Overview
The AD7545AKRZ-REEL, produced by Analog Devices Inc., is a 12-bit CMOS multiplying Digital-to-Analog Converter (DAC) with internal data latches. This component is an improved version of the industry standard AD7545, designed to offer enhanced performance and compatibility with a wide range of microprocessors. It operates on a single supply voltage ranging from +5 V to +15 V, making it versatile for various applications, including those with wide temperature variations.
The AD7545AKRZ-REEL features fast TTL-compatible data latches, low power consumption, and a compact 20-lead SOIC (Wide) package. It is particularly suitable for battery-operated equipment and applications requiring low cost and high reliability.
Key Specifications
| Parameter | Units | Min | Max | Comments | |
|---|---|---|---|---|---|
| Resolution | Bits | 12 | - | 12 | - |
| Relative Accuracy | LSB | - | - | ±1/2 | All Grades Guaranteed |
| Differential Nonlinearity | LSB | - | - | ±1 | All Grades Guaranteed |
| Supply Voltage (VDD) | V | 5 | - | 15 | - |
| Input High Voltage (VIH) | V | 2.4 | - | 13.5 | - |
| Input Low Voltage (VIL) | V | 0.8 | - | 1.5 | - |
| Input Current (IIN) | µA | - | - | ±10 | VIN = 0 or VDD |
| Write Pulse Width (tWR) | ns | 160 | 100 | 240 | - |
| Chip Select to Write Setup Time (tCS) | ns | 120 | 100 | 150 | - |
Key Features
- 12-Bit Resolution: Provides high precision in digital-to-analog conversion.
- CMOS Logic Compatibility: Compatible with CMOS logic levels, ensuring low power consumption and ease of integration.
- Single Supply Operation: Operates with a single supply voltage from +5 V to +15 V, making it versatile for various applications.
- Internal Data Latches: Allows for direct interfacing to most 12-bit and 16-bit bus systems.
- Low Power Consumption: Dissipates less than 0.5 mW at VDD = +5 V, ideal for battery-operated equipment.
- Compact Packaging: Available in 20-lead SOIC (Wide) package, suitable for space-constrained designs.
- Wide Temperature Range: Operates over a wide temperature range, making it suitable for applications with varying environmental conditions.
Applications
- Battery-Operated Equipment: Ideal due to its low power consumption and single supply operation.
- Industrial Control Systems: Suitable for applications requiring precise analog output control.
- Aerospace and Military: Available in various packages, including those suitable for military and aerospace applications.
- Medical Devices: Can be used in medical equipment where precise analog signals are required.
- Automotive Systems: Applicable in automotive systems that require reliable and precise analog output.
Q & A
- What is the resolution of the AD7545AKRZ-REEL?
The AD7545AKRZ-REEL has a 12-bit resolution.
- What is the supply voltage range for the AD7545AKRZ-REEL?
The supply voltage range is from +5 V to +15 V.
- What are the input logic levels compatible with the AD7545AKRZ-REEL?
The input logic levels are CMOS compatible, with VIH of 2.4 V to 13.5 V and VIL of 0.8 V to 1.5 V.
- How much power does the AD7545AKRZ-REEL consume at VDD = +5 V?
It dissipates less than 0.5 mW at VDD = +5 V.
- What is the typical write pulse width (tWR) for the AD7545AKRZ-REEL?
The typical write pulse width (tWR) is 100 ns to 240 ns.
- Can the AD7545AKRZ-REEL be used in battery-operated equipment?
Yes, it is ideal for battery-operated equipment due to its low power consumption.
- What are the common applications of the AD7545AKRZ-REEL?
Common applications include battery-operated equipment, industrial control systems, aerospace and military, medical devices, and automotive systems.
- What is the differential nonlinearity of the AD7545AKRZ-REEL?
The differential nonlinearity is ±1 LSB.
- What is the input current (IIN) for the AD7545AKRZ-REEL?
The input current (IIN) is ±10 µA when VIN = 0 or VDD.
- What are the package options available for the AD7545AKRZ-REEL?
It is available in a 20-lead SOIC (Wide) package.
