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  • MCP4921 12 Bit Voltage Output Digital to Analog Converter (DAC) with SPI Interface IC DIP-8 Package

The MCP4921 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 user can configure the full-scale range of the device to be VREF or 2*VREF by setting the gain selection option bit (gain of 1 of 2). The user can shut down the device by setting the Configuration Register bit. In Shutdown mode, most of the internal circuits are turned off for power savings, and the output amplifier is configured to present a known high resistance output load (500 ktypical.

The devices include double-buffered registers, allowing synchronous updates 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 Differential Non-Linearity (DNL) error 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 MCP4921 devices is available in the PDIP, SOIC, MSOP and DFN packages. 


• MCP4921: 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 µs 

• Selectable Unity or 2x Gain Output 

• External Voltage Reference Input 

• External Multiplier Mode 

• 2.7V to 5.5V Single-Supply Operation 

• Extended Temperature Range: -40°C to +125°C 


Parameters Specification
VDD 6.5V
All Inputs and Outputs w.r.t. VSS  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(HBM), ≥400V (MM)
Maximum Junction Temperature (TJ) +150°C
Current at Input Pins  ±2 m A
Current at Supply Pins ±50 m A
Current at Output Pins ±25 m A

Related Document:-

 MCP4921 IC Datasheet

Brand/Manufacturer Generic
Country Of Origin China
Packer / Importer Address Constflick Technologies Limited, Building No 13 and 14, 3rd Floor, 2nd Main, Siddaiah Road, Bangalore, Karnataka - 560027 India.
MRP Rs. 194.7 (Inclusive of all Taxes)
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MCP4921 12 Bit Voltage Output Digital to Analog Converter (DAC) with SPI Interface IC DIP-8 Package

  • Product Code: EC-0466
  • Availability: 1274
  • Rs.295.00
  • (Excluding 18% GST)


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