Datasheet Microchip MCP3421
| Manufacturer | Microchip |
| Series | MCP3421 |
The MCP3421 ADC can be used for various high accuracy analog-to-digital data conversion applications where ease of use, low power consumption and small footprint are major considerations
Datasheets
18-Bit ADC with I2C Interface and Onboard Reference
PDF, 740 Kb, Revision: 08-10-2009
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Status
| MCP3421A0T-E/CH | MCP3421A1T-E/CH | MCP3421A2T-E/CH | MCP3421A3T-E/CH | |
|---|---|---|---|---|
| Lifecycle Status | Production (Appropriate for new designs but newer alternatives may exist) | Production (Appropriate for new designs but newer alternatives may exist) | Production (Appropriate for new designs but newer alternatives may exist) | Production (Appropriate for new designs but newer alternatives may exist) |
Packaging
| MCP3421A0T-E/CH | MCP3421A1T-E/CH | MCP3421A2T-E/CH | MCP3421A3T-E/CH | |
|---|---|---|---|---|
| N | 1 | 2 | 3 | 4 |
| Package | SOT-23 | SOT-23 | SOT-23 | SOT-23 |
| Pins | 6 | 6 | 6 | 6 |
Parametrics
| Parameters / Models | MCP3421A0T-E/CH | MCP3421A1T-E/CH | MCP3421A2T-E/CH | MCP3421A3T-E/CH |
|---|---|---|---|---|
| ENOB | 18 | 18 | 18 | 18 |
| Input Type | 1 Differential | 1 Differential | 1 Differential | 1 Differential |
| Interface | I²C™ | I²C™ | I²C™ | I²C™ |
| Max Sample Rate, samples/sec | 4 | 4 | 4 | 4 |
| Offset, µV | 15 | 15 | 15 | 15 |
| Operating Temperature Range, °C | -40 to +125 | -40 to +125 | -40 to +125 | -40 to +125 |
| Output Noise(µVrms) | 1.5 | 1.5 | 1.5 | 1.5 |
| Resolution, bits | 18 | 18 | 18 | 18 |
| Supply Voltage Range, V | 2.7 - 5.5 | 2.7 - 5.5 | 2.7 - 5.5 | 2.7 - 5.5 |
| Typical INL, ppm | 10 | 10 | 10 | 10 |
| Typical Supply Current, µA | 155 | 155 | 155 | 155 |
Eco Plan
| MCP3421A0T-E/CH | MCP3421A1T-E/CH | MCP3421A2T-E/CH | MCP3421A3T-E/CH | |
|---|---|---|---|---|
| RoHS | Compliant | Compliant | Compliant | Compliant |
Model Line
Series: MCP3421 (4)