Overview
The AD8804ARUZ-REEL, produced by Analog Devices Inc., is a 12-channel, 8-bit digital-to-analog converter (DAC) designed for various precision voltage adjustment applications. This component is part of the AD8802/AD8804 series, which offers independent digitally-controllable voltage outputs in a compact 20-lead package. It is ideal for replacing mechanical trimmers and potentiometers in new designs, providing a more reliable and programmable solution.
Key Specifications
| Specification | Value |
|---|---|
| Number of Channels | 12 |
| Resolution | 8 bits |
| Conversion Rate | 1.7 Msps |
| Integral Nonlinearity (INL) | ±0.5 LSB |
| Differential Nonlinearity (DNL) | ±0.25 LSB |
| Max Input Voltage | 5.5 V |
| Max Operating Temperature | 85 °C |
| Max Output Voltage | 5.5 V |
| Max Power Dissipation | 20 mW |
| Supply Voltage Range | +3 V to +5 V |
| Package Type | 20-Pin TSSOP |
| Power Shutdown Current | < 55 µW (including IDD & IREF) |
Key Features
- Low cost and replaces 12 potentiometers
- Individually programmable outputs
- 3-wire SPI compatible serial input
- Power shutdown feature with low current consumption (< 55 µW)
- Midscale preset on AD8802, separate VREFL range setting on AD8804
- Fast serial-data loading capability (up to 33 MHz)
- Constant output resistance of approximately 5 kΩ independent of code setting
- Minimized reference glitch current for reduced interference between DAC channels
Applications
- Automatic adjustment and trimmer replacement
- Video and audio equipment for gain and offset adjustment
- Portable and battery-operated equipment
- Geometric correction and automatic adjustment in CRT computer graphic displays
- Voltage controlled frequencies and bandwidths in video equipment
Q & A
- What is the resolution of the AD8804ARUZ-REEL?
The AD8804ARUZ-REEL has an 8-bit resolution.
- How many channels does the AD8804ARUZ-REEL have?
The AD8804ARUZ-REEL has 12 channels.
- What is the maximum operating temperature of the AD8804ARUZ-REEL?
The maximum operating temperature is 85 °C.
- What is the supply voltage range for the AD8804ARUZ-REEL?
The supply voltage range is +3 V to +5 V.
- Does the AD8804ARUZ-REEL support power shutdown?
- What is the package type of the AD8804ARUZ-REEL?
The package type is 20-Pin TSSOP.
- How does the AD8804ARUZ-REEL minimize interference between DAC channels?
The DAC design minimizes reference glitch current to reduce interference between DAC channels during code changes.
- Can the AD8804ARUZ-REEL be used in video equipment?
- What is the conversion rate of the AD8804ARUZ-REEL?
The conversion rate is 1.7 Msps.
- Is the AD8804ARUZ-REEL RoHS compliant?
