Overview
The AD7908BRU-REEL, manufactured by Analog Devices Inc., is an 8-bit, high-speed, low-power analog-to-digital converter (ADC) designed for a variety of applications. This successive approximation register (SAR) ADC operates from a single 2.7 V to 5.25 V power supply and features a throughput rate of up to 1 MSPS. The device includes eight single-ended analog inputs with a channel sequencer, allowing for sequential conversion of preprogrammed channels. The AD7908BRU-REEL is packaged in a 20-lead TSSOP, making it suitable for surface mount applications and ensuring efficient heat dissipation and ease of use in circuit boards.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Package | 20-Lead TSSOP |
| Number of Bits | 8 |
| Architecture | SAR (Successive Approximation Register) |
| Configuration | MUX-S/H-ADC |
| Data Interface | SPI, DSP |
| Input Type | Single Ended |
| Number of Inputs | 8 |
| Operating Temperature | -40°C to +85°C |
| Voltage - Supply, Analog/Digital | 2.7 V to 5.25 V |
| Sampling Rate (Per Second) | Up to 1 MSPS |
| Reference Type | External |
| Mounting Type | Surface Mount |
Key Features
- High-speed conversion with throughput rates up to 1 MSPS.
- Low power consumption: 2 mA maximum with 3 V supplies and 2.7 mA maximum with 5 V supplies.
- Eight single-ended analog inputs with a channel sequencer for sequential conversion.
- Flexible power and serial clock speed management.
- No pipeline delays.
- High-speed serial interface compatible with SPI, QSPI, MICROWIRE, and DSP.
- Shutdown mode with a maximum current of 0.5 μA.
- Low noise, wide bandwidth track-and-hold amplifier capable of handling input frequencies over 8 MHz.
Applications
- Communication systems
- Industrial control systems
- Measuring instruments
- Consumer electronics
- Data acquisition systems
- Medical instruments
- Audio processing
- Automotive electronics
Q & A
- What is the primary function of the AD7908BRU-REEL?
The AD7908BRU-REEL is an analog-to-digital converter (ADC) that converts analog signals into digital signals for processing and analysis by digital systems.
- What is the architecture of the AD7908BRU-REEL?
The AD7908BRU-REEL uses a successive approximation register (SAR) architecture.
- How many analog inputs does the AD7908BRU-REEL have?
The AD7908BRU-REEL has eight single-ended analog inputs.
- What is the maximum sampling rate of the AD7908BRU-REEL?
The maximum sampling rate is up to 1 MSPS.
- What are the operating temperature ranges for the AD7908BRU-REEL?
The operating temperature range is -40°C to +85°C.
- What type of data interface does the AD7908BRU-REEL support?
The AD7908BRU-REEL supports SPI, QSPI, MICROWIRE, and DSP interfaces.
- Is the AD7908BRU-REEL RoHS compliant?
Yes, the AD7908BRU-REEL is RoHS compliant.
- What is the power supply range for the AD7908BRU-REEL?
The power supply range is 2.7 V to 5.25 V for both analog and digital supplies.
- Does the AD7908BRU-REEL have any pipeline delays?
No, the AD7908BRU-REEL does not have any pipeline delays.
- What is the typical power consumption of the AD7908BRU-REEL?
The typical power consumption is 2 mA maximum with 3 V supplies and 2.7 mA maximum with 5 V supplies.
