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PDF NJM2775A Data sheet ( Hoja de datos )
| Número de pieza | NJM2775A | |
| Descripción | Audio Amplifier / DMP16 | |
| Fabricantes | JRC | |
| Logotipo |  |
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NJM2775A
PRELIMINARY
PRE&HI-POWER AMPLIFIER with ALC for PORTABLE TAPE RECORDER
s GENERAL DESCRIPTION
The NJM2775A is a pre&power amplifier with ALC
designed for micro and compact cassette recorders.
It contains pre-amplifier, ALC circuit, power amplifiers,
and ripple filter. The pre-amplifier amplifies the signal
come from magnetic head. The ALC circuit limits the
input signal to optimize level in recording. The power
amplifiers drive a speaker in play back and the magnetic
head in recording. The ripple filter stabilizing the supply
voltage to the internal pre-amplifier and an external
condenser microphone.
The NJM2775A improves high output power compared
with the NJM2128.
It is suitable for portable tape recorder, and other
portable playing back and recording recorder items.
s PACKAGE OUTLINE
NJM2775AM
s FEATURES
qOperating Voltage
qOperating Current
qOutput Power
qAutomatic Level Control
(ALC) Limit Level
qRipple Filter R.R.
(Ripple Rejection)
qBipolar Technology
qPackage Outline
V+=1.8 to 6.0V
9mA typ.
350mW typ. at V+=3V,RL=4Ω,THD=10%
200mVrms typ., at f=1kHz
47dB typ., at f=200Hz,C=47µF
DMP16
s PIN CONFIGURATION
1 PRE+IN
2 SGND
PRE
AMP
3 POW+INA
4 POW-INA
POWER
AMPA
16PRE-IN
15PREOUT
14POWOUTA
13V+
5 POW-INB
6 POW+INB
POWER
AMPB
12PGND
11POWOUTB
7 RFOUT
8 RFIN
RIPPLE
FILTER
TC 10
ALC
9ALCIN
PIN FUNCTION
1.PRE +IN
2.SGND
3.POW +1NA
4.POW -INA
5.POW -INB
6.POW +INB
7.REFOUT
8.REFIN
9.ALCIN
10.TC
11.POW OUTB
12.PGND
13. V+
14.POW OUTA
15.PREOUT
16.PRE -IN
-1-
1 page | ||
| Páginas | Total 3 Páginas | |
| PDF Descargar | [ Datasheet NJM2775A.PDF ] | |
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