAC function allowing simultaneous update of all DAC outputs.
- Guaranteed monotonic by design.
Applications
- Industrial control systems requiring precise analog output.
- Aerospace and defense applications where low power and high accuracy are critical.
- Medical devices needing reliable and accurate analog signals.
- Automotive systems, especially those involving sensor calibration and control.
- Test and measurement equipment where precision analog outputs are necessary.
Q & A
- What is the resolution of the AD5668BRUZ-2 DAC?
The AD5668BRUZ-2 has a resolution of 16 bits.
- What is the operating voltage range of the AD5668BRUZ-2?
The device operates from a single 2.7 V to 5.5 V supply.
- What is the full-scale output range of the AD5668BRUZ-2 with the internal reference?
The full-scale output range is 0 V to 5 V with the 2.5 V internal reference.
- How accurate is the AD5668BRUZ-2 in terms of relative accuracy?
The relative accuracy is ±8 LSB.
- What is the differential nonlinearity of the AD5668BRUZ-2?
The differential nonlinearity is ±1 LSB, and it is guaranteed monotonic by design.
- What happens to the DAC output during power-up?
The DAC output powers up to 0 V or midscale and remains at this level until a valid write takes place.
- How does the power-down feature affect the current consumption of the AD5668BRUZ-2?
The power-down feature reduces the current consumption to 400 nA at 5 V.
- Can the outputs of all DACs be updated simultaneously?
- What is the operating temperature range of the AD5668BRUZ-2?
The operating temperature range is -40°C to 105°C.
- In what package type is the AD5668BRUZ-2 available?
The device is available in a 16-lead TSSOP package.
