Overview
The AD7945BRSZ-REEL is a 12-bit multiplying digital-to-analog converter (DAC) manufactured by Analog Devices Inc. This component is part of the AD7943/AD7945/AD7948 family, known for their high performance and versatility in various applications. The AD7945BRSZ-REEL operates with both 3.3V and 5V supply voltages, making it suitable for a wide range of digital-to-analog conversion needs. It features a parallel interface for word input loading and is packaged in a 20-lead SSOP (Shrink Small Outline Package), which is RoHS compliant.
Key Specifications
| Parameter | Value | Units | Comments |
|---|---|---|---|
| Resolution | 12 | Bits | |
| Supply Voltage (Digital and Analog) | 4.5 to 5.5 | V | |
| Settling Time | 600 µs (Typ) | µs | |
| Output Type | Current - Unbuffered | ||
| Reference Type | External | ||
| Package | 20-SSOP (0.209", 5.30mm Width) | ||
| Operating Temperature | -40°C to 85°C | °C | |
| INL/DNL (LSB) | ±0.5 (Max) | LSB | |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
Key Features
- High Resolution: 12-bit resolution providing precise digital-to-analog conversion.
- Parallel Interface: Supports word input loading for efficient data transfer.
- Dual Supply Voltage: Operates with both 3.3V and 5V supply voltages, enhancing flexibility in system design.
- Fast Settling Time: Typical settling time of 600 µs ensures rapid conversion and high throughput.
- External Reference: Allows for external voltage reference, enabling better control over output accuracy.
- RoHS Compliant: Packaged in a 20-lead SSOP, which is RoHS compliant, making it suitable for environmentally friendly designs.
- Low Power Consumption: Low current consumption, typically around 5 µA, making it energy-efficient.
Applications
- Industrial Control Systems: Used in control systems that require precise analog outputs from digital signals.
- Medical Devices: Suitable for medical equipment where accurate and reliable digital-to-analog conversion is critical.
- Aerospace and Defense: Employed in various aerospace and defense applications requiring high precision and reliability.
- Automotive Systems: Used in automotive systems for converting digital signals to analog outputs, such as in engine control units.
- Test and Measurement Equipment: Utilized in test and measurement equipment to generate precise analog signals from digital inputs.
Q & A
- What is the resolution of the AD7945BRSZ-REEL?
The AD7945BRSZ-REEL has a 12-bit resolution.
- What are the supply voltage ranges for the AD7945BRSZ-REEL?
The supply voltage ranges are 4.5V to 5.5V for both digital and analog supplies.
- What is the typical settling time of the AD7945BRSZ-REEL?
The typical settling time is 600 µs.
- What type of output does the AD7945BRSZ-REEL provide?
The output is current - unbuffered.
- Is the AD7945BRSZ-REEL RoHS compliant?
Yes, the AD7945BRSZ-REEL is RoHS compliant.
- What is the operating temperature range of the AD7945BRSZ-REEL?
The operating temperature range is -40°C to 85°C.
- What is the INL/DNL (LSB) of the AD7945BRSZ-REEL?
The INL/DNL is ±0.5 (Max) LSB.
- What is the moisture sensitivity level (MSL) of the AD7945BRSZ-REEL?
The MSL is 1 (Unlimited).
- What type of package does the AD7945BRSZ-REEL come in?
The AD7945BRSZ-REEL comes in a 20-lead SSOP package.
- What are some common applications of the AD7945BRSZ-REEL?
Common applications include industrial control systems, medical devices, aerospace and defense, automotive systems, and test and measurement equipment.
