Overview
The AD7247AARZ-REEL7, produced by Analog Devices Inc., is an enhanced version of the industry-standard AD7247. This component is a complete, dual, 12-bit, voltage output digital-to-analog converter (DAC) with integrated output amplifiers and a Zener voltage reference on a monolithic CMOS chip. It is designed to offer significant space savings and increased reliability compared to multichip designs. The AD7247AARZ-REEL7 is microprocessor compatible, featuring high-speed data latches and interface logic, making it suitable for a wide range of applications requiring precise analog output control.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Number of D/A Converters | 2 | |
| Number of Bits | 12 | |
| Supply Voltage Range | 10.8 V to 16.5 V | V |
| Operating Temperature Range | -40°C to +85°C | °C |
| Settling Time | 8 µs | µs |
| Output Voltage Ranges | 0 V to +5 V, 0 V to +10 V, ±5 V | V |
| Package Type | 24-Lead SOIC (Wide) | |
| Mounting Type | Surface Mount | |
| Moisture Sensitivity Level (MSL) | 3 (168 Hours) | |
| Lead Free / RoHS Status | Lead free / RoHS Compliant | |
| INL/DNL (LSB) | ±1 (Max), ±0.9 (Max) | LSB |
Key Features
- Dual 12-bit DACPORT® on a single chip, offering space savings and increased reliability.
- Microprocessor compatible with high-speed data latches and interface logic.
- Faster interface times and better reference variations with VDD.
- Faster settling times.
- No external user trims required to achieve full specified performance.
- REF OUT/REF IN function allows use of either on-chip 5 V reference or an external reference.
- Output amplifiers capable of developing +10 V across a 2 kΩ load to GND.
- Asynchronous LDAC signal for updating DAC latches and analog outputs.
- Support for single and dual supply operations with various output voltage ranges.
Applications
The AD7247AARZ-REEL7 is suitable for various applications requiring precise analog output control, such as:
- Industrial control systems.
- Medical devices.
- Aerospace and defense systems.
- Automotive systems.
- Test and measurement equipment.
Q & A
- What is the AD7247AARZ-REEL7?
The AD7247AARZ-REEL7 is a dual 12-bit digital-to-analog converter (DAC) with integrated output amplifiers and a Zener voltage reference on a monolithic CMOS chip.
- What are the key features of the AD7247AARZ-REEL7?
Key features include microprocessor compatibility, faster interface times, faster settling times, and the ability to use either an on-chip or external reference voltage.
- What are the output voltage ranges of the AD7247AARZ-REEL7?
The output voltage ranges include 0 V to +5 V, 0 V to +10 V, and ±5 V, depending on the supply configuration.
- What is the package type of the AD7247AARZ-REEL7?
The AD7247AARZ-REEL7 comes in a 24-Lead SOIC (Wide) package.
- Is the AD7247AARZ-REEL7 RoHS compliant?
Yes, the AD7247AARZ-REEL7 is lead free and RoHS compliant.
- What is the operating temperature range of the AD7247AARZ-REEL7?
The operating temperature range is -40°C to +85°C.
- How many bits does the AD7247AARZ-REEL7 have?
The AD7247AARZ-REEL7 is a 12-bit DAC.
- What is the settling time of the AD7247AARZ-REEL7?
The settling time is 8 µs.
- Does the AD7247AARZ-REEL7 require external user trims?
No, the AD7247AARZ-REEL7 does not require external user trims to achieve full specified performance.
- What is the purpose of the LDAC signal in the AD7247AARZ-REEL7?
The LDAC signal is used to update the DAC latches and analog outputs asynchronously.
