Overview
The AD5570ARSZ is a 16-bit, voltage-output digital-to-analog converter (DAC) produced by Analog Devices Inc. This device is known for its high accuracy and versatility, making it suitable for a wide range of applications. The AD5570 features a current-mode, segmented R-2R architecture, which ensures precise voltage output. It also includes on-chip reference buffers, eliminating the need for external components such as inverters, precision amplifiers, and resistors. This reduces the overall solution size and cost. The device operates with a 3-wire interface compatible with SPI, QSPI, MICROWIRE, and DSP standards, facilitating easy integration into various systems.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Test Conditions/Comments |
|---|---|---|---|---|---|
| Number of Bits | - | - | 16 | - | - |
| Settling Time | - | - | 16 μs | - | - |
| Output Type | - | - | Voltage - Buffered | - | - |
| Differential Output | - | - | No | - | - |
| Data Interface | - | - | SPI, DSP | - | - |
| Reference Type | - | - | External | - | - |
| INL/DNL (LSB) | ±0.6 | - | ±0.3 | - | - |
| Architecture | - | - | R-2R | - | - |
| Operating Temperature | -40°C | - | 85°C | - | - |
| Voltage - Supply, Analog | ±11.4V | - | ±16.5V | - | - |
| Power Dissipation | - | - | 100 mW | - | VOUT unloaded |
| Power-Down Current | - | - | 16 μA | - | VOUT unloaded |
Key Features
- On-Chip Reference Buffers: The AD5570 includes on-chip reference buffers that allow a single positive reference to be used, eliminating the need for external components like inverters, precision amplifiers, and resistors.
- Power-Down Capability: The device features a power-down pin that reduces the typical current consumption to 16 μA, making it energy-efficient.
- Versatile Interface: The AD5570 uses a 3-wire interface compatible with SPI, QSPI, MICROWIRE, and DSP standards, facilitating easy integration into various systems.
- High Accuracy: The DAC has a high accuracy with INL/DNL of ±0.6 LSB and ±0.3 LSB, respectively.
- Fast Settling Time: The device has a settling time of 16 μs, ensuring rapid response to input changes.
- Low Output Impedance: The output impedance is as low as 0.35 Ω, making it suitable for a variety of applications.
- Power-On Reset: The AD5570 incorporates a power-on reset circuit to ensure the DAC output powers up to 0 V.
Applications
- Industrial Control Systems: The high accuracy and reliability of the AD5570 make it suitable for industrial control systems where precise voltage output is critical.
- Medical Devices: The device's low noise and high stability are beneficial in medical devices that require accurate voltage outputs.
- Aerospace and Defense: The AD5570's robust performance over a wide temperature range makes it a good fit for aerospace and defense applications.
- Automotive Systems: The device's ability to operate over a wide supply voltage range and its low power consumption make it suitable for automotive systems.
- Test and Measurement Equipment: The high accuracy and fast settling time of the AD5570 are advantageous in test and measurement equipment.
Q & A
- What is the number of bits in the AD5570ARSZ DAC?
The AD5570ARSZ is a 16-bit digital-to-analog converter.
- What is the settling time of the AD5570ARSZ?
The settling time of the AD5570ARSZ is 16 μs.
- What type of interface does the AD5570ARSZ use?
The AD5570ARSZ uses a 3-wire interface compatible with SPI, QSPI, MICROWIRE, and DSP standards.
- Does the AD5570ARSZ have on-chip reference buffers?
Yes, the AD5570ARSZ includes on-chip reference buffers.
- What is the power-down current of the AD5570ARSZ?
The power-down current of the AD5570ARSZ is 16 μA.
- What is the operating temperature range of the AD5570ARSZ?
The operating temperature range of the AD5570ARSZ is -40°C to 85°C.
- What is the output impedance of the AD5570ARSZ?
The output impedance of the AD5570ARSZ is as low as 0.35 Ω.
- Does the AD5570ARSZ have a power-on reset feature?
Yes, the AD5570ARSZ incorporates a power-on reset circuit to ensure the DAC output powers up to 0 V.
- What is the INL/DNL of the AD5570ARSZ?
The INL/DNL of the AD5570ARSZ is ±0.6 LSB and ±0.3 LSB, respectively.
- What is the package type of the AD5570ARSZ?
The AD5570ARSZ comes in a 16-SSOP package.
