Overview
The AD7475BRM from Analog Devices Inc. is a 12-bit, high-speed, low-power successive-approximation analog-to-digital converter (ADC). This component is designed to convert analog signals into digital signals, facilitating their processing and analysis by digital systems. The AD7475BRM operates from a single 2.7 V to 5.25 V power supply and features a throughput rate of up to 1 MSPS (Mega Samples Per Second), making it suitable for a variety of high-speed applications.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Part Number | AD7475BRM |
| Package | TSSOP-8, SOIC-8 |
| Number of Bits | 12 |
| Throughput Rate | Up to 1 MSPS |
| Power Supply | 2.7 V to 5.25 V |
| Power Consumption | 4.5 mW (max) at 1 MSPS with 3 V supply, 10.5 mW (max) at 1 MSPS with 5 V supply |
| Input Range | 0 V to REF IN |
| Operating Temperature | -40°C to +85°C |
| Interface | SPI™/QSPI™/MICROWIRE™/DSP-Compatible |
| Standby Current | 1 µA (max) |
Key Features
- High Throughput Rate: Up to 1 MSPS, allowing for fast data conversion and processing.
- Low Power Consumption: 4.5 mW (max) at 1 MSPS with 3 V supply and 10.5 mW (max) at 1 MSPS with 5 V supply, making it energy-efficient.
- Single-Supply Operation: Operates from a single 2.7 V to 5.25 V power supply with a VDRIVE function to interface with 3 V or 5 V processor systems.
- No Pipeline Delays: Features a standard successive-approximation ADC architecture with accurate control of the sampling instant via a CS input.
- Flexible Power/Serial Clock Speed Management: Allows the conversion time to be reduced through the serial clock speed increase and features shutdown modes for power efficiency.
- High-Speed Serial Interface: Compatible with SPI™/QSPI™/MICROWIRE™/DSP interfaces.
- On-Board Reference (for AD7495): The AD7495 has an on-board 2.5 V reference, while the AD7475 requires an external reference.
Applications
- Communication Systems: Suitable for high-speed data conversion in communication devices.
- Industrial Control Systems: Used in industrial control and automation due to its high accuracy and speed.
- Measuring Instruments: Ideal for precision measurement instruments requiring fast and accurate data conversion.
- Consumer Electronics: Applied in various consumer electronic devices that require high-speed ADCs.
- Medical Instruments: Used in medical devices for precise and fast data acquisition.
- Audio Processing: Suitable for audio processing applications requiring high-speed and low-noise ADCs.
- Automotive Electronics: Used in automotive systems for data acquisition and processing.
- Data Acquisition Systems: Ideal for high-speed data acquisition systems.
- Battery-Powered Systems: Suitable for battery-powered devices due to its low power consumption.
Q & A
- What is the AD7475BRM used for?
The AD7475BRM is a 12-bit analog-to-digital converter (ADC) used to convert analog signals into digital signals for processing and analysis by digital systems.
- What is the throughput rate of the AD7475BRM?
The AD7475BRM has a throughput rate of up to 1 MSPS (Mega Samples Per Second).
- What is the power supply range for the AD7475BRM?
The AD7475BRM operates from a single 2.7 V to 5.25 V power supply.
- What is the power consumption of the AD7475BRM?
The power consumption is 4.5 mW (max) at 1 MSPS with 3 V supply and 10.5 mW (max) at 1 MSPS with 5 V supply.
- Does the AD7475BRM have pipeline delays?
No, the AD7475BRM does not have pipeline delays.
- What types of interfaces does the AD7475BRM support?
The AD7475BRM supports SPI™/QSPI™/MICROWIRE™/DSP-Compatible interfaces.
- What is the operating temperature range of the AD7475BRM?
The operating temperature range is -40°C to +85°C.
- What are some common applications of the AD7475BRM?
Common applications include communication systems, industrial control systems, measuring instruments, consumer electronics, medical instruments, audio processing, and automotive electronics.
- Does the AD7475BRM have an on-board reference voltage?
No, the AD7475BRM requires an external reference voltage, while the AD7495 has an on-board 2.5 V reference.
- What is the standby current of the AD7475BRM?
The standby current is 1 µA (max)).
