DataSheet26.com

NJU72040 PDF даташит

Спецификация NJU72040 изготовлена ​​​​«New Japan Radio» и имеет функцию, называемую «Ground Referenced Stereo Headphone Amplifier».

Детали детали

Номер произв NJU72040
Описание Ground Referenced Stereo Headphone Amplifier
Производители New Japan Radio
логотип New Japan Radio логотип 

19 Pages
scroll

No Preview Available !

NJU72040 Даташит, Описание, Даташиты
NJU72040
Ground Referenced Stereo Headphone Amplifier
„ GENERAL DESCRIPTION
The NJU72040 is an audio headphone amplifier .
Ground-referenced outputs eliminate output coupling
capacitor. The pop noise suppression circuit removes a pop
noise at the power-on and power-off.
It is suitable for audio headphone amplifer application
„ APPLICATIONS
q Audio applications which have audio headphone interface
s PACKAGE OUTLINE
NJU72040V
„ FEATURES
q Operating Voltage
q Operating Current
q Output Coupling Capacitor-less
q Pop Noise Suppression Circuit
q Gain Select
q C-MOS Technology
q Package Outline
+2.7 to +3.6V
IDD=10.5mA typ.
at V+=3.3V, No load, No Signal
SSOP14
„ BLOCK DIAGRAM
inverted
phase
INL-
INL+
V+ Reg
V+ V+
INR-
INR+
inverted
phase
32
Headphone
OUTL
V+
Pop Noise
Suppression
CP
Regulator
CN
Pop Noise
Suppression
OUTR
GND
Bias 3MMUTE
V-
32
Headphone
V+
GAIN 100k
Gain Select
REF
Ver. 1.2E
–1–









No Preview Available !

NJU72040 Даташит, Описание, Даташиты
NJU72040
„ PIN CONFIGURATION
INL-
1
INL+
OUTL
V+
CP
CN
GAIN
7
NJU72040
14
INR-
INR+
OUTR
GND
MUTE
V-
REF
8
No. Symbol
Function
1 INL-
Lch Inverted Input
2 INL+
Lch Noninverted Input
3 OUTL
Lch Output
4 V+
V+ Power Supply
5 CP Flying Capacitor Positive Terminal
6 CN Flying Capacitor Negative Terminal
7 GAIN
Gain Select
No. Symbol
Function
8 REF
Reference Voltage Input
9 V-
V- Power Supply
10 MUTE MUTE / Pop Noise Suppression
11 GND
Ground
12 OUTR
Rch Output
13 INR+
Rch Inverted Input
14 INR-
Rch Noninverted Input
–2–









No Preview Available !

NJU72040 Даташит, Описание, Даташиты
NJU72040
„ ABSOLUTE MAXIMUM RATING (Ta=25°C)
PARAMETER
SYMBOL
RATING
Supply Voltage
Power Dissipation
Maximum Input Voltage
V+
PD
VIM
+4
SSOP14 : 550(Note1)
V+ +0.3
Operating Temperature Range
Topr
-40 ~ +85
Storage Temperature Range
Tstg
-40 ~ +125
(Note1) EIA/JEDEC STANDARD Test board (76.2x114.3x1.6mm, 2layer, FR-4) mounting
s RECOMMENDED OPERATING CONDITIONS
(Ta=25°C unless otherwise specified)
PARAMETER
SYMBOL
Operating Voltage
V+
TEST CONDITION
MIN.
2.7
UNIT
V
mW
V
°C
°C
TYP. MAX.
3.3 3.6
UNIT
V
„ ELECTRICAL CHARACTERISTICS
(Ta=25°C, V+=3.3V, f=1kHz, Vin=0.1Vrms[differential input], Gv=6.4dB, MUTE=OFF, RL=32unless otherwise specified)
PARAMETER
SYMBOL
TEST CONDITION
MIN. TYP. MAX. UNIT
Operating Current
Input Resistance1
Input Resistance2
Voltage Gain1
Voltage Gain2
Voltage Gain3
Voltage Gain4
Maximum Output Power1
Maximum Output Power2
Maximum Output Voltage Level
Mute Level
Equivalent Input Noise Voltage
Total Harmonic Distortion1
Total Harmonic Distortion2
Channel Separation1
IDD
Rin1
Rin2
GV1
GV2
GV3
GV4
POMAX1
POMAX2
VOMAX
VMUTE
VNI
THD1
THD2
CS1
No signal, No load
INL-, INR-
INL+, INR+
Gain Terminal=Low
Gain Terminal=High
Gain Terminal=Low, RL=10k
Gain Terminal=High, RL=10k
THD=3%,RL=32
Input=Lch or Rch
THD=3%,RL =32
Input=Lch and Rch
THD=1%, RL=10k
Rg=0, Mute=ON
Rg=0, BW:400Hz-22kHz
BW:400Hz-22kHz, RL=32
BW:400Hz-22kHz, RL=10k
Rg=600,(*1)
- 10.5 15.5
49 61 73
103 129 155
5.4 6.4 7.4
11.4 12.4 13.4
6.6 7.1 7.6
12.6 13.1 13.6
- 80 -
- 55 -
- 2.2 -
- -90 -80
- -100 -95
- 0.08 0.3
- 0.007 0.05
65 75
-
mA
k
k
dB
dB
dB
dB
mW
mW
Vrms
dB
dBV
%
%
dB
Channel Separation2
CS2 Rg=600,f=10kHz,(*1)
55 65
-
dB
Output Offset Voltage
VOS Rg=0,Gv=12.4Db, No load
- 1 5 mV
(*1)OUTL(measured terminal): 20log(OUTR/OUTL) , OUTR(measured terminal): 20log(OUTL/OUTR)
„ CONTROL CHARACTERISTICS
(Ta=25°C, V+=3.3V, Gv=6.4dB, MUTE=OFF, RL=32unless otherwise specified)
PARAMETER
SYMBOL
TEST CONDITION
MIN. TYP. MAX. UNIT
Mute terminal High
Mute terminal Low
Gain terminal High
Gain terminal Low
MuteH
MuteL
GainH
GainL
Mute=OFF
Mute=ON
Gv=12.4dB
Gv=6.4dB
0.8 V+
-
V+
0 - 0.2 V+
0.8 V+
-
V+
0 - 0.2 V+
V
V
V
V
–3–










Скачать PDF:

[ NJU72040.PDF Даташит ]

Номер в каталогеОписаниеПроизводители
NJU72040Ground Referenced Stereo Headphone AmplifierNew Japan Radio
New Japan Radio

Номер в каталоге Описание Производители
TL431

100 мА, регулируемый прецизионный шунтирующий регулятор

Unisonic Technologies
Unisonic Technologies
IRF840

8 А, 500 В, N-канальный МОП-транзистор

Vishay
Vishay
LM317

Линейный стабилизатор напряжения, 1,5 А

STMicroelectronics
STMicroelectronics

DataSheet26.com    |    2020    |

  Контакты    |    Поиск