Overview
The AD4007BRMZ-RL7 is a high-accuracy, high-speed, low-power 18-bit successive approximation register (SAR) analog-to-digital converter (ADC) manufactured by Analog Devices Inc. This device operates from a single power supply and features an externally applied reference voltage, which can be set independently of the supply voltage. The AD4007 is part of the AD4003/AD4007/AD4011 family, known for their precision and ease of use in various applications.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 18 bits |
| Sampling Rate | Up to 1 MSPS |
| Input Type | Differential |
| Package | 10-Lead MSOP |
| Operating Temperature Range | -40°C to +125°C |
| Supply Voltage | 1.8V to 5V |
| Integral Nonlinearity Error (INL) | ±1.0 LSB |
| Common-Mode Input Range | VREF/2 ± 0.125V |
| Common-Mode Rejection Ratio (CMRR) | 68 dB at 500 kHz input frequency |
| Analog Input Current | 0.3 nA (acquisition phase), 1 μA (high-Z mode enabled, converting dc input at 2 MSPS) |
Key Features
- Easy Drive Technology: Reduces signal chain complexity and power consumption, enabling higher channel density and eliminating the need for a dedicated ADC driver.
- Input Span Compression: Allows full ADC code range access without requiring a negative supply to the ADC driver amplifier.
- Input Overvoltage Clamp: Protects ADC inputs against overvoltage events, minimizing disturbances on the reference pin and eliminating the need for external protection diodes.
- Low Power Consumption: Power scales linearly with throughput, making it suitable for battery-powered and low-power applications.
- High-Speed SPI Interface: Supports 3-wire or 4-wire SPI interface, allowing for daisy chaining and reduced digital input/output power consumption.
Applications
- Automated Test Equipment: High accuracy and speed make it ideal for precision measurement and testing.
- Machine Automation: Suitable for control systems requiring precise analog-to-digital conversion.
- Medical Equipment: Used in medical devices where high accuracy and low power consumption are critical.
- Battery-Powered Equipment: Low power consumption makes it suitable for portable and battery-powered devices.
- Precision Data Acquisition Systems: Ideal for systems requiring high-speed and high-accuracy data acquisition.
- Instrumentation and Control Systems: Used in various industrial and scientific instruments for precise measurement and control.
Q & A
- What is the resolution of the AD4007BRMZ-RL7 ADC?
The AD4007BRMZ-RL7 has a resolution of 18 bits.
- What is the maximum sampling rate of the AD4007BRMZ-RL7?
The maximum sampling rate is up to 1 MSPS.
- What type of input does the AD4007BRMZ-RL7 support?
The AD4007BRMZ-RL7 supports differential inputs.
- What is the package type of the AD4007BRMZ-RL7?
The package type is 10-Lead MSOP.
- What is the operating temperature range of the AD4007BRMZ-RL7?
The operating temperature range is -40°C to +125°C.
- What is the supply voltage range for the AD4007BRMZ-RL7?
The supply voltage range is 1.8V to 5V.
- What is the integral nonlinearity error (INL) of the AD4007BRMZ-RL7?
The INL is ±1.0 LSB.
- Does the AD4007BRMZ-RL7 require a dedicated ADC driver?
No, the Easy Drive feature eliminates the need for a dedicated ADC driver.
- What is the common-mode rejection ratio (CMRR) of the AD4007BRMZ-RL7?
The CMRR is 68 dB at 500 kHz input frequency.
- In which applications is the AD4007BRMZ-RL7 commonly used?
It is commonly used in automated test equipment, machine automation, medical equipment, battery-powered equipment, precision data acquisition systems, and instrumentation and control systems.
