Overview
The AD7399BR, produced by Analog Devices Inc., is a quad, 10-bit, voltage output digital-to-analog converter (DAC). This device is part of the AD7398/AD7399 family and is designed for ease of use in single or dual-supply systems. It operates from a single 3 V to 5 V supply or a dual ±5 V supply, making it versatile for various applications. The AD7399BR features a 3-wire, serial SPI-compatible interface and includes internal power-on reset and double-buffered registers for simultaneous multichannel DAC updates.
Key Specifications
| Parameter | Symbol | Condition | Unit | Value |
|---|---|---|---|---|
| Resolution | N | - | Bits | 10 |
| Relative Accuracy | INL | - | LSB | ±1 max |
| Differential Nonlinearity | DNL | - | LSB | ±1 max |
| Zero-Scale Error | VZSE | Data = 000H | mV | ±4 max |
| Full-Scale Voltage Error | VFSE | Data = 3FFH | mV | ±15 max |
| Full-Scale Tempco | TCVFS | - | ppm/°C | 1.5 typ |
| Reference Input Range | VREFIN | - | V | 0/VDD, VSS/VDD |
| Input Resistance | RREF | - | kΩ | 40 typ |
| Input Capacitance | CREF | - | pF | 5 typ |
| Output Voltage Range | - | - | V | 0 to VREF |
| Settling Time | tS | - | μs | 6 typ |
| Shutdown Recovery Time | tSDR | - | μs | 6 typ |
| Supply Voltage | VDD | - | V | 2.7 to 5.5, ±5 |
| Operating Temperature | TA | - | °C | -40 to 125 |
| Package/Case | - | - | - | 16-SOIC |
Key Features
- Resolution: 10-bit resolution for the AD7399BR model.
- Supply Operation: Single (3 V to 5 V) or dual (±5 V) supply operation.
- Interface: 3-wire, serial SPI-compatible interface.
- Power-On Reset: Internal power-on reset.
- Double-Buffered Registers: Allows for simultaneous multichannel DAC updates.
- Reference Inputs: Four separate rail-to-rail reference inputs.
- Low Tempco: 1.5 ppm/°C typical full-scale temperature coefficient.
- Package: Available in a thin profile, 16-SOIC package.
- Programmable Power Shutdown: Feature to reduce power consumption when not in use.
Applications
- Automotive: Suitable for automotive applications due to its robust performance and temperature range.
- Portable Communications: Used in portable communication devices where low power consumption and compact design are essential.
- Digitally Controlled Calibration: Ideal for applications requiring precise digital calibration.
- PC Peripherals: Can be used in PC peripherals that require accurate analog output.
Q & A
- What is the resolution of the AD7399BR DAC?
The AD7399BR has a 10-bit resolution.
- What are the supply voltage options for the AD7399BR?
The AD7399BR can operate from a single 3 V to 5 V supply or a dual ±5 V supply.
- What type of interface does the AD7399BR use?
The AD7399BR uses a 3-wire, serial SPI-compatible interface.
- Does the AD7399BR have internal power-on reset?
Yes, the AD7399BR features an internal power-on reset.
- How many reference inputs does the AD7399BR have?
The AD7399BR has four separate rail-to-rail reference inputs.
- What is the typical full-scale temperature coefficient of the AD7399BR?
The typical full-scale temperature coefficient is 1.5 ppm/°C.
- In what package is the AD7399BR available?
The AD7399BR is available in a 16-SOIC package.
- Is the AD7399BR qualified for automotive applications?
Yes, the AD7399BR is qualified for automotive applications.
- What is the settling time of the AD7399BR?
The settling time is typically 6 μs.
- Does the AD7399BR have programmable power shutdown?
Yes, the AD7399BR features programmable power shutdown to reduce power consumption when not in use.
