| TYPE | DESCRIPTION |
|---|
| Mounting Style | Surface Mount |
| Number of Pins | 20 Pin |
| Supply Voltage (DC) | 2.30V (min) |
| Case/Package | LFCSP-20 |
| Number of Circuits | 1 Circuit |
| Number of Channels | 8 Channel |
| Number of Positions | 20 Position |
| Number of Bits | 14 Bit |
| Power Dissipation | 13.5 mW |
| Sample Rate | 250 ksps |
| Power Consumption | 13.5 mW |
| Resolution (Bits) | 14.0 Bit |
| Number of ADCs | 1 ADC |
| Number of Inputs | 8 Input |
| Operating Temperature (Max) | 85 ℃ |
| Operating Temperature (Min) | -40 ℃ |
| Power Dissipation (Max) | 15.5 mW |
| Number of Input Channels | 8 Channel |
| Supply Voltage (Max) | 5.5 V |
| Supply Voltage (Min) | 2.3 V |
| TYPE | DESCRIPTION |
|---|
| Product Lifecycle Status | Active |
| Packaging | Tray |
| Size-Length | 4 mm |
| Size-Width | 4 mm |
| Size-Height | 0.83 mm |
| Operating Temperature | -40℃ ~ 85℃ |
The AD7949BCPZ is a 8-channel charge redistribution successive approximation register Analog-to-digital Converter (ADC) that operates from a single power supply VDD. It contains all components for use in a multi-channel low power data acquisition system including a true 14-bit SAR ADC with no missing codes, a 8-channel low crosstalk multiplexer that is useful for configuring the inputs as 1-ended differential or bipolar, an internal low drift reference and buffer, a temperature sensor, a selectable 1-pole filter and a sequencer that is useful when channels are continuously scanned in order. It uses a simple SPI interface for writing to the configuration register and receiving conversion results. The SPI interface uses a separate supply VIO which is set to the host logic level.
● Power dissipation scales with throughput
● Multiple reference types
● Internal temperature sensor (TEMP)
● No pipeline delay, SAR architecture
● Serial interface - SPI™/QSPI™/MICROWIRE™/DSP compatible
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