| TYPE | DESCRIPTION |
|---|
| Mounting Style | Surface Mount |
| Number of Pins | 20 Pin |
| Supply Voltage (DC) | 2.70V (min) |
| Case/Package | TSSOP-20 |
| Supply Current | 1.4 mA |
| Number of Circuits | 1 Circuit |
| Number of Channels | 8 Channel |
| Number of Positions | 20 Position |
| Number of Bits | 10 Bit |
| Power Dissipation | 2.31 mW |
| Data Rate | 79.0 kbps |
| Sample Rate | 188 ksps |
| Power Consumption | 2.31 mW |
| Resolution (Bits) | 10.0 Bit |
| Input Capacitance | 30.0 pF |
| Number of ADCs | 1 ADC |
| Number of Inputs | 8 Input |
| Operating Temperature (Max) | 85 ℃ |
| Operating Temperature (Min) | -40 ℃ |
| Power Dissipation (Max) | 6.05 mW |
| Number of Input Channels | 8 Channel |
| Supply Voltage | 2.7V ~ 5.5V |
| Supply Voltage (Max) | 5.5 V |
| Supply Voltage (Min) | 2.7 V |
| Input Voltage | 2.5 V |
| TYPE | DESCRIPTION |
|---|
| Product Lifecycle Status | Active |
| Packaging | Each |
| Size-Length | 6.6 mm |
| Size-Width | 4.5 mm |
| Size-Height | 1.05 mm |
| Operating Temperature | -40℃ ~ 85℃ |
The AD7997BRUZ-1 is a 8-channel 10-bit low power successive approximation Analog-to-digital Converter (ADC) with an I²C-compatible interface. The part operates from a single 2.7 to 5.5V power supply and feature a 2µs conversion time. The part contains an multiplexer and track-and-hold amplifier that can handle input frequencies up to 11MHz. It provides a 2-wire serial interface that is compatible with I²C interfaces. It normally remains 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. It requires an external reference that should be applied to the REFIN pin and can be in the range of 1.2 to VDD. This allows the widest dynamic input range to the ADC.
● Low power consumption
● Sequencer operation
● Automatic cycle mode
● I²C-compatible serial interface supports standard, fast and high speed modes
● Out-of-range indicator/alert function
● Pin-selectable addressing via AS
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