Overview
The AD7237ABRZ is a precision, low-power, 12-bit digital-to-analog converter (DAC) manufactured by Analog Devices Inc. This component is part of the DACPORT series and is known for its high accuracy and stability, making it suitable for a wide range of industrial and instrumentation applications. The AD7237ABRZ features a dual 12-bit DAC on a single chip, offering considerable space savings and increased reliability over multichip designs.
Key Specifications
| Specification | Value |
|---|---|
| Number of Bits | 12 |
| Number of D/A Converters | 2 |
| Settling Time | 8 μs |
| Output Type | Voltage – Buffered |
| Differential Output | No |
| Data Interface | Parallel |
| Reference Type | External, Internal |
| Voltage Supply (Analog) | ±10.8 V ~ 16.5 V |
| INL/DNL (LSB) | ±0.5 (Max), ±0.9 (Max) |
| Architecture | R-2R |
| Operating Temperature | -40°C ~ 85°C |
| Package | 24-SOIC (0.295, 7.50mm Width) |
| Packaging | Tape & Reel (TR) |
Key Features
- Dual 12-bit DAC on a single chip, enhancing space efficiency and reliability.
- High accuracy and stability with INL/DNL of ±0.5 (Max) and ±0.9 (Max) LSB respectively.
- Low power consumption, suitable for power-sensitive applications.
- Wide power supply range: ±10.8 V ~ 16.5 V.
- Output amplifiers capable of developing +10 V across a 2 kΩ load to GND.
- Double buffered interface structure with an 8-bit wide data bus.
- Microprocessor compatible with high speed data latches and interface logic.
- REF OUT/REF IN function allowing use of either on-chip 5 V reference or an external reference.
Applications
- Industrial Automation: Precise control of analog actuators such as valves, motors, and actuators in industrial control systems.
- Test and Measurement: Accurate generation of analog signals for calibration, signal conditioning, and waveform synthesis in test and measurement instruments.
- Process Control: Precise analog outputs for controlling variables such as temperature, pressure, and flow rate in process control applications.
- Telecommunications: Generating accurate analog signals in frequency synthesis, modulation, and signal conditioning circuits in telecommunications infrastructure.
Q & A
- What is the AD7237ABRZ?
The AD7237ABRZ is a precision, low-power, 12-bit digital-to-analog converter (DAC) manufactured by Analog Devices Inc. - What is the package type of the AD7237ABRZ?
The AD7237ABRZ comes in a 24-SOIC package with a width of 0.295 inches (7.50 mm). - What is the settling time of the AD7237ABRZ?
The settling time of the AD7237ABRZ is 8 μs. - What are the voltage supply ranges for the AD7237ABRZ?
The AD7237ABRZ operates with an analog voltage supply range of ±10.8 V ~ 16.5 V. - Is the AD7237ABRZ microprocessor compatible?
Yes, the AD7237ABRZ is microprocessor compatible with high speed data latches and interface logic. - What types of output ranges are available for the AD7237ABRZ?
The AD7237ABRZ offers output ranges of 0 V to +5 V, 0 V to +10 V, and ±5 V depending on the supply configuration. - Can the AD7237ABRZ use an external reference voltage?
Yes, the AD7237ABRZ has a REF OUT/REF IN function that allows the use of either the on-chip 5 V reference or an external reference voltage. - What are the typical applications of the AD7237ABRZ?
The AD7237ABRZ is typically used in industrial automation, test and measurement, process control, and telecommunications applications. - How many D/A converters are integrated into the AD7237ABRZ?
The AD7237ABRZ features two 12-bit D/A converters. - What is the operating temperature range of the AD7237ABRZ?
The operating temperature range of the AD7237ABRZ is -40°C to 85°C.
