Overview
The AD7943BRS-REEL is a 12-bit multiplying Digital-to-Analog Converter (DAC) produced by Analog Devices Inc. This component is part of the AD7943 series, which includes the AD7943, AD7945, and AD7948. The AD7943 is designed to operate from a single +3.3 V to +5 V supply and features a serial interface. It is intended to replace industry-standard DACs like the AD7543, offering superior speed and power consumption performance.
Key Specifications
| Parameter | Value | Units | Test Conditions/Comments |
|---|---|---|---|
| Resolution | 12 bits | ||
| Output Voltage Settling Time | 600 ns (typ) | ns | To 0.01% of Full-Scale Range, VREF = +10 V |
| Digital to Analog Glitch Impulse | 60 nV-s (typ) | nV-s | Measured with VREF = 0 V |
| Supply Voltage | +3 V to +5.5 V | V | Normal Mode and Biased Mode |
| Package Types | 16-pin DIP, 16-pin SOP, 20-pin SSOP | ||
| Data Setup Time | 15 ns (min) | ns | |
| Data Hold Time | 35 ns (min) | ns | |
| STB Pulsewidth | 2 ns (min) | ns |
Key Features
- 12-bit resolution with serial interface
- Single +3.3 V to +5 V supply operation
- Fast output voltage settling time of 600 ns (typ) to 0.01% of full-scale range
- Low digital to analog glitch impulse of 60 nV-s (typ)
- Available in 16-pin DIP, 16-pin SOP, and 20-pin SSOP packages
- RoHS compliant
- Superior speed and power consumption performance compared to industry-standard DACs like AD7543
Applications
The AD7943BRS-REEL is suitable for various applications requiring precise digital-to-analog conversion, such as:
- Industrial control systems
- Medical devices
- Aerospace and defense systems
- Automotive systems
- Test and measurement equipment
Q & A
- What is the resolution of the AD7943BRS-REEL?
The AD7943BRS-REEL has a resolution of 12 bits. - What are the available package types for the AD7943BRS-REEL?
The AD7943BRS-REEL is available in 16-pin DIP, 16-pin SOP, and 20-pin SSOP packages. - What is the typical output voltage settling time of the AD7943BRS-REEL?
The typical output voltage settling time is 600 ns to 0.01% of full-scale range. - What is the supply voltage range for the AD7943BRS-REEL?
The supply voltage range is +3 V to +5.5 V. - Is the AD7943BRS-REEL RoHS compliant?
Yes, the AD7943BRS-REEL is RoHS compliant. - What are some typical applications for the AD7943BRS-REEL?
Typical applications include industrial control systems, medical devices, aerospace and defense systems, automotive systems, and test and measurement equipment. - How does the AD7943BRS-REEL compare to industry-standard DACs like the AD7543?
The AD7943BRS-REEL offers superior speed and power consumption performance compared to industry-standard DACs like the AD7543. - What is the digital to analog glitch impulse of the AD7943BRS-REEL?
The digital to analog glitch impulse is 60 nV-s (typ). - What are the minimum data setup and hold times for the AD7943BRS-REEL?
The minimum data setup time is 15 ns, and the minimum data hold time is 35 ns. - What is the STB pulsewidth for the AD7943BRS-REEL?
The STB pulsewidth is 2 ns (min).
