Overview
The AD7490WBCPZ, produced by Analog Devices Inc., is a 12-bit high-speed, low-power, 16-channel successive approximation Analog-to-Digital Converter (ADC). This device operates from a single 2.7 V to 5.25 V power supply and features throughput rates up to 1 MSPS. It is designed with advanced techniques to achieve very low power dissipation at high throughput rates, making it suitable for a variety of applications requiring high performance and low power consumption.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Resolution | 12-bit | |
| Number of Channels | 16 | |
| Throughput Rate | Up to 1 MSPS | |
| Power Supply Range | 2.7 V to 5.25 V | |
| Power Consumption (3 V supply) | 1.8 mA | |
| Power Consumption (5 V supply) | 2.5 mA | |
| Full Shutdown Current | 0.5 µA | |
| Input Frequency Range | Excess of 1 MHz | |
| Package Options | 32-Lead LFCSP, 28-Lead TSSOP |
Key Features
- High-speed serial interface compatible with SPI/QSPI/MICROWIRE/DSP.
- No pipeline delays, allowing for precise control of the sampling instant via the CS input.
- Low noise, wide bandwidth track-and-hold amplifier.
- Flexible power and serial clock speed management.
- Full shutdown mode for maximum power efficiency.
- VDRIVE function allows the serial interface to connect directly to either 3 V or 5 V processor systems independent of VDD.
- Channel sequencer for preprogrammed selection of channels to be converted sequentially.
- AEC-Q100 qualified for automotive applications.
Applications
- Multichannel system monitoring.
- Battery-powered equipment.
- Power line monitoring.
- Data acquisition, instrumentation, and process control.
- Automotive applications due to AEC-Q100 qualification.
Q & A
- What is the resolution of the AD7490WBCPZ ADC?
The AD7490WBCPZ has a 12-bit resolution.
- How many channels does the AD7490WBCPZ support?
The AD7490WBCPZ supports 16 single-ended analog input channels.
- What is the maximum throughput rate of the AD7490WBCPZ?
The maximum throughput rate is up to 1 MSPS.
- What is the power supply range for the AD7490WBCPZ?
The power supply range is from 2.7 V to 5.25 V.
- How much power does the AD7490WBCPZ consume at maximum throughput with a 3 V supply?
The power consumption is 1.8 mA at maximum throughput with a 3 V supply.
- What is the full shutdown current of the AD7490WBCPZ?
The full shutdown current is 0.5 µA.
- What types of packages are available for the AD7490WBCPZ?
The AD7490WBCPZ is available in 32-Lead LFCSP and 28-Lead TSSOP packages.
- Is the AD7490WBCPZ suitable for automotive applications?
Yes, the AD7490WBCPZ is AEC-Q100 qualified for automotive applications.
- How is the conversion time determined for the AD7490WBCPZ?
The conversion time is determined by the SCLK frequency, which also serves as the master clock to control the conversion.
- Does the AD7490WBCPZ have any pipeline delays?
No, the AD7490WBCPZ does not have any pipeline delays.
