Overview
The AD7804BR-REEL is a 10-bit digital-to-analog converter (DAC) produced by Analog Devices Inc. This component is part of the AD7804 series, which includes quad 10-bit DACs with serial load capabilities. Although the AD7804BR-REEL is currently obsolete and no longer manufactured, it remains relevant for legacy systems and maintenance purposes.
Key Specifications
| Parameter | Value | Units | Comments |
|---|---|---|---|
| Resolution | 10 Bits | ||
| Relative Accuracy | ±4 LSB max | ||
| Gain Error | ±3 % FSR max | ||
| Bias Offset Error | ±60 mV max | DAC Code = 0.5 Full Scale | |
| Zero-Scale Error | ±35 mV max | DAC Code = 000H for Offset Binary, 200H for Twos Complement | |
| Monotonicity | 9 Bits | ||
| Minimum Load Resistance | 2 kΩ min | ||
| Supply Voltage | 3.3 V to 5.5 V (±10%) | V | AVDD and DVDD |
| Output Voltage Range | VBIAS ± 15/16 × VBIAS | V | |
| Input Leakage Current | ±10 µA max | µA | |
| Input Capacitance | 8 pF max | pF | |
| Power Consumption (Normal Mode) | 18 mA max | mA | Excluding Load Currents |
| Power Consumption (System Standby Mode) | 250 µA max | µA | |
| Power Consumption (Power-Down Mode) | 1 µA max | µA | @ +25°C |
| Operating Temperature Range | -40°C to 105°C | °C | |
| Package Type | 16-SOIC |
Key Features
- High Resolution: 10-bit resolution for precise analog output.
- Serial Load Capabilities: Allows for serial data loading, making it suitable for systems with limited I/O pins.
- On-Chip Reference: Includes an internal reference voltage, simplifying the design and reducing external component count.
- Buffered Voltage Output: Provides a buffered voltage output, ensuring stable and accurate analog signals.
- Low Power Consumption: Offers low power consumption in normal, standby, and power-down modes.
- Wide Operating Temperature Range: Operates over a wide temperature range of -40°C to 105°C, making it suitable for various environmental conditions.
- Double Buffered Data Inputs: Allows all analog outputs to be simultaneously updated using the asynchronous LDAC input.
Applications
- Industrial Control Systems: Used in control and monitoring systems due to its precision and reliability.
- Medical Equipment: Suitable for medical devices requiring accurate and stable analog outputs.
- Instrumentation: Ideal for various measurement and testing instruments.
- Consumer Electronics: Can be used in consumer electronics that require high precision and low power consumption.
Q & A
- What is the resolution of the AD7804BR-REEL?
The AD7804BR-REEL has a 10-bit resolution. - What is the supply voltage range for the AD7804BR-REEL?
The supply voltage range is 3.3 V to 5.5 V (±10%). - Does the AD7804BR-REEL have an internal reference voltage?
Yes, it includes an on-chip reference voltage. - What is the operating temperature range of the AD7804BR-REEL?
The operating temperature range is -40°C to 105°C. - Is the AD7804BR-REEL still in production?
No, the AD7804BR-REEL is currently obsolete and no longer manufactured. - What type of package does the AD7804BR-REEL come in?
The AD7804BR-REEL comes in a 16-SOIC package. - What are the power consumption modes of the AD7804BR-REEL?
The AD7804BR-REEL has normal, system standby, and power-down modes with respective power consumptions. - Is the AD7804BR-REEL suitable for high-speed applications?
While it is not specifically highlighted for high-speed applications, it is designed for precision and reliability. - Can the AD7804BR-REEL be used in medical equipment?
Yes, it is suitable for medical equipment due to its precision and stable analog outputs. - What is the minimum load resistance for the AD7804BR-REEL?
The minimum load resistance is 2 kΩ.
