Overview
The DAC7513N/250G4, produced by Texas Instruments, is a low-power, single, 12-bit buffered voltage output Digital-to-Analog Converter (DAC). This device features a versatile 3-wire serial interface compatible with standard SPI, QSPI, Microwire, and DSP interfaces, operating at clock rates up to 30MHz. The DAC7513 includes an on-chip precision output amplifier that allows for rail-to-rail output swing, making it suitable for a variety of applications requiring precise analog output.
Key Specifications
| Parameter | Min | Typ | Max | Units |
|---|---|---|---|---|
| Resolution | 12 | Bits | ||
| Relative Accuracy | ±8 | LSB | ||
| Differential Nonlinearity | ±1 | LSB | ||
| Zero Code Error | +5 to +20 | mV | ||
| Full-Scale Error | –0.15 to –1.25 | % of FSR | ||
| Gain Error | ±1.25 | % of FSR | ||
| Output Voltage Range | 0 | VREF | V | |
| Output Voltage Settling Time | 8 | 10 | 12 | µs |
| Power Supply Voltage | 2.7 | 5.5 | V | |
| Normal Mode Current Consumption | 100 | 115 | 170 | µA |
| Power-Down Mode Current Consumption | 0.05 | 0.2 | 1 | µA |
| Operating Temperature Range | –40 | +105 | °C |
Key Features
- Low-power operation: 115µA at 5V
- Power-on reset to zero
- Ensured monotonic by design
- Settling time: 10µs to 1LSB
- Low-power serial interface with Schmitt-triggered inputs
- On-chip output buffer amplifier with rail-to-rail operation
- SYNC interrupt facility
- Available in SOT23-8 and MSOP-8 packages
- Power-down feature with three modes: 1kΩ to GND, 100kΩ to GND, and High-Z
Applications
- Process control
- Data acquisition systems
- Closed-loop servo-control
- PC peripherals
- Portable instrumentation
- Programmable attenuation
Q & A
- What is the resolution of the DAC7513?
The DAC7513 has a resolution of 12 bits.
- What is the typical current consumption of the DAC7513 in normal mode?
The typical current consumption is 115µA at 5V.
- What are the power-down modes available in the DAC7513?
The DAC7513 has three power-down modes: output connected to GND through a 1kΩ resistor, output connected to GND through a 100kΩ resistor, and High-Z mode.
- What is the settling time of the DAC7513?
The settling time is typically 10µs to 1LSB.
- What is the operating temperature range of the DAC7513?
The operating temperature range is –40°C to +105°C.
- What types of packages are available for the DAC7513?
The DAC7513 is available in SOT23-8 and MSOP-8 packages.
- Is the DAC7513 compatible with standard serial interfaces?
- What is the maximum clock frequency for the serial interface?
The maximum clock frequency is 30MHz.
- Does the DAC7513 have a power-on reset feature?
- How does the power-down mode affect the current consumption?
In power-down mode, the current consumption reduces to 200nA at 5V.
