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參數(shù)資料
| 型號(hào)： | CA3098E |
| 廠商： | HARRIS SEMICONDUCTOR |
| 元件分類： | 模擬信號(hào)調(diào)理 |
| 英文描述： | Programmable Schmitt Trigger with Memory, Dual Input Precision Level Detector |
| 中文描述： | SPECIALTY ANALOG CIRCUIT, PDIP8 |
| 文件頁(yè)數(shù)： | 1/12頁(yè) |
| 文件大?。?/td> | 229K |
| 代理商： | CA3098E |
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Call 1-888-INTERSIL or 321-724-7143
CA3098
Programmable Schmitt Trigger with
Memory, Dual Input Precision Level
Detector
The CA3098 Programmable Schmitt Trigger is a monolithic
silicon integrated circuit designed to control high operating
current loads such as thyristors, lamps, relays, etc. The
CA3098 can be operated with either a single power supply
with maximum operating voltage of 16V, or a dual power
supply with maximum operating voltage of
±
8V. It can
directly control currents up to 150mA and operates with
microwatt standby power dissipation when the current to be
controlled is less than 30mA. The CA3098 contains the
following major circuit function features (see Block Diagram):
1. Differential amplifiers and summer: the circuit uses two
differential amplifiers, one to compare the input voltage
with the “high” reference, and the other to compare the
input with the “l(fā)ow” reference. The resultant output of the
differential amplifiers actuates a summer circuit which
delivers a trigger that initiates a change in state of a flip-
flop.
2. Flip-flop: the flip-flop functions as a bistable “memory”
element that changes state in response to each trigger
command.
3. Driver and output stages: these stages permit the circuit
to “sink” maximum peak load currents up to 150mA at
terminal 3.
4. Programmable operating current: the circuit incorporates
access at terminal 2 to permit programming the desired
quiescent operating current and performance parameters.
Pinout
CA3098
(PDIP)
TOP VIEW
Features
Programmable Operating Current
Micropower Standby Dissipation
Direct Control of Currents Up to. . . . . . . . . . . . . . . 150mA
Low Input On/Off Current of Less Than 1nA for
Programmable Bias Current of 1
μ
A
Built-in Hysteresis . . . . . . . . . . . . . . . . . . . . . 20mV (Max)
Applications
Control of Relays, Heaters, LEDs, Lamps, Photosensitive
Devices, Thyristors, Solenoids, etc.
Signal Reconditioning
Phase and Frequency Modulators
On/Off Motor Switching
Schmitt Triggers, Level Detectors
Time Delays
Overvoltage, Overcurrent, Overtemperature Protection
Battery-Operated Equipment
Square and Triangular-Wave Generators
LOW REF.
I
BIAS
OUT
V-
1
2
3
4
8
7
6
5
+IN
HIGH REF.
V+
CURRENT
CONTROL
Part Number Information
PART
NUMBER
TEMP
RANGE (
o
C)
PACKAGE
PKG. NO.
CA3098E
-55 to 125
8 Ld PDIP
E8.3
January 1999
File Number
896.5
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OBSOLETE PRODUCT
NO RECOMMENDED REPLACEMENT
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. 2001. All Rights Reserved
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