Overview
The AD5445YRUZ-REEL7 is a precision 12-bit digital-to-analog converter (DAC) manufactured by Analog Devices Inc. This component is designed to offer high performance and reliability, making it suitable for a wide range of applications, particularly in fields requiring precise analog output signals.
Introduced on May 17, 2005, the AD5445YRUZ-REEL7 operates from a 2.5V to 5.5V power supply, which makes it versatile for various power configurations, including battery-powered applications. The device features a fast parallel interface with a write cycle time of 17 ns, ensuring rapid data transfer and update rates of up to 20.4 MSPS.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Number of Bits | 12 | - |
| Number of D/A Converters | 1 | - |
| Settling Time | 120 ns | - |
| Output Type | Current – Unbuffered | - |
| Differential Output | Yes | - |
| Data Interface | Parallel | - |
| Reference Type | External | - |
| Analog Supply Voltage | 2.5V ~ 5.5V | V |
| Digital Supply Voltage | 2.5V ~ 5.5V | V |
| INL/DNL (LSB) | ±1 (Max), -1/+2 (Max) | LSB |
| Architecture | R-2R | - |
| Operating Temperature | -40°C ~ 125°C | °C |
| Package Type | 20-TSSOP (0.173, 4.40mm Width) | - |
Key Features
- High Resolution: 12-bit resolution ensuring precise analog output signals.
- Fast Interface: Fast parallel interface with a write cycle time of 17 ns, supporting update rates of up to 20.4 MSPS.
- Low Power Consumption: Typical power consumption of 0.4 µA, making it suitable for battery-powered applications.
- Extended Temperature Range: Operates over a temperature range of -40°C to +125°C).
- Power-Down Capability: Features power-down modes to reduce power consumption when not in use).
- Error-Flag Output: Provides an error-flag output for monitoring the DAC's status).
- Guaranteed Monotonicity: Ensures monotonic behavior over the entire operating range).
Applications
- Medical Instrumentation: Used in medical imaging devices, patient monitoring systems, and other diagnostic equipment to enhance accuracy and precision).
- Industrial Control Systems: Ideal for applications requiring precise voltage outputs, such as in industrial automation and control systems).
- Portable Battery-Powered Applications: Suitable for devices that require low power consumption and high performance).
- Analog Processing and Instrumentation: Used in waveform generators, programmable amplifiers, attenuators, and filters).
- Composite Video and Ultrasound: Applies to various signal processing and generation tasks in these fields).
Q & A
- What is the resolution of the AD5445YRUZ-REEL7 DAC?
The AD5445YRUZ-REEL7 has a 12-bit resolution).
- What is the operating temperature range of the AD5445YRUZ-REEL7?
The device operates over a temperature range of -40°C to +125°C).
- What type of data interface does the AD5445YRUZ-REEL7 use?
The AD5445YRUZ-REEL7 uses a parallel data interface).
- What is the typical power consumption of the AD5445YRUZ-REEL7?
The typical power consumption is 0.4 µA).
- Does the AD5445YRUZ-REEL7 support power-down modes?
Yes, the device features power-down modes to reduce power consumption when not in use).
- What is the settling time of the AD5445YRUZ-REEL7?
The settling time is 120 ns).
- Is the AD5445YRUZ-REEL7 suitable for medical instrumentation?
Yes, it is widely used in medical instrumentation for its high accuracy and precision).
- What is the package type of the AD5445YRUZ-REEL7?
The device comes in a 20-TSSOP package).
- Does the AD5445YRUZ-REEL7 have an error-flag output?
Yes, it provides an error-flag output for monitoring the DAC's status).
- What is the maximum update rate of the AD5445YRUZ-REEL7?
The maximum update rate is up to 20.4 MSPS).
