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ADS7822E/2K5
NTD $136
20000 Available
Description:Texas-Instruments
Features for the ADS7822
- 200kHz Sampling Rate
- microPower:
- 1.6mW at 200kHz
- 0.54mW at 75kHz
- 0.06mW at 7.5kHz
- Power Down: 3µA max
- Mini-DIP-8, SO-8, and MSOP-8 Packages
- Pseudo-Differential Input
- Serial Interface
- APPLICATIONS
- Battery-Operated Systems
- Remote Data Acquisition
- Isolated Data Acquisition
- Simultaneous Sampling, Multichannel Systems
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Description for the ADS7822
The ADS7822 is a 12-bit sampling analog-to-digital (A/D) converter with ensured specifications over a 2.7V to 5.25V supply range. It requires very little power even when operating at the full 200kHz rate. At lower conversion rates, the high speed of the device enables it to spend most of its time in the power-down mode—the power dissipation is less than 60µW at 7.5kHz.
The ADS7822 also features operation from 2.0V to 5V, a synchronous serial interface, and a pseudo-differential input. The reference voltage can be set to any level within the range of 50mV to VCC.
Ultra low power and small size make the ADS7822 ideal for battery-operated systems. It is also a perfect fit for remote data-acquisition modules, simultaneous multichannel systems, and isolated data acquisition. The ADS7822 is available in a plastic mini-DIP-8, an SO-8, or an MSOP-8 package.