Overview
The AD5726YRWZ-REEL7 is a quad, 12-bit, serial input, voltage output digital-to-analog converter (DAC) manufactured by Analog Devices Inc. It is fabricated using Analog Devices' iCMOS® process technology, ensuring high performance and reliability. This DAC offers guaranteed monotonicity and integral nonlinearity (INL) of ±1 LSB maximum, making it suitable for applications requiring precise analog output control.
Key Specifications
| Parameter | Value | Unit | Test Conditions/Comments |
|---|---|---|---|
| Resolution | 12 Bits | ||
| Relative Accuracy (INL) | ±1 LSB max | Y grade, AVSS = −5 V, outputs unloaded | |
| Differential Nonlinearity (DNL) | ±1 LSB max | Guaranteed monotonic | |
| Zero-Scale Error | ±6 LSB max | AVSS = −5 V | |
| Full-Scale Error | ±6 LSB max | AVSS = −5 V | |
| Operating Temperature Range | −40°C to +125°C | ||
| Supply Voltage | +5 V ± 5%, −5 V ± 5% | V | AVDD = +5 V, AVSS = 0 V or −5 V |
| Reference Inputs | VREFP = +2.5 V, VREFN = 0 V or −2.5 V | V | |
| Load Resistance | 2 kΩ | Ω | RLOAD |
| Output Current | Up to 5 mA | mA | When operating from ±15 V supplies |
| Large Signal Bandwidth | 90 kHz typ | kHz | 3 dB, VREFP = 5 V + 10 V p-p, VREFN = −10 V |
Key Features
- Quad 12-bit DACs: Each DAC is a voltage-switched, high impedance (50 kΩ), R-2R ladder configuration, ensuring precise analog output control.
- Buffered Analog Voltage Outputs: Capable of sourcing and sinking up to 5 mA when operating from ±15 V supplies, eliminating the need for external buffer amplifiers in most applications.
- Flexible Reference Inputs: Output voltage swing is set by two reference inputs, VREFP and VREFN, allowing for unipolar positive, unipolar negative, or bipolar output ranges.
- Short-Circuit Protected Output Amplifiers: Ensures device safety and reliability.
- 3-Wire Serial Interface: Data is written to the AD5726 in a 16-bit word format via a 3-wire serial interface, compatible with various serial communication standards.
- Operating Temperature Range: −40°C to +125°C, making it suitable for a wide range of industrial and automotive applications.
Applications
- Industrial Automation: Suitable for closed-loop servo control and process control systems.
- Automotive Test and Measurement: Ideal for various automotive testing and measurement applications.
- Programmable Logic Controllers (PLCs): Can be integrated into PLC systems for precise analog output control.
- General Industrial Control Systems: Used in various industrial control systems requiring accurate and reliable analog output.
Q & A
- What is the resolution of the AD5726YRWZ-REEL7 DAC?
The AD5726YRWZ-REEL7 has a resolution of 12 bits.
- What is the maximum integral nonlinearity (INL) of the AD5726YRWZ-REEL7?
The maximum INL is ±1 LSB.
- What is the operating temperature range of the AD5726YRWZ-REEL7?
The operating temperature range is −40°C to +125°C.
- How are the output voltage ranges set for the AD5726YRWZ-REEL7?
The output voltage ranges are set by two reference inputs, VREFP and VREFN, allowing for unipolar positive, unipolar negative, or bipolar output ranges.
- What is the maximum output current of the AD5726YRWZ-REEL7 when operating from ±15 V supplies?
The maximum output current is up to 5 mA.
- Is the AD5726YRWZ-REEL7 short-circuit protected?
Yes, the output amplifiers are short-circuit protected.
- What type of serial interface does the AD5726YRWZ-REEL7 use?
The AD5726YRWZ-REEL7 uses a 3-wire serial interface.
- What are some common applications of the AD5726YRWZ-REEL7?
Common applications include industrial automation, automotive test and measurement, and programmable logic controllers (PLCs).
- Can the AD5726YRWZ-REEL7 operate with capacitive loads?
Yes, it is stable with capacitive loads up to 2 nF typically.
- What is the large signal bandwidth of the AD5726YRWZ-REEL7?
The large signal bandwidth is 90 kHz typical at 3 dB.
