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參數(shù)資料
| 型號： | NTE1635 |
| 廠商： | NTE Electronics, Inc. |
| 元件分類： | 運(yùn)算放大器 |
| 英文描述： | Quad General-Purpose Operational Amplifier 14-SOIC 0 to 70 |
| 中文描述： | 集成電路喇叭保護(hù)/電壓/溫度/過載 |
| 文件頁數(shù)： | 1/3頁 |
| 文件大?。?/td> | 23K |
| 代理商： | NTE1635 |
NTE1635
Integrated Circuit
Speaker Protector/Voltage/Temperature/Overload
Description:
The NTE1635 is a monolithic integrated circuit in an 8–Lead SIP type package designed for use in
protecting power amplifiers and speakers in various amplifier and receiver applications.
Features:
Built–In Relay Driver
Single Power Source
Wide Operating Supply Range: 25V to 60V
Plus and Minus Voltage using One Pin (Both Pin3 and Pin4 Posses the Same Functions and
Detect Plus and Minus Voltage)
AC Voltage Detector (Pin5)
Circuit Protection by Plus Voltage Detection is Provided by Connecting D1 Diode Externally (Pin6)
Relay–On Lag Time Adjustable by External Applications
Short Relay–Off Time (25ms Typ Under the Standard External Applications)
Typical Applications:
For Speaker Protection, use Pin3 (or Pin4) to Detect Setoff of Quiescent Output DC Voltage
and to Turn the Relay Off
For Power Amplifier Protection, use Pin3 (or Pin4) with an External Thermo–Sensitive Device
to Detect the Temperature Increase and to Turn the Relay Off
Power Amplifier can be Protected by Detecting Overload and Turning the Relay Off with Pin6
In case of Overload Detection by Constant–Current or by Constant–Voltage Drive using an
External Diode D1, the Latch Mechanism keeps the Relay On until the Power is Switched Off
For Prevention of Pop Noise at Power Off use Pin5. AC Voltage Disappeance is Immediately
Detected when the Amp’s Switch has been Off. This Minimizes the Relay–Off Time and thus
can Prevent Pop Noise Generated by Mute–Off Time Lag
Absolute Maximum Ratings:
(T
A
= +25
°
C unless otherwise specified)
Total Power Disipation (T
A
= +70
°
C), P
T
Operating Temperature Range, T
opr
Storage Temperature Range, T
stg
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Supply Voltage (Pin1), V
CC(max)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Supply Current (Pin1), I
1(max)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
400mW
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
–20
°
to +70
°
C
–55
°
to +125
°
C
60V
80mA
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