Overview
The AD5546BRU-REEL7 is a precision 16-bit, multiplying, low power, current output, parallel input digital-to-analog converter (DAC) produced by Analog Devices Inc. This component is part of the AD5546/AD5556 family and is designed for high accuracy and versatility in various applications. It operates from a single supply voltage ranging from 2.7 V to 5.5 V, making it suitable for a wide range of power environments.
The AD5546BRU-REEL7 offers both unipolar and bipolar output ranges, with the capability to handle references up to ±18 V. The device features built-in precision resistors for four-quadrant bipolar applications and includes a feedback resistor (RFB) for easy current-to-voltage conversion using an external op-amp.
Key Specifications
| Parameter | Symbol | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Resolution | N | - | - | - | 16 Bits | - |
| Integral Nonlinearity (INL) | INL | - | - | ±2 LSB | - | |
| Full Scale Output Current | IOUT | - | - | 2 mA | - | |
| Supply Voltage Range | VDD | - | 2.7 V | - | 5.5 V | |
| Positive Supply Current | IDD | Logic inputs = 0 V | - | - | 10 µA | |
| Logic Input Low Voltage | VIL | VDD = 5 V | 0.8 V | - | - | |
| Logic Input High Voltage | VIH | VDD = 5 V | - | - | 2.4 V | |
| Write Pulse Width | tWR | VDD = 5 V | - | - | 20 ns | |
| LDAC Pulse Width | tLDAC | VDD = 5 V | - | - | 20 ns |
Key Features
- Precision Conversion: The AD5546BRU-REEL7 features high precision with integral nonlinearity (INL) of ±2 LSB, ensuring accurate digital-to-analog conversion.
- Low Power Consumption: The device operates with a low supply current of up to 10 µA, making it suitable for power-sensitive applications.
- Flexible Output Ranges: It supports both unipolar (0 V to ±VREF) and bipolar (±VREF) output ranges, with references up to ±18 V.
- Built-in Resistors: Includes precision resistors for four-quadrant bipolar applications and a feedback resistor (RFB) for easy current-to-voltage conversion.
- Compact Packaging: Available in a 28-lead TSSOP package, making it compact and suitable for various board designs.
- Wide Operating Temperature Range: Operates over a temperature range of -40°C to +125°C, making it suitable for harsh environments.
Applications
- Automatic Test Equipment: Ideal for precision measurement and calibration in test equipment.
- Instrumentation: Used in various instrumentation applications requiring high accuracy and precision.
- Digitally Controlled Calibration: Suitable for calibration systems that require precise digital control.
- Digital Waveform Generation: Can be used in applications requiring the generation of precise digital waveforms.
Q & A
- What is the resolution of the AD5546BRU-REEL7?
The AD5546BRU-REEL7 has a resolution of 16 bits.
- What is the supply voltage range for the AD5546BRU-REEL7?
The supply voltage range is from 2.7 V to 5.5 V.
- What is the full-scale output current of the AD5546BRU-REEL7?
The full-scale output current is 2 mA.
- Does the AD5546BRU-REEL7 support bipolar output ranges?
Yes, it supports both unipolar and bipolar output ranges.
- What is the typical power consumption of the AD5546BRU-REEL7?
The typical power consumption is up to 10 µA.
- What is the operating temperature range of the AD5546BRU-REEL7?
The operating temperature range is from -40°C to +125°C.
- What type of packaging does the AD5546BRU-REEL7 come in?
It comes in a 28-lead TSSOP package.
- Does the AD5546BRU-REEL7 have built-in resistors for four-quadrant applications?
Yes, it includes precision resistors for four-quadrant bipolar applications.
- How does the AD5546BRU-REEL7 facilitate current-to-voltage conversion?
It includes a feedback resistor (RFB) that simplifies current-to-voltage conversion with an external op-amp.
- What are some common applications of the AD5546BRU-REEL7?
Common applications include automatic test equipment, instrumentation, digitally controlled calibration, and digital waveform generation.
