| TYPE | DESCRIPTION |
|---|
| Mounting Style | Surface Mount |
| Number of Pins | 20 Pin |
| Digital Logic Level | SAR |
| Supply Voltage (DC) | 2.70V (min) |
| Case/Package | SSOP-20 |
| Supply Current | 550 µA |
| Number of Circuits | 1 Circuit |
| Number of Channels | 8 Channel |
| Number of Positions | 20 Position |
| Number of Bits | 12 Bit |
| Power Dissipation | 4.5 W |
| Sample Rate | 200 ksps |
| Power Consumption | 840 µW |
| Number of ADCs | 1 ADC |
| Number of Inputs | 4, 8 Input |
| Operating Temperature (Max) | 85 ℃ |
| Operating Temperature (Min) | -40 ℃ |
| Power Dissipation (Max) | 4.5 mW |
| Number of Input Channels | 8 Channel |
| Supply Voltage (Max) | 5 V |
| Supply Voltage (Min) | 2.7 V |
| Input Voltage | 2.5V, 5V |
| TYPE | DESCRIPTION |
|---|
| Product Lifecycle Status | Active |
| Packaging | Tube |
| Size-Length | 7.2 mm |
| Size-Width | 5.3 mm |
| Size-Height | 1.95 mm |
| Operating Temperature | -40℃ ~ 85℃ |
The ADS7844NB is a 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 1µW. Low power, high speed and on-board multiplexer make the ADC ideal for battery- operated systems. The serial interface also provides low-cost isolation for remote data acquisition.
● Guaranteed down to 2.7V operation
● No missing codes
● Serial interface
● Alternate source for MAX147
● Green product and no Sb/Br
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