Overview
The AD5348BRU-REEL is a 12-bit digital-to-analog converter (DAC) produced by Analog Devices Inc. This device is part of the AD5346/AD5347/AD5348 family, which are octal DACs offering high performance and versatility. The AD5348 operates from a 2.5 V to 5.5 V supply and is designed for demanding applications requiring precise analog output.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Test Conditions/Comments |
|---|---|---|---|---|---|
| Resolution | 12 Bits | ||||
| Relative Accuracy | ±2 | ±16 LSB | |||
| Differential Nonlinearity | ±0.2 | ±1 LSB | Guaranteed monotonic by design over all codes | ||
| Offset Error | ±0.4 | ±3 % of FSR | |||
| Gain Error | ±0.15 | ±1 % of FSR | |||
| Minimum Output Voltage | 0.001 V | V | Rail-to-rail operation | ||
| Maximum Output Voltage | VDD – 0.001 V | V | Rail-to-rail operation | ||
| DC Output Impedance | 0.5 Ω | Ω | |||
| Short Circuit Current | 25 mA (VDD = 5 V), 16 mA (VDD = 3 V) | mA | |||
| Power-Up Time | 2.5 μs (VDD = 5 V), 5 μs (VDD = 3 V) | μs | Coming out of power-down mode | ||
| Temperature Range | –40°C | +105°C | °C |
Key Features
- On-chip output buffer that can drive the output to both supply rails
- Choice of buffered or unbuffered reference input
- Parallel interface for data communication
- Simultaneous update of DAC outputs via LDAC pin
- Asynchronous CLR facility for clearing all input registers and DAC registers to zeros
- Power-on reset to 0 V
- Power-down mode to reduce power consumption
- Rail-to-rail output range: 0 V to VREF or 0 V to 2 × VREF
- Guaranteed monotonic by design over all codes
Applications
- Portable battery-powered instruments
- Digital gain and offset adjustment
- Programmable voltage and current sources
- Optical networking
- Automatic test equipment
- Mobile communications
- Programmable attenuators
- Industrial process control
Q & A
- What is the resolution of the AD5348BRU-REEL?
The AD5348BRU-REEL has a resolution of 12 bits.
- What is the operating voltage range of the AD5348BRU-REEL?
The AD5348BRU-REEL operates from a 2.5 V to 5.5 V supply.
- What type of interface does the AD5348BRU-REEL use?
The AD5348BRU-REEL uses a parallel interface for data communication.
- Does the AD5348BRU-REEL have a power-down mode?
- What is the temperature range of the AD5348BRU-REEL?
The temperature range of the AD5348BRU-REEL is –40°C to +105°C.
- Can the AD5348BRU-REEL drive its output to both supply rails?
- What is the typical power-up time for the AD5348BRU-REEL?
The typical power-up time for the AD5348BRU-REEL is 2.5 μs (VDD = 5 V) and 5 μs (VDD = 3 V).
- Does the AD5348BRU-REEL support simultaneous update of DAC outputs?
- What is the maximum short circuit current of the AD5348BRU-REEL?
The maximum short circuit current of the AD5348BRU-REEL is 25 mA (VDD = 5 V) and 16 mA (VDD = 3 V).
- Is the AD5348BRU-REEL guaranteed to be monotonic by design?
