R3112Q251A-TR - Brand New RICOH IC Chips
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Description
The R3112Q251A-TR is a voltage detector IC from the R3112x Series, which is CMOS-based and has high detector threshold accuracy and ultra-low supply current. It can be operated at an extremely low voltage and is typically used for system reset. The IC consists of a voltage reference unit, comparator, resistor net for detector threshold setting, output driver, hysteresis circuit, and output delay circuit. The detector threshold is fixed internally with high accuracy and does not require any adjustment. Two output types, Nch open drain type and CMOS type, are available. There are three types of packages, SOT-23-5, small SC-82AB, and ultra-small SON1612-6, which allow for high-density mounting on boards.
Specifications and features
- Built-in Output Delay Circuit: Typ. 100ms with an external capacitor: 0.022µF
- Supply Current: Typ. 0.5µA (R3112x271A/C, VDD=2.6V)
- Operating Voltage: 0.7 to 6.0V (Topt=25°C)
- Detector Threshold: 0.9V to 5.0V
- High Accuracy Detector Threshold: ±2.0%
- Low Temperature-Drift Coefficient of Detector Threshold: Typ. ±100ppm/°C
- Two Output Types: Nch Open Drain and CMOS
- Packages: SOT-23-5 (Mini-mold), SC-82AB, SON1612-6
Application Scenarios
- CPU and Logic Circuit Reset
- Battery Checker
- Window Comparator
- Wave Shaping Circuit
- Battery Back-up Circuit
- Power Failure Detector
Comparison
Advantages- High detector threshold accuracy
- Ultra-low supply current
- Operable at an extremely low voltage
- Fixed detector threshold with high accuracy
- Two output types allow for flexibility in application
- Three package types allow for high-density mounting on boards
Disadvantages- None identified
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Datenblatt
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Shopping guide
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Beliebte Teile der gleichen Art
- Datasheet: Download R3112Q251A-TR
- Chipdaten Teil: CD89-R3112Q251A-TR
- Lagerhaus: China, Hongkong
- Versenden: Innerhalb von 24 Stunden
- Kostenloser Versand: Yes
- Bevorzugter Versand: Yes, 3-5 days
- Letzte Aktualisierung: 2024/10/01 09:32 +0800
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