Overview
The DAC8411IDCKR from Texas Instruments is a 16-bit, single-channel, low-power digital-to-analog converter (DAC) designed for high precision and low power consumption. This device is part of the DAC8x11 family and is housed in a compact 6-pin SC70 package. It operates over a wide power supply range of 2 V to 5.5 V and is suitable for various applications requiring precise analog output from digital signals.
The DAC8411IDCKR features a versatile 3-wire serial interface compatible with standard SPI, QSPI, Microwire, and digital signal processor (DSP) interfaces, allowing for clock rates up to 50 MHz. It includes an on-chip output buffer amplifier with rail-to-rail operation and a power-on reset circuit that ensures the DAC output powers up at 0 V.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Resolution | 16 | Bits |
| Relative Accuracy | ±4 to ±12 | LSB |
| Differential Nonlinearity | ±0.5 to ±2 | LSB |
| Offset Error | ±0.05 to ±4 | mV |
| Zero Code Error | 0.2 | mV |
| Full-Scale Error | 0.04 to 0.2 | % of FSR |
| Gain Error | ±0.15 | % of FSR |
| Output Voltage Range | 0 to AVDD | V |
| Output Voltage Settling Time | 6 to 12 μs | μs |
| Slew Rate | 0.7 | V/μs |
| Power Consumption | 80 μA at 2 V, 0.55 mW at 5 V | μA, mW |
| Power-Down Current | 0.1 μA at 2 V, 0.5 μA at 5 V | μA |
| Operating Temperature Range | –40°C to 125°C | °C |
| Package Type | SC70 (6-pin) |
Key Features
- Low Power Operation: 80 μA at 2 V and 0.55 mW at 5 V, with a power-down mode reducing current to 0.1 μA at 2 V and 0.5 μA at 5 V.
- Wide Power Supply Range: Operates from 2 V to 5.5 V.
- High Precision: Relative accuracy of ±4 to ±12 LSB and differential nonlinearity of ±0.5 to ±2 LSB.
- On-Chip Output Buffer Amplifier: Rail-to-rail operation for full output range.
- Power-On Reset: Ensures the DAC output powers up at 0 V.
- Versatile Serial Interface: Compatible with SPI, QSPI, Microwire, and DSP interfaces, with clock rates up to 50 MHz.
- SYNC Interrupt Facility: Allows for interrupt functionality during data transfer.
- Extended Temperature Range: Operates from –40°C to 125°C.
- Pin-Compatible Family: Easy upgrade path from 8-, 10-, and 12-bit resolution to 14- and 16-bit resolution within the same package.
Applications
- Portable, Battery-Powered Instruments: Ideal for devices requiring low power consumption.
- Process Controls: Suitable for precision control applications.
- Digital Gain and Offset Adjustment: Can be used for adjusting gain and offset in digital systems.
- Programmable Voltage and Current Sources: Useful in applications requiring programmable voltage or current outputs.
Q & A
- What is the resolution of the DAC8411IDCKR?
The DAC8411IDCKR has a resolution of 16 bits.
- What is the power consumption of the DAC8411IDCKR in normal operation?
The power consumption is 80 μA at 2 V and 0.55 mW at 5 V.
- What is the power-down current of the DAC8411IDCKR?
The power-down current is 0.1 μA at 2 V and 0.5 μA at 5 V.
- What is the operating temperature range of the DAC8411IDCKR?
The operating temperature range is –40°C to 125°C.
- What type of package does the DAC8411IDCKR come in?
The DAC8411IDCKR comes in a 6-pin SC70 package.
- Is the DAC8411IDCKR compatible with other DACs from Texas Instruments?
Yes, it is pin-compatible with other DACs in the DAC8x11 family, allowing for easy upgrades from 8-, 10-, and 12-bit resolution to 14- and 16-bit resolution.
- What is the maximum clock rate for the serial interface of the DAC8411IDCKR?
The maximum clock rate for the serial interface is up to 50 MHz.
- Does the DAC8411IDCKR have an on-chip output buffer amplifier?
Yes, it includes an on-chip output buffer amplifier with rail-to-rail operation.
- What is the typical output voltage settling time of the DAC8411IDCKR?
The typical output voltage settling time is 6 to 12 μs.
- Does the DAC8411IDCKR have a power-on reset feature?
Yes, it has a power-on reset circuit that ensures the DAC output powers up at 0 V.
