The MCP4821 devices are single channel 8-bit, 10-bit and 12-bit buffered voltage output Digital-to-Analog Converters (DACs), respectively. The devices operate from a single 2.7V to 5.5V supply with an SPI compatible Serial Peripheral Interface. The devices have a high precision internal voltage reference (VREF = 2.048V). The user can configure the full-scale range of the device to be 2.048V or 4.096V by setting the Gain Selection Option bit (gain of 1 of 2). The devices can be operated in Active or Shutdown mode by setting a Configuration register bit or using the SHDN pin. In Shutdown mode, most of the internal circuits, including the output amplifier, are turned off for power savings, while the amplifier output (VOUT) stage is configured to present a known high resistance output load (500 k?? typical?.
The devices include double-buffered registers, allowing a synchronous update of the DAC output using the LDAC pin. These devices also incorporate a Power-on Reset (POR) circuit to ensure reliable powerup. The devices utilize a resistive string architecture, with its inherent advantages of low DNL error, low ratio metric temperature coefficient and fast settling time. These devices are specified over the extended temperature range (+125?C). The devices provide high accuracy and low noise performance for consumer and industrial applications where calibration or compensation of signals (such as temperature, pressure and humidity) are required. The MCP4801/4811/4821 devices are available in the PDIP, SOIC, MSOP and DFN packages.
Features:-
? 12-Bit Voltage Output DAC
? Rail-to-Rail Output ? SPI Interface with 20 MHz Clock Support
? Simultaneous Latching of the DAC Output with LDAC Pin
? Fast Settling Time of 4.5 ?s
? Selectable Unity or 2x Gain Output
? 2.048V Internal Voltage Reference
? 50 ppm/?C VREF Temperature Coefficient
? 2.7V to 5.5V Single-Supply Operation
? Extended Temperature Range: -40?C to +125?C
Specifications:-
Parameters Specification
VDD 6.5V
All Inputs and Outputs VSS ? 0.3V to VDD + 0.3V
Storage Temperature -65?C to +150?C
Ambient temperature with power applied ?55?C to +125?C
Soldering temperature of leads (10 seconds) +300?C
ESD Protection On All Pins (HBM) ? 4 Kv
Maximum Junction Temperature 150?C
Current at Input Pins ?2 mA
Current at Supply Pins ?50 mA
Current at Output Pins ?25 mA
Related Document:-
MCP4821 IC Datasheet
* Product Images are shown for illustrative purposes only and may differ from actual product
MCP4821 12 Bit Voltage Output Digital to Analog Converter (DAC) with SPI Interface IC DIP-8 Package
₹204.00
The MCP4802 devices are dual 8-bit, 10-bit and 12-bit buffered voltage output Digital-to-Analog Converters (DACs), respectively. The devices operate from a single 2.7V to 5.5V supply with SPI compatible Serial Peripheral Interface.
MAECENAS IACULIS
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