Overview
The AD7476SRTZ-REEL7 is a high-performance, 12-bit successive approximation register (SAR) analog-to-digital converter (ADC) produced by Analog Devices Inc. This component is designed to offer high throughput rates with low power consumption, making it suitable for a variety of applications requiring precise and efficient data acquisition. The ADC is packaged in a compact 6-lead SOT-23 package, which is ideal for space-constrained designs. The device operates over a wide temperature range of -40°C to +125°C and is RoHS compliant, ensuring environmental sustainability and regulatory compliance.
Key Specifications
| Parameter | Value | Unit | Comments |
|---|---|---|---|
| Resolution | 12-bit | ||
| Conversion Rate | 1 MSPS (Maximum) | Determined by the serial clock speed | |
| Conversion Time | 800 ns (Maximum) | 16 SCLK cycles with SCLK at 20 MHz | |
| Track-and-Hold Acquisition Time | 400 ns (Maximum) | ||
| Analog Input Range | 0 V to VDD | Internal reference from VDD | |
| Supply Voltage (VDD) | 2.7 to 5.25 V | V | |
| Power Consumption (Normal Mode) | 2 mA (Typical at VDD = 2.7 V to 3.6 V) | mA | SCLK on or off |
| Power Consumption (Operational Mode) | 3.5 mA (Maximum at VDD = 4.75 V to 5.25 V, fSAMPLE = 1 MSPS) | mA | |
| Package Type | 6-Lead SOT-23 | ||
| Operating Temperature Range | -40°C to +125°C | °C | |
| RoHS Compliance | Yes |
Key Features
- High Throughput Rate: The AD7476SRTZ-REEL7 achieves a maximum throughput rate of 1 MSPS, making it suitable for high-speed data acquisition applications.
- Low Power Consumption: The device is designed to consume low power, with typical current consumption of 2 mA in normal mode and 3.5 mA in operational mode at maximum sampling rates.
- Compact Package: The 6-lead SOT-23 package is ideal for space-constrained designs, allowing for efficient use of board space.
- Flexible Power and Serial Clock Management: The conversion rate can be adjusted through the serial clock speed, enabling flexible power management and reduced average power consumption during idle 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 the chip select (CS) signal, with no pipeline delays, ensuring real-time data acquisition.
Applications
The AD7476SRTZ-REEL7 is versatile and can be used in a variety of applications, including:
- Industrial Automation: For precise measurement and control in industrial environments.
- Medical Devices: In medical equipment requiring high accuracy and low power consumption.
- Automotive Systems: For data acquisition in automotive systems where space and power efficiency are critical.
- Consumer Electronics: In devices such as audio equipment, gaming consoles, and other consumer electronics requiring high-speed ADCs.
- Embedded Systems: In microcontroller-based systems where compact, low-power ADCs are necessary.
Q & A
- What is the resolution of the AD7476SRTZ-REEL7 ADC?
The AD7476SRTZ-REEL7 has a 12-bit resolution. - What is the maximum conversion rate of the AD7476SRTZ-REEL7?
The maximum conversion rate is 1 MSPS. - What is the package type of the AD7476SRTZ-REEL7?
The package type is a 6-lead SOT-23. - What is the operating temperature range of the AD7476SRTZ-REEL7?
The operating temperature range is -40°C to +125°C. - Is the AD7476SRTZ-REEL7 RoHS compliant?
Yes, the AD7476SRTZ-REEL7 is RoHS compliant. - How is the conversion process initiated in the AD7476SRTZ-REEL7?
The conversion process is initiated on the falling edge of the chip select (CS) signal. - What is the typical power consumption of the AD7476SRTZ-REEL7 in normal mode?
The typical power consumption in normal mode is 2 mA at VDD = 2.7 V to 3.6 V. - Can the conversion rate be adjusted in the AD7476SRTZ-REEL7?
Yes, the conversion rate can be adjusted through the serial clock speed. - What is the analog input range of the AD7476SRTZ-REEL7?
The analog input range is from 0 V to VDD. - Are there any pipeline delays in the AD7476SRTZ-REEL7?
No, there are no pipeline delays associated with this ADC.
