Overview
The AD7694BRMZRL7 is a 16-bit, 250 kSPS (kilosamples per second) PulSAR® (Pulse Code Modulation Successive Approximation Register) analog-to-digital converter (ADC) produced by Analog Devices Inc. This component operates from a single power supply, VDD, which can range from 2.7 V to 5.25 V. It is designed for high-speed, low-power applications and features a charge redistribution successive-approximation architecture with no missing codes (B grade). The AD7694BRMZRL7 includes an internal conversion clock and a serial, SPI-compatible interface port, making it versatile for various digital systems.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Bits | 16 |
| Sampling Rate | 250 kSPS |
| Supply Voltage Range | 2.7 V to 5.25 V |
| Supply Current | 540 μA at 2.7 V/100 kSPS, 800 μA at 5 V/100 kSPS |
| Standby Current | 1 nA |
| Package Type | 8-Lead MSOP |
| Operating Temperature Range | –40°C to +85°C |
| Interface | SPI-compatible serial interface |
| Integral Nonlinearity (INL) | ±4 LSB max |
Key Features
- High-Speed Conversion: The AD7694BRMZRL7 operates at a sampling rate of 250 kSPS, making it suitable for high-speed data acquisition applications.
- Low Power Consumption: It has a low supply current of 540 μA at 2.7 V and 800 μA at 5 V, and a standby current of 1 nA, which is beneficial for battery-powered devices.
- Internal Conversion Clock: The ADC includes an internal conversion clock, eliminating the need for an external clock for the conversion process.
- SPI-Compatible Interface: The component features a serial, SPI-compatible interface port, which is compatible with various digital systems including QSPI and MICROWIRE.
- Low Noise and Wide Bandwidth: The AD7694BRMZRL7 has a low noise, wide bandwidth track-and-hold circuit, ensuring high accuracy and reliability in signal processing.
Applications
- Battery-Powered Equipment: Its low power consumption makes it ideal for battery-powered devices.
- Data Acquisition: Suitable for high-speed data acquisition systems due to its fast sampling rate.
- Instrumentation: Used in various instrumentation applications requiring precise and reliable analog-to-digital conversion.
- Medical Instruments: Applied in medical devices where high accuracy and low noise are critical.
- Process Control: Utilized in process control systems that require fast and accurate signal processing.
Q & A
- What is the sampling rate of the AD7694BRMZRL7?
The sampling rate of the AD7694BRMZRL7 is 250 kSPS.
- What is the supply voltage range for the AD7694BRMZRL7?
The supply voltage range is from 2.7 V to 5.25 V.
- What type of interface does the AD7694BRMZRL7 use?
The AD7694BRMZRL7 uses a SPI-compatible serial interface.
- What is the operating temperature range of the AD7694BRMZRL7?
The operating temperature range is from –40°C to +85°C.
- Does the AD7694BRMZRL7 have an internal conversion clock?
Yes, the AD7694BRMZRL7 includes an internal conversion clock.
- What is the standby current of the AD7694BRMZRL7?
The standby current is 1 nA.
- What package type is the AD7694BRMZRL7 available in?
The AD7694BRMZRL7 is available in an 8-Lead MSOP package.
- Is the AD7694BRMZRL7 suitable for battery-powered devices?
Yes, due to its low power consumption, it is suitable for battery-powered devices.
- What are some common applications of the AD7694BRMZRL7?
Common applications include data acquisition, instrumentation, medical instruments, and process control.
- How does the AD7694BRMZRL7 handle signal processing?
The AD7694BRMZRL7 features a low noise, wide bandwidth track-and-hold circuit, ensuring high accuracy and reliability in signal processing.
