Purchase MCP4821, In-stock MCP4821 From SeekIC.
Part Number: MCP4821
Description: The Microchip Technology Inc. MCP482X devices are 2.7V - 5.5V, low-power, low DNL, 12-bit Digital-to-A...
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MCP4821
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DataSheet
General Description
MCP4821 General Description
The Microchip Technology Inc. MCP482X devices are 2.7V - 5.5V, low-power, low DNL, 12-bit Digital-to-Analo Converters (DACs) with internal band gap voltage reference, optional 2x-buffered output and Serial Peripheral Interface (SPITM).
The MCP482X family of DACs provide high accuracy and low noise performance for industrial applications where calibration or compensation of signals (such as temperature, pressure and humidity) are required. The MCP482X devices are available in the extended temperature range and PDIP, SOIC and MSOP packages.
The MCP482X 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. The MCP482X family includes double-buffered registers, allowing simulta- pin. These devices also neous updates using the LDAC incorporate a Power-On Reset (POR) circuit to ensure reliable power-up.
MCP4821 Maximum Ratings
Absolute Maximum Ratings †
VDD................................................................................... 6.5V
All inputs and outputs w.r.t ............. AVSS 0.3V to VDD+0.3V
Current at Input Pins ...................................................±2 mA
Current at Supply Pins ...............................................±50 mA
Current at Output Pins ...............................................±25 mA
Storage temperature ..................................-65°C to +150°C
Ambient temp. with power applied .............-55°C to +125°C
ESD protection on all pins ........... 4 kV (HBM), 400V (MM)
Maximum Junction Temperature (TJ) ..........................+150°C
† Notice: Stresses above those listed under "Maximum Ratings" may cause permanent damage to the device. This is a stress rating only and functional operation of the device at those or any other conditions above those indicated in the operational listings of this specification is not implied. Exposure to maximum rating conditions for extended periods may affect device reliability.
MCP4821 Features
`12-Bit Resolution
`±0.2LSb DNL (typ.)
`±2LSb INL (typ.)
`Single or Dual Channel
`Rail-to-Rail Output
`SPITM Interface with 20MHz Clock Support
`Simultaneous Latching of the Dual DACs with LDAC pin
`Fast Settling Time of 4.5s
`Selectable Unity or 2x Gain Output
`2.048V Internal Band Gap Voltage Reference
`50ppm/ VREF Temperature Coefficient
`2.7V to 5.5V Single-Supply Operation
`Extended Temperature Range:-40 to +125
MCP4821 Typical Application
·Set Point or Offset Trimming
·Sensor Calibration
·Precision Selectable Voltage Reference
·Portable Instrumentation (Battery-Powered)
·Calibration of Optical Communication Devices
·Sensor Calibration
·Precision Selectable Voltage Reference
·Portable Instrumentation (Battery-Powered)
·Calibration of Optical Communication Devices
MCP4821 Connection Diagram
MCP4821
PDF/DataSheet Download
- Datasheet: MCP4821
- File Size: 1733185 KB
- Manufacturer: MICROCHIP
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