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TCA980

Philips
Part Number TCA980
Manufacturer Philips
Description MICROPHONE AMPLIFIER
Published Mar 19, 2018
Detailed Description II II TCA980 MICROPHONE AMPLIFIER The TCA980 is a monolithic integrated microphone amplifier. It is. primarily intende...
Datasheet PDF File TCA980 PDF File

TCA980
TCA980

Overview
II II TCA980 MICROPHONE AMPLIFIER The TCA980 is a monolithic integrated microphone amplifier.
It is.
primarily intended for use with low-impedance microphones in telephone systems.
The output of the amplifier is 22 mV/~ar when used with a microphone haVing an impedance of 200 Q and a sensitivity of 100 !-IV /~r.
A capsule assembly containing the TCA980, a low-impedance microphone and aQ, 22 ~ capacitor can directly replace a carbon microphone.
The d.
c.
supply to the device may be of either polarity.
QUICK REFERENCE DATA.
Supply Cl,lrrent Supply voltage drop at ±12 = 10 rnA Voltage gain at ± I2 = 30 rnA at±I2=lOrnA Output impedance at ±12 =30 rnA ± 12 ±VI-2 Gv Gv IZol 10 to 100 typo 4,5 typo 220 < 260 typo 150 rnA V Q PACKAGE OUTLlN~ TO -12 (reduced height) Dimensions in mm --- -9,4mdx- n~ 8,5 max .
----'0,48 +max 1 .
.
.
14,67 max1-12,7min - 7Z69267 October 1974 II II 1 CIRCUIT DIAGRAM R5 ~,2kn IIlIur ' I, I •n-I .
.
-o,~ 01) o I 02 ;::> r R11 42n ~ o • "...


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