Description
MCP4921-E/SN: Voltage Out 12 bit DAC, Single channel without Internal Reference
Mfr. Part#: MCP4921-E/SN
Mfr.: MICROCHIP
Datasheet: 
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ROHS Status:
Quality: 100% Original
Warranty: ONE YEAR
| Series: |
MCP4921 |
|
| Resolution: |
12 bit |
|
| Sampling Rate: |
- |
|
| Number of Channels: |
1 Channel |
|
| Settling Time: |
4.5 us |
|
| Output Type: |
Voltage Buffered |
|
| Interface Type: |
3-Wire, Microwire, SPI |
|
| Analog Supply Voltage: |
2.7 V to 5.5 V |
|
| Digital Supply Voltage: |
2.7 V to 5.5 V |
|
| Minimum Operating Temperature: |
- 40 C |
|
| Maximum Operating Temperature: |
+ 125 C |
|
| Mounting Style: |
SMD/SMT |
|
| Package / Case: |
SOIC-8 |
|
| Qualification: |
AEC-Q100 |
|
| Packaging: |
Tube |
|
| Architecture: |
Resistor-String |
|
| Brand: |
Microchip Technology |
|
| DNL - Differential Nonlinearity: |
+/- 0.25 LSB |
|
| Height: |
1.25 mm |
|
| INL - Integral Nonlinearity: |
+/- 4 LSB |
|
| Moisture Sensitive: |
Yes |
|
| Number of Converters: |
1 Converter |
|
| Operating Supply Current: |
175 uA |
|
| Product Type: |
DACs - Digital to Analog Converters |
|
| Reference Type: |
External |
|
| Factory Pack Quantity: |
100 |
|
| Subcategory: |
Data Converter ICs |
|
| Supply Voltage - Max: |
5.5 V |
|
| Supply Voltage - Min: |
2.7 V |
|
| Unit Weight: |
0.019048 oz |
The MCP4921 device is 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 2VREF 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 kΩ,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
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