Overview
The AD7808BR-REEL is a component that was previously part of Analog Devices Inc.'s product lineup, but it is now obsolete and no longer manufactured. Here is an overview of what this component was designed for, based on similar models and the general context of Analog Devices' products.
The AD7808 series, although obsolete, was part of a family of digital-to-analog converters (DACs). These components were designed to provide high precision and reliability in converting digital signals to analog outputs.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Number of Channels | 8 | |
| Resolution | 10-bit | |
| Load Resistance | 2 kΩ (minimum) | Ω |
| Output Voltage Range | VBIAS ± 15/16 × VBIAS | V |
| Output Settling Time | 4 µs (maximum) | µs |
| Slew Rate | 2.5 V/µs (typical) | V/µs |
| Digital Feedthrough | 0.5 nV-s (typical) | nV-s |
| Analog Crosstalk | ±0.2 LSB (typical) | LSB |
| DC Output Impedance | 2 Ω (typical) | Ω |
| Power Supply Rejection Ratio | 0.002 %/% (typical) | %/% |
| Power Supply Voltage | 3.3 V to 5 V (±10%) | V |
| Operating Temperature Range | -40°C to +85°C | °C |
| Storage Temperature Range | -65°C to +150°C | °C |
Key Features
- High Precision: The AD7808 series was designed to offer high precision in digital-to-analog conversion, making it suitable for applications requiring accurate analog outputs.
- Serial Load Capabilities: These DACs had the capability to load data serially, which is useful in systems where data is transmitted serially.
- On-Chip Reference: The components included an on-chip reference, which helped in maintaining stable output voltages.
- Low Power Consumption: The AD7808 series operated in various power modes, including normal, standby, and power-down modes, to minimize power consumption.
- Multiple Control Registers: The system included system control and channel control registers, allowing for detailed control over the DACs.
Applications
- Industrial Control Systems: High precision DACs like the AD7808 series are often used in industrial control systems where accurate analog outputs are crucial.
- Medical Devices: These components can be used in medical devices that require precise analog signals.
- Aerospace and Defense: The high reliability and precision of these DACs make them suitable for aerospace and defense applications.
- Automotive Systems: They can be used in automotive systems that require accurate analog outputs.
Q & A
- Q1: What is the resolution of the AD7808BR-REEL?
A1: The AD7808BR-REEL has a resolution of 10 bits. - Q2: What is the typical output settling time of the AD7808BR-REEL?
A2: The typical output settling time is 4 µs. - Q3: What is the power supply voltage range for the AD7808BR-REEL?
A3: The power supply voltage range is 3.3 V to 5 V (±10%). - Q4: Is the AD7808BR-REEL still in production?
A4: No, the AD7808BR-REEL is obsolete and no longer manufactured. - Q5: What is the operating temperature range for the AD7808BR-REEL?
A5: The operating temperature range is -40°C to +85°C. - Q6: What type of load does the AD7808BR-REEL support?
A6: The AD7808BR-REEL supports serial load capabilities. - Q7: Does the AD7808BR-REEL have an on-chip reference?
A7: Yes, the AD7808BR-REEL includes an on-chip reference. - Q8: What is the typical slew rate of the AD7808BR-REEL?
A8: The typical slew rate is 2.5 V/µs. - Q9: What is the minimum load resistance for the AD7808BR-REEL?
A9: The minimum load resistance is 2 kΩ. - Q10: What are some common applications for the AD7808 series?
A10: Common applications include industrial control systems, medical devices, aerospace and defense, and automotive systems.
