Overview
The AD7476ARTZ-500RL7 is a 12-bit, 1 MSPS (Mega Samples Per Second) Analog-to-Digital Converter (ADC) manufactured by Analog Devices Inc. This component is packaged in a 6-lead SOT-23 package, making it highly compact and suitable for space-constrained applications. The ADC features a single-ended analog input channel and operates over a wide voltage range from 2.7 V to 5.25 V. It is designed to interface with microprocessors or DSPs, utilizing a serial clock (SCLK) and chip select (CS) for data acquisition and conversion control.
Key Specifications
| Parameter | Value | Unit | Comments |
|---|---|---|---|
| Resolution | 12-bit | ||
| Conversion Rate | 1 MSPS | ||
| Supply Voltage (VDD) | 2.7 to 5.25 | V | |
| Analog Input Range | 0 V to VDD | V | |
| Conversion Time | 800 ns max | ns | 16 SCLK cycles with SCLK at 20 MHz |
| Track-and-Hold Acquisition Time | 400 ns max | ns | |
| 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 | |
| Package Type | 6-Lead SOT-23 | ||
| Operating Temperature Range | -40°C to +85°C | °C |
Key Features
- High Throughput with Low Power Consumption: The AD7476ARTZ-500RL7 achieves high conversion rates of up to 1 MSPS while maintaining low power dissipation, making it suitable for power-sensitive 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 non-conversion periods.
- Internal Reference: The ADC uses an internal reference derived from VDD, providing a wide dynamic input range from 0 V to VDD.
- No Pipeline Delays: The conversion process is initiated on the falling edge of CS, with no pipeline delays, ensuring real-time data acquisition.
- Compact Package: The 6-lead SOT-23 package is ideal for applications where space is limited.
Applications
- Industrial Automation: Suitable for data acquisition and control systems in industrial environments.
- Medical Devices: Can be used in medical equipment requiring precise and fast analog-to-digital conversion.
- Aerospace and Defense: Applicable in various aerospace and defense systems due to its robust performance and compact size.
- Consumer Electronics: Used in consumer devices that require high-speed and low-power ADCs, such as audio and video equipment.
Q & A
- What is the resolution of the AD7476ARTZ-500RL7 ADC?
The AD7476ARTZ-500RL7 has a 12-bit resolution.
- What is the maximum conversion rate of the AD7476ARTZ-500RL7?
The maximum conversion rate is 1 MSPS.
- What is the supply voltage range for the AD7476ARTZ-500RL7?
The supply voltage range is from 2.7 V to 5.25 V.
- What is the analog input range for the AD7476ARTZ-500RL7?
The analog input range is from 0 V to VDD.
- How is the conversion process controlled in the AD7476ARTZ-500RL7?
The conversion process is controlled using the chip select (CS) and the serial clock (SCLK).
- What is the typical power consumption of the AD7476ARTZ-500RL7 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 package type of the AD7476ARTZ-500RL7?
The package type is a 6-lead SOT-23.
- What is the operating temperature range of the AD7476ARTZ-500RL7?
The operating temperature range is from -40°C to +85°C.
- Does the AD7476ARTZ-500RL7 have pipeline delays?
No, the AD7476ARTZ-500RL7 does not have pipeline delays.
- How is the reference voltage for the AD7476ARTZ-500RL7 generated?
The reference voltage is generated internally from VDD.
