ADS7844N Datasheet

Analog to Digital Converters - ADC


The ADS7844N is an 8-channel, 12-bit sampling analog-to-digital converter (ADC) with a synchronous serial interface. Typical power dissipation is 3mW at a 200kHz throughput rate and a +5V supply. The reference voltage (VREF) can be varied between 100mV and VCC, providing a corresponding input voltage range of 0V to VREF. The device includes a shutdown mode which reduces power dissipation to under 1mW.The ADS7844N is guaranteed down to 2.7V operation. ADS7844N Features • Single supply: 2.7v to 5v• 8-channel single-ended or 4-channel differential input• Up to 200khz conversion rate• ±1 lsb max inl and dnl• Guaranteed no missing codes• 72db sinad• Serial interface• 20-lead qsop and 20-lead ssop packages• Alternate source for max147 ADS7844N Applications • Data acquisition• Test and measurement• Industrial process control• Personal digital assistants• Battery-powered systems


[{"Name":"Number of Channels","Value":"8"},{"Name":"Architecture","Value":"SAR "},{"Name":"Conversion Rate ","Value":"200 KSPs "},{"Name":"Resolution ","Value":"12 bit"},{"Name":"Input Type","Value":"Single-Ended/Differential"},{"Name":"SNR","Value":"72 dB"},{"Name":"Interface Type","Value":"Serial SPI"},{"Name":"Operating Supply Voltage ","Value":"2.7 V to 5.25 V "},{"Name":"Mounting Style","Value":"SMD/SMT"},{"Name":"Package / Case","Value":"SSOP-20 "}]

Manufacturer information


Seiko Instruments Inc. Is a Japanese company which head office is located in 8, Nakase 1-chome, Mihama-ku, Chiba-shi, Chiba 261-8507, Japan . It’s business lines are: Watches Business Watches, Watch Movements Electronic Components Business Quartz crystals, Micro batteries, etc. Precision Mechatronics Business Inkjet printer heads, Hard disk components, Thermal printers, Compact precision components, Machine tools, FA, Musical instrument accessories, Radiation detection and measurement systems, etc.

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