Overview
The AD7399BRU-REEL7, produced by Analog Devices Inc., is a quad 10-bit digital-to-analog converter (DAC) designed for a variety of applications requiring precise voltage output. Built using the robust CBCMOS process, this DAC offers low cost and ease of use in both single and dual-supply systems. It is available in a 16-TSSOP package, making it suitable for surface mount applications.
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 |
| Supply Voltage | VDD/VSS | - | V | 2.7 to 5.5 V, ±5 V |
| Operating Temperature | TA | - | °C | -40 to 125 |
| Settling Time | tS | - | μs | 6 typ |
| Output Slew Rate | SR | - | V/μs | 2 typ |
| Shutdown Supply Current | IDD_SD | No load | μA | 30/60 typ/max |
| Positive Supply Current | IDD | VIL = 0 V, no load | mA | 1.5/2.8 typ/max |
Key Features
- Resolution: 10-bit resolution for each of the four DAC channels.
- Supply Operation: Can operate from a single 3 V to 5 V supply or a dual ±5 V supply.
- Interface: 3-wire, serial SPI-compatible interface.
- Power-On Reset: Internal power-on reset for reliable startup.
- Double Buffered Registers: Allows for simultaneous update of all four DAC channels.
- Reference Inputs: Four separate rail-to-rail reference inputs.
- Package: Available in a thin profile, 16-TSSOP package.
- Low Tempco: Full-scale temperature coefficient of 1.5 ppm/°C.
- Programmable Power Shutdown: Reduces power consumption when not in use.
Applications
- Automotive: Suitable for automotive applications due to its robust design and wide operating temperature range.
- Portable Communications: Ideal for portable communication devices requiring precise voltage control.
- Digitally Controlled Calibration: Used in calibration systems where digital control over analog outputs is necessary.
- PC Peripherals: Can be used in various PC peripherals that require multiple analog output channels.
Q & A
- What is the resolution of the AD7399BRU-REEL7 DAC?
The AD7399BRU-REEL7 has a 10-bit resolution for each of its four DAC channels.
- What are the supply voltage options for the AD7399BRU-REEL7?
The AD7399BRU-REEL7 can operate from a single 3 V to 5 V supply or a dual ±5 V supply.
- What type of interface does the AD7399BRU-REEL7 use?
The AD7399BRU-REEL7 uses a 3-wire, serial SPI-compatible interface.
- Does the AD7399BRU-REEL7 have internal power-on reset?
Yes, the AD7399BRU-REEL7 has an internal power-on reset feature.
- How many reference inputs does the AD7399BRU-REEL7 have?
The AD7399BRU-REEL7 has four separate rail-to-rail reference inputs.
- What is the typical settling time of the AD7399BRU-REEL7?
The typical settling time of the AD7399BRU-REEL7 is 6 μs.
- Is the AD7399BRU-REEL7 qualified for automotive applications?
Yes, the AD7399BRU-REEL7 is qualified for automotive applications.
- What is the operating temperature range of the AD7399BRU-REEL7?
The operating temperature range of the AD7399BRU-REEL7 is -40°C to 125°C.
- Does the AD7399BRU-REEL7 have programmable power shutdown?
Yes, the AD7399BRU-REEL7 has programmable power shutdown to reduce power consumption when not in use.
- What is the package type of the AD7399BRU-REEL7?
The AD7399BRU-REEL7 is available in a 16-TSSOP package.
