CHIP CARRIER, HEAT SINK/SLUG, VERY VERY THIN PROFIL
Sample Rate:
1 MHz
Sample and Hold / Track and Hold:
TRACK
Seated Height-Max:
0.8 mm
Supply Current-Max:
2.5 mA
Supply Voltage-Nom:
3 V
Surface Mount:
YES
Terminal Form:
NO LEAD
Terminal Pitch:
0.5 mm
Terminal Position:
QUAD
Width:
5 mm
AD7490WBCPZ Frequently Asked Questions (FAQs)
A good layout and routing practice for the AD7490WBCPZ involves keeping the analog and digital grounds separate, using a solid ground plane, and minimizing the length of the analog signal traces. Additionally, it's recommended to use a 4-layer PCB with a dedicated analog power plane and a dedicated digital power plane.
The AD7490WBCPZ can be configured for different voltage ranges and input types by adjusting the gain and offset settings. For example, to measure a 0-5V input signal, the gain can be set to 1 and the offset can be set to 0. For a 0-10V input signal, the gain can be set to 0.5 and the offset can be set to 0.5. The datasheet provides more information on how to calculate the gain and offset settings for different input ranges.
The maximum sampling rate of the AD7490WBCPZ is 1 MSPS. The power consumption of the device increases with the sampling rate, so it's recommended to use the lowest sampling rate necessary for the application to minimize power consumption. At 1 MSPS, the power consumption is typically around 15mW.
The AD7490WBCPZ can be interfaced with a microcontroller or FPGA using a serial peripheral interface (SPI) or inter-integrated circuit (I2C) interface. The device requires a clock signal, a chip select signal, and data in/data out signals to operate. The datasheet provides more information on the interface timing and protocol.
The AD7490WBCPZ has a typical accuracy of ±0.5 LSB and a linearity of ±0.5 LSB. This means that the device can accurately measure input signals with a high degree of precision. However, the accuracy and linearity can be affected by factors such as temperature, noise, and input signal quality. It's recommended to calibrate the device and use averaging or filtering techniques to improve the measurement results.
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AD7490WBCPZ Overview
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About Analog Devices
Analog Devices Inc. is a global leader in the design and manufacturing of analog, mixed-signal, and digital signal processing integrated circuits and software solutions for the industrial, automotive, healthcare, communications industries. Analog Devices serves a diverse range of markets including industrial, automotive, healthcare, energy, aerospace, defense, and consumer electronics industries.
Analog Devices’ product portfolio includes a wide range of ICs, modules, and subsystems.
