Overview
The AD4001BRMZ-RL7 is a 16-bit, 2 MSPS (Mega Samples Per Second), precision successive approximation register (SAR) analog-to-digital converter (ADC) produced by Analog Devices Inc. This device is designed for high-speed, low-power applications and features ease of use and reduced signal chain complexity. It operates from a single 1.8 V supply and supports a fully differential input range with an externally applied reference voltage (VREF) that can be set independently of the supply voltage.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Resolution | 16 | - | - | Bits |
| Sampling Rate | - | 2 | - | MSPS |
| Analog Input Voltage Range | -VREF | - | +VREF | V |
| Operating Input Voltage | -0.1 VREF + 0.1 | - | 0.1 x VREF to 0.9 x VREF | V |
| Common-Mode Input Range | VREF/2 - 0.125 | - | VREF/2 + 0.125 | V |
| Common-Mode Rejection Ratio (CMRR) | - | 68 | - | dB |
| Analog Input Current (Acquisition Phase) | - | 0.3 | - | μA |
| Power Consumption | - | 16 | - | mW |
| Integral Nonlinearity Error (INL) | - | ±0.4 | - | LSB |
| Signal-to-Noise Ratio (SNR) | - | 96.2 | - | dB |
| Operating Temperature Range | -40 | - | 125 | °C |
| Package Type | - | 10-Lead MSOP | - | - |
Key Features
- High-Speed and Low Power: The AD4001 operates at 2 MSPS with a power consumption of only 16 mW, making it suitable for high-speed, low-power applications.
- Easy Drive Technology: This feature reduces signal chain complexity and power consumption by eliminating the need for a dedicated high-power ADC driver. It also broadens the range of low-power precision amplifiers that can drive the ADC directly.
- Input Span Compression: This feature allows the ADC driver amplifier and the ADC to operate off common supply rails without the need for a negative supply, preserving the full ADC code range.
- High-Z Mode: Coupled with a long acquisition phase, this mode reduces the input current, further simplifying the signal chain.
- Flexible Serial Interface: The SPI-compatible serial interface supports seven different modes, including daisy-chaining multiple ADCs on a single 3-wire bus and an optional busy indicator.
- Multi-Voltage Logic Compatibility: The device is compatible with 1.8 V, 2.5 V, 3 V, and 5 V logic using a separate VIO supply.
Applications
- Industrial Automation: Suitable for high-precision measurement and control systems.
- Medical Devices: Ideal for medical imaging, patient monitoring, and other medical diagnostic equipment.
- Aerospace and Defense: Used in various military and aerospace applications requiring high accuracy and reliability.
- Automotive Systems: Applicable in advanced driver-assistance systems (ADAS) and other automotive electronics.
- Test and Measurement Equipment: Utilized in high-precision test and measurement instruments.
Q & A
- What is the resolution of the AD4001 ADC?
The AD4001 has a resolution of 16 bits.
- What is the maximum sampling rate of the AD4001?
The AD4001 can sample at up to 2 MSPS.
- What is the power consumption of the AD4001 at 2 MSPS?
The power consumption is 16 mW at 2 MSPS.
- What is the input voltage range of the AD4001?
The input voltage range is from -VREF to +VREF, where VREF can be set between 2.4 V and 5.1 V.
- Does the AD4001 require a dedicated ADC driver?
No, the AD4001's Easy Drive technology and high-Z mode eliminate the need for a dedicated high-power ADC driver.
- What is the operating temperature range of the AD4001?
The operating temperature range is from -40°C to +125°C.
- Is the AD4001 compatible with multiple logic voltage levels?
Yes, it is compatible with 1.8 V, 2.5 V, 3 V, and 5 V logic using a separate VIO supply.
- What is the common-mode rejection ratio (CMRR) of the AD4001?
The CMRR is 68 dB at fIN = 500 kHz.
- Can multiple AD4001 ADCs be daisy-chained?
Yes, multiple ADCs can be daisy-chained on a single 3-wire bus using the SPI-compatible serial interface.
- What is the signal-to-noise ratio (SNR) of the AD4001?
The typical SNR is 96.2 dB.
