HomedatasheetR311E121A-TZ

R311E121A-TZ Datasheet

Low voltage detector. Detector threshold (-Vdet) 4.2V. Output type Nch open drain.
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Description

■ OUTLINE
The R3111 Series are voltage detector ICs with high detector threshold accuracy and ultra-low  supply current by CMOS process, which can be operated at an extremely low voltage and is used  for system reset as an example.
Each of these ICs consists of a voltage reference unit, a comparator, resistors for detector  threshold setting, an output driver and a hysteresis circuit. The detector threshold is fixed  with high accuracy internally and does not require any adjustment. Two output types, Nch open  drain type and CMOS type are available.

■ FEATURES
● Ultra-low Supply Current...............................................TYP.0.8µA (VDD=1.5V)
● Wide Range of Operating Voltage....................................... 0.7 to 10.0V(Topt=25°C)
● Detector Threshold....................... Stepwise setting with a step of 0.1V in the range of
                                            0.9V to 6.0V is possible.
● High Accuracy Detector Threshold...................................... ±2.0%
● Low Temperature-Drift Coefficient of Detector Threshold............ TYP. ±100ppm/°C
● Two Output Types .......................................... Nch Open Drain and CMOS
● Four Types of Packages...... TO-92, SOT-89(Mini-power Mold), SOT-23-5 (Mini mold), SC-82AB

■ APPLICATIONS
● CPU and Logic Circuit Reset
● Battery Checker
● Window Comparator
● Wave Shaping Circuit
● Battery Back-up Circuit
● Power Failure Detector

 

Features

Parameters


Manufacturer information

RICOH CO.,LTD.
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