| TYPE | DESCRIPTION |
|---|
| Mounting Style | Surface Mount |
| Number of Pins | 44 Pin |
| Supply Voltage (DC) | 4.75V (min) |
| Case/Package | PLCC-44 |
| Supply Current | 20.0 mA |
| Number of Channels | 8 Channel |
| Number of Positions | 44 Position |
| Number of Bits | 12 Bit |
| Power Dissipation | 82 mW |
| Sample Rate | 500 ksps |
| Power Consumption | 82 mW |
| Resolution (Bits) | 12.0 Bit |
| Input Impedance | 9.00 GΩ |
| Number of ADCs | 1 ADC |
| Operating Temperature (Max) | 85 ℃ |
| Operating Temperature (Min) | -40 ℃ |
| Power Dissipation (Max) | 100 mW |
| Number of Input Channels | 8 Channel |
| Supply Voltage | 5 V |
| Supply Voltage (Max) | 5.25 V |
| Supply Voltage (Min) | 4.75 V |
| TYPE | DESCRIPTION |
|---|
| Product Lifecycle Status | Active |
| Packaging | Each |
| Size-Length | 16.66 mm |
| Size-Width | 16.66 mm |
| Size-Height | 3.68 mm |
| Operating Temperature | -40℃ ~ 85℃ |
The AD7891APZ-1 is a LC²MOS 8-channel 12-bit high speed Data Acquisition System with a choice of either parallel or serial interface structure determined by the MODE pin. The part contains an input multiplexer, an on-chip track/hold amplifier, a high speed 12-bit ADC, a 2.5V reference and a high speed interface. The part operates from a single 5V supply and accepts a variety of analog input ranges across two models. The part has standard control inputs and fast data access times for both the serial and parallel interfaces, ensuring easy interfacing to modern microprocessors, microcontrollers and digital signal processors. In addition to the traditional DC accuracy specifications, such as linearity, full-scale and offset errors, the part is also specified for dynamic performance parameters, including harmonic distortion and signal-to-noise ratio.
● Overvoltage protection on each channel
● Parallel and serial interface
● On-chip track/hold amplifier
● On-chip reference
● Single-supply, low power operation
● Power-down mode
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