Overview
The DAC8581IPWG4 is a 16-bit, high-speed, low-noise digital-to-analog converter (DAC) from Burr-Brown, now a part of Texas Instruments. This device is designed for high-performance applications requiring precise and fast analog output. The DAC8581IPWG4 features a proprietary resistor string architecture, ensuring exceptional differential linearity and temperature stability. It is particularly suited for applications that demand low noise, fast settling times, and high accuracy.
Key Specifications
| Parameter | Test Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Resolution | 16 | Bits | |||
| Linearity Error | VREF = 4.096 V | ±0.03 | ±0.1 | %FS | |
| Differential Linearity Error | ±0.25 | ±0.5 | LSB | ||
| Gain Error | 1 | 2 | 3 | %FS | |
| Gain Drift | ±5 | ppm/°C | |||
| Bipolar Zero Error | -5 | ±25 | mV | ||
| Bipolar Zero Drift | ±20 | μV/°C | |||
| Total Drift | ±10 | ppm/°C | |||
| Output Voltage Range | -VREF | VREF | V | ||
| Output Impedance | 600 Ω | ||||
| Reference Input Bandwidth | 10 MHz | ||||
| Update Rate | 3 MSPS | ||||
| Power Supply | ±5 V (Analog), 1.8 V - 5.5 V (Digital) | V | |||
| Temperature Range | -40°C | +85°C | °C |
Key Features
- High-Speed Operation: The DAC8581IPWG4 supports update rates up to 3 MSPS and settles within 0.65 μs for large input signals and under 300 ns for small-signal changes.
- Low Noise: Exceptionally low noise performance with 20 nV/√Hz and low glitch area of 0.5 nV-s.
- High Linearity: Excellent differential linearity and temperature stability due to the proprietary resistor string architecture.
- Bipolar Output: Capable of driving a 600-Ω, 200-pF load with a bipolar output swing of ±VREF.
- SPI Interface: Supports industry-standard SPI interface up to 50 MHz.
- Power-On Reset: Resets the output to midscale voltage on power-up.
- External Reference: Requires a single external reference voltage, with internal buffering for improved performance.
Applications
- Industrial Control Systems: Suitable for applications requiring high accuracy and fast response times.
- Medical Devices: Ideal for medical equipment that demands low noise and high precision.
- Aerospace and Defense: Used in various military and aerospace applications due to its robust performance and reliability.
- Test and Measurement Equipment: Utilized in precision measurement instruments and automated test equipment.
- Audio and Video Systems: Can be used in professional audio and video systems where high fidelity and low noise are critical.
Q & A
- What is the resolution of the DAC8581IPWG4?
The DAC8581IPWG4 has a resolution of 16 bits.
- What is the update rate of the DAC8581IPWG4?
The DAC8581IPWG4 supports update rates up to 3 MSPS.
- What is the noise performance of the DAC8581IPWG4?
The DAC8581IPWG4 has exceptionally low noise performance with 20 nV/√Hz.
- What type of output does the DAC8581IPWG4 provide?
The DAC8581IPWG4 provides a bipolar output capable of driving a 600-Ω, 200-pF load.
- What is the temperature range of the DAC8581IPWG4?
The DAC8581IPWG4 is specified to operate over a temperature range of -40°C to +85°C.
- Does the DAC8581IPWG4 require an external reference voltage?
Yes, the DAC8581IPWG4 requires a single external reference voltage.
- What is the settling time of the DAC8581IPWG4 for large input signals?
The DAC8581IPWG4 settles within 0.65 μs for large input signals.
- What interface does the DAC8581IPWG4 use for data transfer?
The DAC8581IPWG4 uses a 3-wire SPI interface up to 50 MHz.
- Does the DAC8581IPWG4 have a power-on reset feature?
Yes, the DAC8581IPWG4 has a power-on reset feature that sets the output to midscale voltage on power-up.
- What is the package type of the DAC8581IPWG4?
The DAC8581IPWG4 is available in a 16-pin TSSOP package.
