Overview
The AD7476SRTZ-500RL7 is a high-performance, 12-bit analog-to-digital converter (ADC) manufactured by Analog Devices Inc. This device is part of the AD7476/AD7477/AD7478 family, known for its high throughput and low power consumption. The AD7476 is packaged in a compact 6-lead SOT-23 package, making it ideal for space-constrained applications. It features a successive approximation register (SAR) architecture and supports a conversion rate of up to 1 MSPS (mega samples per second). The device is designed to interface with microprocessors or digital signal processors (DSPs) and is suitable for a wide range of applications requiring high precision and low power consumption.
Key Specifications
| Parameter | Value | Unit | Comments |
|---|---|---|---|
| Resolution | 12-bit | ||
| Conversion Rate | Up to 1 MSPS | Determined by the serial clock speed | |
| Conversion Time | 800 ns max | 16 SCLK cycles with SCLK at 20 MHz | |
| Track-and-Hold Acquisition Time | 400 ns max | ||
| VDD Range | 2.35 V to 5.25 V | V | |
| Power Consumption (Normal Mode) | 2 mA typ (VDD = 2.7 V to 3.6 V), 3.5 mA max (VDD = 4.75 V to 5.25 V) | mA | fSAMPLE = 1 MSPS |
| Analog Input Range | 0 V to VDD | V | |
| Package Type | 6-Lead SOT-23 | ||
| Operating Temperature Range | -40°C to +125°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 consumption, making it suitable for battery-powered devices and other power-sensitive applications.
- Flexible Power/Serial Clock Speed Management: The conversion rate can be adjusted through the serial clock speed, allowing for dynamic management of power consumption and conversion time.
- Internal Reference: The reference voltage is taken internally from VDD, providing the widest dynamic input range from 0 V to VDD.
- No Pipeline Delays: The conversion process is initiated on the falling edge of the CS signal, with no pipeline delays, ensuring efficient data acquisition.
- Compact Package: The 6-lead SOT-23 package makes it ideal for space-constrained applications.
- Microprocessor and DSP Compatibility: The device can interface with microprocessors or DSPs, making it versatile for various system designs.
Applications
- Portable and Battery-Powered Devices: Due to its low power consumption, the AD7476 is suitable for use in portable and battery-powered devices such as medical devices, handheld instruments, and consumer electronics.
- Industrial Automation: The high precision and reliability of the AD7476 make it a good fit for industrial automation applications, including process control and monitoring systems.
- Aerospace and Defense: The device's robust performance over a wide temperature range and its compact package make it suitable for aerospace and defense applications.
- Medical Devices: The AD7476 can be used in medical devices that require high precision and low power consumption, such as patient monitoring systems and diagnostic equipment.
Q & A
- What is the resolution of the AD7476SRTZ-500RL7?
The AD7476SRTZ-500RL7 has a resolution of 12 bits.
- What is the maximum conversion rate of the AD7476SRTZ-500RL7?
The maximum conversion rate is up to 1 MSPS (mega samples per second).
- What is the package type of the AD7476SRTZ-500RL7?
The device is packaged in a 6-lead SOT-23 package.
- What is the operating temperature range of the AD7476SRTZ-500RL7?
The operating temperature range is from -40°C to +125°C.
- How is the conversion process initiated in the AD7476SRTZ-500RL7?
The conversion process is initiated on the falling edge of the CS signal.
- Does the AD7476SRTZ-500RL7 have pipeline delays?
No, there are no pipeline delays associated with this device.
- What is the power consumption of the AD7476SRTZ-500RL7 in normal mode?
The power consumption is typically 2 mA (VDD = 2.7 V to 3.6 V) and up to 3.5 mA (VDD = 4.75 V to 5.25 V) at a sample rate of 1 MSPS.
- Can the AD7476SRTZ-500RL7 interface with microprocessors or DSPs?
- What is the analog input range of the AD7476SRTZ-500RL7?
The analog input range is from 0 V to VDD.
- Is the AD7476SRTZ-500RL7 RoHS compliant?
