| TYPE | DESCRIPTION |
|---|
| Mounting Style | Surface Mount |
| Number of Pins | 20 Pin |
| Case/Package | SOIC-20 |
| Number of Outputs | 1 Output |
| Supply Current | 5.00 mA |
| Number of Channels | 1 Channel |
| Number of Positions | 20 Position |
| Number of Bits | 16 Bit |
| Power Dissipation | 163 mW |
| Sample Rate | 143 ksps |
| Resolution (Bits) | 16.0 Bit |
| Operating Temperature (Max) | 85 ℃ |
| Operating Temperature (Min) | -40 ℃ |
| Power Dissipation (Max) | 100 mW |
| Number of DACs | 1 DAC |
| Supply Voltage (Max) | 5.75 V |
| Supply Voltage (Min) | 4.75 V |
| TYPE | DESCRIPTION |
|---|
| Product Lifecycle Status | Active |
| Packaging | Each |
| Size-Height | 2.35 mm |
| Operating Temperature | -40℃ ~ 85℃ |
The AD7849CRZ is a 14/16-bit serial input multiplying Digital-to-analog Converter (DAC) with serial input. The DAC architecture ensures excellent differential linearity performance and monotonicity is guaranteed to 14-bit for the A grade and to 16-bit for all other grades over the specified temperature ranges. During power-up and power-down sequences, the VOUT pin is clamped to 0V via a low impedance path. To prevent the output of A3 from being shorted to 0V during this time, Transmission Gate G1 is also opened. These conditions are maintained until the power supplies stabilize and a valid word is written to the DAC register. At this time G2 opens and G1 closes. Both transmission gates are also externally controllable via the reset in control input. For instance, if the RSTIN input is driven from a battery supervisor chip, then at power-off or during a brown out, the RSTIN input is driven low to open G1 and close G2. The DAC must be reloaded with RSTIN high, to reenable the output.
● Versatile serial interface structure
● Used in a daisy-chain fashion to program device
ADI
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ANALOG DEVICES AD7849CRZ Digital to Analogue Converter, 16Bit, 143KSPS, Serial, ± 14.25V to ± 15.75V, WSOIC, 20Pins
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