Overview
The DAC8822QBDBTR, produced by Texas Instruments, is a 16-bit dual, parallel interface, high-accuracy multiplying digital-to-analog converter (DAC). This device is designed to operate from a single supply voltage ranging from 2.7V to 5.5V, making it versatile for various applications. The DAC8822 features low noise, low power operation, and high accuracy, with specifications such as ±0.5LSB differential nonlinearity (DNL) and ±1LSB integral nonlinearity (INL). It is packaged in a space-saving TSSOP-38 package with an industry-standard pin configuration, ensuring ease of integration into existing designs.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Resolution | 16 Bits | |
| Differential Nonlinearity (DNL) | ±0.5 LSB | |
| Integral Nonlinearity (INL) | ±1 LSB | |
| Noise | 12 nV/√Hz | |
| Power Consumption per Channel | 1 µA at 2.7V | |
| Full-Scale Current | 2 mA with VREF = 10V | |
| Settling Time | 0.5 µs | |
| Reference Bandwidth | 10 MHz | |
| Reference Input | ±18 V | |
| Reference Dynamics | -105 dB THD | |
| Analog Power Supply | +2.7V to +5.5V | |
| Package | TSSOP-38 | |
| Temperature Range | -40°C to +125°C |
Key Features
- High accuracy with ±0.5LSB DNL and ±1LSB INL
- Low noise: 12 nV/√Hz
- Low power operation: 1 µA per channel at 2.7V
- Full-scale current of 2 mA with VREF = 10V
- Fast settling time of 0.5 µs
- 4-quadrant multiplying reference inputs
- Reference bandwidth of 10 MHz and reference input range of ±18 V
- Reference dynamics of -105 dB THD
- Midscale or zero scale reset capability
- Industry-standard pin configuration and pin-compatible with the 14-bit DAC8805
- Parallel interface for high-speed communications
Applications
- Automatic Test Equipment
- Instrumentation
- Digitally Controlled Calibration
- Industrial Control PLCs
Q & A
- What is the resolution of the DAC8822?
The DAC8822 has a resolution of 16 bits.
- What is the differential nonlinearity (DNL) of the DAC8822?
The DNL of the DAC8822 is ±0.5 LSB.
- What is the integral nonlinearity (INL) of the DAC8822?
The INL of the DAC8822 is ±1 LSB.
- What is the noise level of the DAC8822?
The noise level of the DAC8822 is 12 nV/√Hz.
- What is the power consumption per channel of the DAC8822 at 2.7V?
The power consumption per channel is 1 µA at 2.7V.
- What is the full-scale current of the DAC8822 with VREF = 10V?
The full-scale current is 2 mA with VREF = 10V.
- What is the settling time of the DAC8822?
The settling time is 0.5 µs.
- What is the reference bandwidth of the DAC8822?
The reference bandwidth is 10 MHz.
- What is the temperature range of the DAC8822?
The temperature range is -40°C to +125°C.
- In what package is the DAC8822 available?
The DAC8822 is available in a TSSOP-38 package.
