Overview
The AD7541AJP is a high-performance, 12-bit monolithic multiplying digital-to-analog converter (DAC) produced by Analog Devices Inc. It is fabricated using advanced, low noise, thin film, complementary metal-oxide semiconductor (CMOS) technology. This DAC is designed to offer improved specifications and performance over its predecessor, the AD7541, and is functionally and pin compatible with it. The AD7541AJP is available in various packages, including 18-lead PDIP, 18-lead PLCC, and 18-lead SOIC, with the specific AD7541AJP model coming in a 20-lead PLCC package.
Key Specifications
| Parameter | Value | Unit | Comments |
|---|---|---|---|
| Number of Bits | 12 | ||
| Number of D/A Converters | 1 | ||
| Settling Time | 600 ns (Typ) | ||
| Output Type | Current - Unbuffered | ||
| Differential Output | Yes | ||
| Data Interface | Parallel | ||
| Reference Type | External | ||
| Voltage - Supply, Analog | 5 V ~ 16 V | ||
| Voltage - Supply, Digital | 5 V ~ 16 V | ||
| INL/DNL (LSB) | ±1 (Max), ±1 (Max) | ||
| Architecture | R-2R | ||
| Operating Temperature | 0°C ~ 70°C | ||
| Package / Case | 20-LCC (J-Lead) |
Key Features
- High Performance: The AD7541AJP offers high performance with improved specifications over the AD7541, including reduced gain error and gain error temperature coefficient.
- Latch-Up Free: The design ensures the DAC is latch-up free, eliminating the need for output protection Schottky diodes.
- Low Noise CMOS Technology: Fabricated using advanced, low noise, thin film CMOS technology.
- TTL/CMOS Compatible Digital Inputs: The digital inputs are TTL/CMOS compatible with a ±1 μA maximum input current requirement, minimizing the load on driving circuitry.
- Full 12-Bit Endpoint Linearity: Achieved through laser wafer trimming, ensuring high performance grades.
- Multiple Package Options: Available in 18-lead PDIP, 18-lead PLCC, and 18-lead SOIC packages, with the AD7541AJP specifically in a 20-lead PLCC package.
Applications
The AD7541AJP is suitable for a variety of applications that require precise digital-to-analog conversion, including:
- Industrial Control Systems: For accurate control and monitoring in industrial environments.
- Medical Devices: Where high precision and reliability are critical.
- Aerospace and Defense: For applications requiring robust and reliable DAC performance.
- Test and Measurement Equipment: To ensure accurate and reliable data conversion.
- Automotive Systems: For various automotive control and monitoring systems.
Q & A
- What is the resolution of the AD7541AJP DAC?
The AD7541AJP is a 12-bit digital-to-analog converter.
- What are the supply voltage ranges for the AD7541AJP?
The supply voltage ranges are 5 V to 16 V for both analog and digital supplies.
- Is the AD7541AJP latch-up free?
- What is the settling time of the AD7541AJP?
The settling time is typically 600 ns.
- What type of digital inputs does the AD7541AJP have?
The digital inputs are TTL/CMOS compatible.
- What is the operating temperature range of the AD7541AJP?
The operating temperature range is 0°C to 70°C.
- What type of output does the AD7541AJP provide?
The output is a current output, unbuffered.
- Is the AD7541AJP available in different packages?
- How does the AD7541AJP achieve full 12-bit endpoint linearity?
- What is the architecture of the AD7541AJP DAC?
