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  • MCP4922 12-Bit Dual Voltage Digital to Analog Converter (DAC) with SPI Interface IC DIP-14 Package

The MCP4922 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. 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 both DAC channels by using SHDN pin or shut down the DAC channel individually by setting the Configuration register bits. In Shutdown mode, most of the internal circuits in the shutdown channel 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 two DAC outputs, using the LDAC pin. These devices also incorporate a Power-on Reset (POR) circuit to ensure reliable power up. The devices utilize a resistive string architecture, with its inherent advantages of low 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 MCP4922 devices are available in the PDIP, SOIC and TSSOP packages. 


Features:-

• Dual 12-Bit Voltage Output DAC 

• Rail-to-Rail Output 

• SPI Interface with 20 MHz Clock Support 

• Simultaneous Latching of the Dual DACs with LDAC pin 

• Fast Settling Time of 4.5 µs 

• Selectable Unity or 2x Gain Output 

• External Voltage Reference Inputs 

• External Multiplier Mode 

• 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:-

 MCP4922 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. 352.82 (Inclusive of all Taxes)
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MCP4922 12-Bit Dual Voltage Digital to Analog Converter (DAC) with SPI Interface IC DIP-14 Package

  • Product Code: EC-1828
  • Availability: 1359
  • Rs.299.00
  • (Excluding 18% GST)

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