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Intersil Electronic Components Datasheet



ICL8211CPA

Programmable Voltage Detectors


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ICL8211CPA pdf
TM ICL8211, ICL8212
October 1999
NO RECOOBMSOMLEENTDEEPDRROEDPULCATCEMENT
Programmable Voltage Detectors
Features
Description
• High Accuracy Voltage Sensing and Generation
• Internal Reference 1.15V Typical
• Low Sensitivity to Supply Voltage and Temperature
Variations
• Wide Supply Voltage Range Typ. 1.8V to 30V
• Essentially Constant Supply Current Over Full Supply
Voltage Range
• Easy to Set Hysteresis Voltage Range
• Defined Output Current Limit ICL8211
• High Output Current Capability ICL8212
Applications
The Intersil ICL8211/8212 are micropower bipolar monolithic
integrated circuits intended primarily for precise voltage
detection and generation. These circuits consist of an
accurate voltage reference, a comparator and a pair of
output buffer/drivers.
Specifically, the ICL8211 provides a 7mA current limited out-
put sink when the voltage applied to the ‘THRESHOLD’
terminal is less than 1.15V (the internal reference). The
ICL8212 requires a voltage in excess of 1.15V to switch its
output on (no current limit). Both devices have a low current
output (HYSTERESIS) which is switched on for input
voltages in excess of 1.15V. The HYSTERESIS output may
be used to provide positive and noise free output switching
using a simple feedback network.
• Low Voltage Sensor/Indicator
• High Voltage Sensor/Indicator
• Nonvolatile Out-of-Voltage Range Sensor/Indicator
• Programmable Voltage Reference or Zener Diode
• Series or Shunt Power Supply Regulator
• Fixed Value Constant Current Source
Ordering Information
PART NUMBER
ICL8211CPA
ICL8211CBA
ICL8211CTY
ICL8211MTY
(Note 1)
ICL8212CPA
ICL8212CBA
ICL8212CTY
ICL8212MTY
(Note 1)
TEMPERATURE
RANGE
0oC to +70oC
0oC to +70oC
0oC to +70oC
-55oC to +125oC
0oC to +70oC
0oC to +70oC
0oC to +70oC
-55oC to +125oC
PACKAGE
8 Lead Plastic DIP
8 Lead SOlC (N)
8 Pin Metal Can
8 Pin Metal Can
8 Lead Plastic DIP
8 Lead SOlC (N)
8 Pin Metal Can
8 Pin Metal Can
NOTE:
1. Add /883B to part number if 883B processing is required
Pinouts
ICL8211 (PDIP, SOIC)
TOP VIEW
ICL8211 (CAN)
TOP VIEW
NC 1
HYSTERESIS 2
8 V+
7 NC
HYSTERESIS
THRESHOLD 1
8
7 V+
THRESHOLD 3
OUTPUT 4
6 NC
5 GROUND
OUTPUT 2
6 NC
NC 3
5 NC
4
GROUND
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 321-724-7143 | Intersil (and design) is a trademark of Intersil Americas Inc.
Copyright © Intersil Americas Inc. 2002. All Rights Reserved
7-161
FN3184.2



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ICL8211CPA pdf
Functional Diagram
VOLTAGE REFERENCE
Q3 Q4
Q2
Q5 Q6
Q1
ICL8211, ICL8212
COMPARATOR
OUTPUT BUFFERS
8
V+
Q16 Q17 Q18
Q14 Q15
R4
1M
XXXX
R5
4.5k
2
HYST
Q19
R1
20M
Q7
1.15V
VREF
Q23 R3
360k
Q12
Q13
Q8
R2
30k
Q9 Q10
ICL8211 OPTION
X X X X X X ICL8212 OPTION
Q11
Q20
R6
100k
3
THRESHOLD
4
OUTPUT
Q21
5
GROUND
7-162



Part Number ICL8211CPA
Description Programmable Voltage Detectors
Maker Intersil Corporation - Intersil Corporation
Total Page 14 Pages
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