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NJM2768B PDF даташит

Спецификация NJM2768B изготовлена ​​​​«JRC» и имеет функцию, называемую «Audio Amplifier / DMP8 / TVSP8».

Детали детали

Номер произв NJM2768B
Описание Audio Amplifier / DMP8 / TVSP8
Производители JRC
логотип JRC логотип 

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NJM2768B Даташит, Описание, Даташиты
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NJM2768B
HEADPHONE AMPLIFIER for CD-ROM
! GENERAL DESCRIPTION
The NJM2768B is a headphone amplifier designed for CD-
ROM.
It includes 0dB closed loop gain and mute circuit, requires
few external component.
The NJM2768B realizes very low turn-noise at mute mode.
It is suitable for CD-ROM, and other general audio
headphone amplifier application.
! PACKAGE OUTLINE
NJM2768BM
NJM2768BRB1
! FEATURES
! Operating Voltage
! Operating Current
! Fixed Gain
! Stereo Headphone Output
! Internal Mute Circuit
! Bipolar Technology
! Package Outline
2.8 to 5.5V
2mA typ. at V+=5V
0dB typ.
DMP8,TVSP8
! PIN CONFIGURATION
1
2
3
4
8
7
6
5
PIN FUNCTION
1.OUT1
2.MUTE
3.IN1
4.GND
5.IN2
6.BIAS
7.OUT2
8.V+
! BLOCK DIAGRAM
8765
BIAS
MUTE
123
4
-1-









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NJM2768B Даташит, Описание, Даташиты
NJM2768B
www.DataSheet4U.com
! ABSOLUTE MAXIMUM RATINGS (Ta=25°C)
PARAMETER
SYMBOL
RATINGS
Supply Voltage
Power Dissipation
Operating Temperature Range
V+
PD
Topr
+7
(DMP8) 375
750 (note)
(TVSP8)320
-40 to +85
Storage Temperature Range
Tstg
-50 to +150
(note) At on PC board
UNIT
V
mW
°C
°C
! ELECTRICAL CHARACTERISTICS (V+=5.0V,Vin=0dBV,f=1kHz,RL=32,Ta=25°C unless otherwise specified)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN. TYP. MAX. UNIT
Operating Voltage
V+
2.8 5.0 5.5 V
Operating Current
ICC No Signal
- 2.0 4.0 mA
Reference Voltage
Vref No Signal
- 2.1 - V
Closed Loop Gain
GV
-1 0 1 dB
Channel Balance
Output Power
Total Harmonic Distortion
GV
PO1
PO2
THD
RL=32, THD=0.1%
RL=16, THD=0.1%
-0.5 0 +0.5 dB
30 50 - mW
40 100 - mW
- 0.02 0.1 %
Output Noise Voltage Vno Rg=0, A-Weighted
-
-104 -94 dBV
(6.3) (20) (µVrms)
Mute Attenuation
ATT Vo/Vin
- -80 -70 dB
Channel Separation
CS
90 110 - dB
Ripple Rejection Ratio
Input Voltage H-level
RR
VIH
Vripple=-20dBV, Rg=0
- 70 - dB
2.0 - V+ V
Input Voltage L-level
VIL
0.0 - 0.3 V
! CONTROL PIN INFORMATION
PARAMETER CONTROL SIGNAL
MUTE ON
L
MUTE OFF
H
OPERATING CONDITION
NON-SIGNAL
OUTPUT SIGNAL
-2-









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NJM2768B Даташит, Описание, Даташиты
www.DataSheet4U.com
! TERMINAL DESCRIPTION
PIN
NO.
SYMBOL
FUNCTION
1 OUT1
7 OUT2
OUTPUT1
OUTPUT2
NJM2768B
EQUIVALENT CIRCUIT
TERMINAL
VOLTAGE
FB (V+-1VBE)/2
2 MUTE
MUTE CONTROL
10uA
350k
-
3 IN1
5 IN2
INPUT1
INPUT2
6 BIAS
REFERENCE VOLTAGE
STABILIIZED CAPACITOR
CONNECT TERMINAL
50k
50k
BIAS
50k
50k
(V+-1VBE)/2
(V+-1VBE)/2
-3-










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Номер в каталогеОписаниеПроизводители
NJM2768HAEDPHONE AMPLIFIER for CD-ROMNew Japan Radio
New Japan Radio
NJM2768BAudio Amplifier / DMP8 / TVSP8JRC
JRC

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