AD7547LRZ: High-Performance 12-Bit Dual DAC IC - Features, Specs & Applications
AD7547LRZ: High-Performance 12-Bit Dual DAC IC - Features, Specs & Applications
The AD7547LRZ from Analog Devices Inc. is a premium dual 12-bit Digital-to-Analog Converter (DAC) engineered for precision-critical applications. This IC delivers exceptional performance in data acquisition systems, industrial automation, and communication infrastructure. Below, we dive deep into its technical specifications, key benefits, and real-world use cases to help engineers and designers make informed decisions.
AD7547LRZ Product Overview
Manufacturer & Model Details
- Manufacturer: Analog Devices Inc. (A leader in semiconductor solutions)
- Part Number: AD7547LRZ
- Category: Data Acquisition ICs / Digital-to-Analog Converters
Key Features of the AD7547LRZ
1. High Resolution & Architecture
- Resolution: 12-bit (4096 steps)
- Architecture: R-2R Ladder (Ensures high linearity)
2. Precision Performance Metrics
- Settling Time: 1.5 s (Fast response for dynamic systems)
- INL (Integral Nonlinearity): 0.5 LSB (Max)
- DNL (Differential Nonlinearity): 1 LSB (Max)
3. Flexible Output Configuration
- Output Type: Unbuffered Current (Compatible with external op-amps)
- Differential Output: No (Single-ended design)
4. Interface & Reference Options
- Data Interface: Parallel (Easy MCU/FPGA integration)
- Reference Voltage: External (User-adjustable full-scale range)
5. Power Supply & Robustness
- Analog/Digital Supply: 10.8V to 16.5V (Wide operating range)
- Temperature Range: -40 C to +85 C (Industrial-grade reliability)
6. Compact Packaging
- Package: 24-SOIC (7.5mm width, surface-mount)
Detailed Technical Specifications
| Parameter | Value |
|---|---|
| Resolution | 12-bit |
| Number of Channels | 2 (Dual DAC) |
| INL Error | 0.5 LSB (Max) |
| DNL Error | 1 LSB (Max) |
| Settling Time | 1.5 s (Typical) |
| Output Type | Unbuffered Current |
| Reference Type | External |
| Supply Voltage | 10.8V 16.5V |
| Operating Temperature | -40 C to +85 C |
Applications of the AD7547LRZ
The AD7547LRZ is ideal for:
- Industrial Automation: Process control, PLCs, motor drives
- Test & Measurement: Signal generators, data loggers
- Communications: Base stations, RF modulation
- Automotive: ECU systems, sensor calibration
- Medical: Imaging equipment, diagnostic devices
Why Engineers Prefer the AD7547LRZ
- High Accuracy: 0.5 LSB INL ensures minimal signal distortion.
- Speed: 1.5 s settling time enables real-time updates.
- Dual-Channel Design: Saves board space vs. two single DACs.
- Industrial Durability: Operates in extreme temperatures (-40 C to +85 C).
- Design Flexibility: External reference and parallel interface support customization.
Conclusion
The AD7547LRZ stands out as a top-tier dual 12-bit DAC for precision applications. Its blend of speed, accuracy, and ruggedness makes it a go-to choice for engineers in industrial, automotive, and communication sectors. For datasheets or purchasing options, visit authorized distributors or Analog Devices' official website.
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