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ANALOG DEVICES MAX31331EWC+
Real Time Clock IC, RTCC, I2C, 1.1 V to 5.5 V, WLP-12, -40 °C to 85 °C
Date/Lot Code
- Manufacturer:
- ANALOG DEVICES ANALOG DEVICES
- Manufacturer Part No:
- MAX31331EWC+
- Order Code:
- 4129939
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- Technical Datasheet:
- MAX31331EWC+ Datasheet
Product Overview
MAX31331EWC+ is a ultra-low power, real-time clock (RTC) and power management is a time-keeping device that consumes nominal 65nA time keeping current, extending battery life. It supports a wide range of 32.768kHz crystals. A crystal with any capacitive loading (CL) spec can be used, which broadens the pool of usable crystals for this device. This device is accessed through an I²C serial interface. The device also features a backup supply pin (VBAT) and automatically switches over to the backup supply (VBAT) when the main supply (VCC) drops below the programmed threshold voltage and the backup supply (VBAT) voltage. It includes two time-of-day alarms, interrupt outputs, programmable square-wave output, event detection input with timestamping, and a serial bus timeout mechanism. The 32-byte timestamp registers double as RAM storage. Application includes medical, wearables, portable instruments, telematics, industrial, IOT.
- 12-WLP pin-package, temperature range from -40°C to +85°C
- Ultra-low-power extends run time, 1.1V to 5.5V timekeeping voltage range
- Automatic switchover to backup supply on power fail event
- Trickle charger for external supercapacitor or rechargeable battery
- Small footprint and low BOM, no external load capacitors required
- Provides flexibility, wide range of external crystals supported
- Frequency correction with <0.5ppm resolution, 1.62V to 5.5V interface voltage range
- Value-added features for ease of use, event detection with dedicated pin
- Timestamps for various events, low battery voltage detection
- 1/128 second register, alarms and countdown timer, 32-byte user RAM
Product Information
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- YY-MM-DD-dd
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- HH:MM:SS
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- RTC
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- 1.1V
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- 5.5V
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- WLP
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- 12Pins
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- I2C
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- -40°C
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- 85°C
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- -
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- -
Technical Documents (1)
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| 1+ | €2.27 €2.724 | |
| 10+ | €2.04 €2.448 | |
| 50+ | €1.93 €2.316 | |
| 100+ | €1.66 €1.992 | |
| 250+ | €1.54 €1.848 | |
| 500+ | €1.36 €1.632 | |
| 2500+ | €1.14 €1.368 | |
| 5000+ | €1.12 €1.344 | |
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