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Self-Calibrating 12-Bit Plus Sign mP-Compatible A/D Converter with Sample-and-Ho
Self-Calibrating 12-Bit Plus Sign mP-Com
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ADC1241 is a self-calibrating 12-bit plus sign A/D converter with sample-and-hold, capable of minimizing zero and full-scale errors through auto-zero or auto-calibration routines.
In stock
Specifications
10- Operating Voltage
- 4.5V to 5.5V for AVCC, DVCC; -4.5V to -5.5V for Vb
- Supply Current
- 70mW (max) (max)
- Interface
- GPIO, ADC
- Resolution
- 12 bits plus sign
- Conversion Time
- 13.8ms (max) (max)
- Linearity Error
- -0.5 LSB to 0.5 LSB (max)
- Zero Error
- -1 LSB (max) (max)
- Positive Full Scale Error
- -1 LSB (max) (max)
- Temperature Range
- -40°C to 85°C for ADC1241BIJ, CIJ; -55°C to 125°C for ADC1241CMJ, CMJ/883
- Package
- Standard 28-pin DIP
Pinout
15| Pin | Name | Functions | Notes |
|---|---|---|---|
| DVCC | Digital and analog positive power supply | POWER | |
| AVCC | Digital and analog power supply | POWER | |
| Vb | Analog negative supply voltage | POWER | |
| DGND | Digital and analog ground | GND | |
| VREF | Reference input voltage | ADC | |
| VIN | Analog input voltage | ADC | |
| CS | Chip Select control input | GPIO | |
| RD | Read control input | GPIO | |
| WR | Write control input | GPIO | |
| CLK | External clock input | GPIO | |
| CAL | Auto-Calibration control input | GPIO | |
| AZ | Auto-Zero control input | GPIO | |
| EOC | End-of-Conversion control output | GPIO | |
| INT | Interrupt control output | GPIO | |
| DB0–DB12 | TRI-STATE output pins (two’s complement format) | GPIO |
Interactive pinout
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Self-Calibrating 12-Bit Plus Sign mP-Com
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