| TYPE | DESCRIPTION |
|---|
| Mounting Style | Surface Mount |
| Number of Pins | 20 Pin |
| Supply Voltage (DC) | 1.65V (min) |
| Case/Package | LFCSP-20 |
| Number of Circuits | 1 Circuit |
| Number of Channels | 8 Channel |
| Number of Positions | 20 Position |
| Number of Bits | 12 Bit |
| Power Dissipation | 12.6 W |
| Sample Rate | 22.22 ksps |
| Resolution (Bits) | 12.0 Bit |
| Input Capacitance | 34.0 pF |
| Number of ADCs | 1 ADC |
| Number of Inputs | 8 Input |
| Operating Temperature (Max) | 125 ℃ |
| Operating Temperature (Min) | -40 ℃ |
| Power Dissipation (Max) | 12.6 mW |
| Number of Input Channels | 8 Channel |
| Supply Voltage | 1.65V ~ 3.6V |
| Supply Voltage (Max) | 3.6 V |
| Supply Voltage (Min) | 1.65 V |
| Input Voltage | 2.5 V |
| TYPE | DESCRIPTION |
|---|
| Product Lifecycle Status | Active |
| Packaging | Tray |
| Size-Length | 4.1 mm |
| Size-Width | 4.1 mm |
| Size-Height | 0.73 mm |
| Operating Temperature | -40℃ ~ 125℃ |
The AD7291BCPZ is a 12-bit low power successive approximation Analog-to-digital Converter (ADC) with an internal temperature sensor. The part contains a 9-channel multiplexer and a track-and-hold amplifier than can handle frequencies up to 30MHz. The device has an on-chip 2.5V reference that can be disabled to allow the use of an external reference. It provides a 2-wire serial interface compatible with I²C interfaces. The I²C interface supports standard and fast I²C interface modes. The converter normally remains in a partial power-down state while not converting and powers up for conversions. The conversion process can be controlled by a command mode where conversions occur across I²C write operations or an auto-cycle mode selected through software control. It offers a programmable sequencer, which enables the selection of a pre-programmable sequence of channels for conversion.
● Temperature sensor accuracy of ±1°C typical
● Channel sequencer operation
● I²C-compatible serial interface supports standard and fast speed modes
● Out of range indicator/alert function
● Power-down current - 12µA maximum
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