Overview
The AD7476ARTZ-REEL7 is a 12-bit, 1 MSPS (Mega Samples Per Second) Analog-to-Digital Converter (ADC) produced by Analog Devices Inc. This component is notable for its high throughput and low power consumption, making it suitable for a variety of applications requiring precise and efficient analog-to-digital conversion.
The AD7476 is part of the AD7476/AD7477/AD7478 family, which includes 12-bit, 10-bit, and 8-bit ADCs, all packaged in a compact 6-lead SOT-23 package. This design allows for high performance in a small footprint, which is beneficial for space-constrained designs.
Key Specifications
| Parameter | Value | Unit | Test Conditions/Comments |
|---|---|---|---|
| Resolution | 12 bits | - | - |
| Conversion Rate | 1 MSPS | - | Determined by SCLK |
| Conversion Time | 800 ns max | - | 16 SCLK cycles with SCLK at 20 MHz |
| Track-and-Hold Acquisition Time | 400 ns max | - | - |
| VDD Range | 2.7 to 5.25 V | V | - |
| Power Consumption (Normal Mode, Static) | 2 mA typ (VDD = 4.75 V to 5.25 V) | mA | SCLK on or off |
| Power Consumption (Normal Mode, Operational) | 3.5 mA max (VDD = 4.75 V to 5.25 V, fSAMPLE = 1 MSPS) | mA | - |
| Analog Input Range | 0 V to VDD | V | - |
| Output Coding | Straight (Natural) Binary | - | - |
| Package Type | 6-Lead SOT-23 | - | - |
| Operating Temperature Range | -40°C to +85°C | °C | - |
Key Features
- High Throughput with Low Power Consumption: The AD7476 achieves high conversion rates of up to 1 MSPS while maintaining low power dissipation, making it efficient for various applications.
- Flexible Power and Serial Clock Speed Management: The conversion rate can be adjusted through the serial clock speed, allowing for reduced power consumption during idle periods.
- Compact Package: The 6-lead SOT-23 package is ideal for space-constrained designs, offering high performance in a small footprint.
- No Pipeline Delays: The conversion process is initiated on the falling edge of the CS signal, with no pipeline delays, ensuring real-time data acquisition.
- Internal Reference: The reference voltage is taken internally from VDD, providing the widest dynamic input range for the ADC.
Applications
- Industrial Automation: Suitable for monitoring and control systems in industrial environments due to its high accuracy and reliability.
- Medical Devices: Used in medical equipment requiring precise analog-to-digital conversion, such as patient monitoring systems.
- Aerospace and Defense: Ideal for applications in harsh environments due to its wide operating temperature range and robust design.
- Automotive Systems: Applicable in automotive sensors and control systems where high throughput and low power consumption are critical.
- Consumer Electronics: Used in various consumer devices requiring efficient and accurate analog-to-digital conversion.
Q & A
- What is the resolution of the AD7476ARTZ-REEL7?
The AD7476ARTZ-REEL7 has a resolution of 12 bits.
- What is the maximum conversion rate of the AD7476ARTZ-REEL7?
The maximum conversion rate is 1 MSPS (Mega Samples Per Second).
- What is the typical power consumption of the AD7476ARTZ-REEL7 in normal mode?
The typical power consumption in normal mode (static) is 2 mA at VDD = 4.75 V to 5.25 V.
- What is the operating temperature range of the AD7476ARTZ-REEL7?
The operating temperature range is -40°C to +85°C.
- What is the package type of the AD7476ARTZ-REEL7?
The package type is 6-lead SOT-23.
- How is the conversion process initiated in the AD7476ARTZ-REEL7?
The conversion process is initiated on the falling edge of the CS signal.
- Does the AD7476ARTZ-REEL7 have pipeline delays?
No, the AD7476ARTZ-REEL7 does not have pipeline delays.
- What is the analog input range for the AD7476ARTZ-REEL7?
The analog input range is from 0 V to VDD.
- How is the reference voltage for the AD7476ARTZ-REEL7 generated?
The reference voltage is taken internally from VDD.
- What is the output coding format of the AD7476ARTZ-REEL7?
The output coding format is Straight (Natural) Binary.
