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PDF NJW1241 Data sheet ( Hoja de datos )
| Número de pieza | NJW1241 | |
| Descripción | 3-Chanels Differential Output Line Amplifier | |
| Fabricantes | New Japan Radio | |
| Logotipo |  |
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NJW1241
3-Chanels Differential Output Line Amplifier
GENERAL DESCRIPTION
The NJW1241 is a differential output 3-channel audio line
amplifier for High Voltage Pre-out of Car AV system. It can
swing 5Vrms(14.1V peak-to peak) singal at 8V opearating
voltage /single-end output because of including the charge
pump circuit.
Ground-referenced outputs eliminate output coupling
capacitor. The pop noise suppression circuit reduces a pop
noise at the power-on and power-off.
PACKAGE OUTLINE
FEATURES
l Operating Voltage
6.0V to +10V
l Operating Current
IDD=12mA typ.
at V+=8V, RL=47kΩ, No Signal
l Maximum Output Voltage
l Low Distortion
l Output Coupling Capacitor-less
l External Synchronizing
l Pop Noise Suppression Circuit
l External Mute
l Gain Select
5.0Vrms min. @single-end output
0.004% typ
Divide-by-2
+6dB/+8dB
l RF Immunity OpAmp tolerant to FR noise. (ex. mobile phone)
l Bi-CMOS Technology
l Package Outline
SSOP32
NJW1241V
BLOCK DIAGRAM
V+
IN1
OUT1A
V- Mute Tr
Mute Tr
OUT1B
V+
IN2
OUT2A
V- Mute Tr
Mute Tr
OUT2B
V+
IN3
OUT3A
V- Mute Tr
Gain
Select
Charge
Pump
Mute Tr
Pop Noise
Suppression
V-
V+ Detector
OUT3B
Ver. 0.4E
–1–
1 page  
TERMINAL DESCRIPTION
Terminal SYMBOL
FUNCTION
18
FB
V- Power Supply
External Setting
NJW1241
EQUIVALENT CIRCUIT
100Ω 1kΩ
Reg(5V)
2pF
V-OUT
VOLTAGE
-
19
CP
Flying Capacitor
Positive Terminal
V+Reg
V-OUT
-
23
CN
Flying Capacitor
Negative Terminal
V-OUT
V-OUT
Pop Noise
24
MUTE_TC
Suppression
Capacitor
27 OUT6
28 OUT5
29 OUT4
30 OUT3
31 OUT2
32 OUT1
Output6
Output5
Output4
Output3
Output2
Output1
V+A
V+A
100kΩ
50kΩ 1MΩ
V-IN
V+A
V-IN
V-IN
V+A
V+A
200Ω
50Ω 200Ω FB
V+A
V-IN
V-IN
V-IN
-
0V
0V
–5–
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet NJW1241.PDF ] | |
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