AD7994BRUZ-0REEL

AD7994 is a 4-channel, 12bit, low power, successive approximation ADC with an I²C-compatible interface. This device provide a 2-wire serial interface that is compatible with I²C interfaces. This device normally remain in a shutdown state while not converting, and power up only for conversions. The conversion process can be controlled using the CONVST pin, by a command mode where conversions occur across I²C write operations, or an automatic conversion interval mode selected through software control. On-chip limit registers can be programmed with high and low limits for the conversion result, and an open-drain, cut-off range indicator output (ALERT) becomes active when the programmed high or low limits are violated by the conversion result. This output can be used as an interrupt.

• Conversion time is 2µs typical
• Operating voltage range is 2.7V to 5.5V
• Low power consumption
• Throughput rate is 188kSPS typical at 5V
• Sequencer operation
• Automatic cycle interval mode
• Out-of-range indicator/alert function
• Pin-selectable addressing via AS, shutdown mode is 1µA maximum
• Operating temperature is -40°C to +125°C, linearity error is ±1LSB maximum
• Packaging style is thin shrink small outline package

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