Overview
The DAC7513E/250, produced by Texas Instruments, is a low-power, single, 12-bit buffered voltage output Digital-to-Analog Converter (DAC). This device is designed for applications requiring high precision and low power consumption. It features an on-chip precision output amplifier that allows for rail-to-rail output swing, making it suitable for a wide range of applications, including portable battery-operated equipment. The DAC7513E/250 operates with a versatile 3-wire serial interface compatible with standard SPI, QSPI, Microwire, and DSP interfaces, and it supports clock rates up to 30MHz.
Key Specifications
| Parameter | Value | Conditions |
|---|---|---|
| Number of Bits | 12 | |
| Supply Voltage (VDD) | 2.7V to 5.5V | |
| Current Consumption (Normal Mode) | 100µA to 170µA | VDD = 2.7V to 5.5V, VIH = VDD, VIL = GND |
| Current Consumption (Power-Down Mode) | 0.05µA to 1µA | VDD = 2.7V to 5.5V, VIH = VDD, VIL = GND |
| Power Consumption (Normal Mode) | 0.5mW at 5V | |
| Power Consumption (Power-Down Mode) | 1µW | |
| Settling Time | 10µs to 1LSB | |
| Operating Temperature Range | -40°C to +105°C | |
| Package Types | SOT23-8, MSOP-8 |
Key Features
- Low-power operation: 115µA at 5V
- Power-on reset to zero
- Rail-to-rail output swing with on-chip output buffer amplifier
- Ensured monotonic by design
- Low-power serial interface with Schmitt-triggered inputs
- SYNC interrupt facility
- Power-down feature reducing current consumption to 200nA at 5V
- Compatible with SPI, QSPI, Microwire, and DSP interfaces
Applications
The DAC7513E/250 is ideally suited for portable battery-operated equipment due to its low power consumption. It can be used in various applications such as industrial control systems, medical devices, and any system requiring precise analog output with minimal power usage. Additionally, its compatibility with multiple serial interfaces makes it versatile for use in a wide range of digital systems.
Q & A
- What is the resolution of the DAC7513E/250?
The DAC7513E/250 has a resolution of 12 bits.
- What is the supply voltage range for the DAC7513E/250?
The supply voltage range is from 2.7V to 5.5V.
- What is the typical current consumption in normal mode?
The typical current consumption in normal mode is between 100µA and 170µA, depending on the supply voltage.
- How much power does the DAC7513E/250 consume in power-down mode?
In power-down mode, the power consumption is reduced to 1µW.
- What is the settling time of the DAC7513E/250?
The settling time is 10µs to 1LSB.
- What are the available package types for the DAC7513E/250?
The DAC7513E/250 is available in SOT23-8 and MSOP-8 packages.
- Is the DAC7513E/250 compatible with standard serial interfaces?
Yes, it is compatible with SPI, QSPI, Microwire, and DSP interfaces.
- What is the operating temperature range of the DAC7513E/250?
The operating temperature range is from -40°C to +105°C.
- Does the DAC7513E/250 have a power-on reset feature?
Yes, it has a power-on reset circuit that ensures the DAC output powers up at 0V.
- Can the DAC7513E/250 be used in a multiplying mode?
Yes, it can be used in a multiplying mode by setting an external reference voltage.
