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NJU7086 PDF даташит

Спецификация NJU7086 изготовлена ​​​​«New Japan Radio» и имеет функцию, называемую «High-Power & Low-Voltage Stereo Audio Power Amplifier».

Детали детали

Номер произв NJU7086
Описание High-Power & Low-Voltage Stereo Audio Power Amplifier
Производители New Japan Radio
логотип New Japan Radio логотип 

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NJU7086 Даташит, Описание, Даташиты
NJU7086
www.DataSheet4U.com
High-Power & Low-Voltage Stereo Audio Power Amplifier
with Electronic Volume
GENERAL DESCRIPTION
The NJU7086 is a stereo audio power amplifier designed
for portable applications. Three input selector and an
electronic volume are built into, and it contributes to a
reduction of the number of external parts. No external
coupling capacitors are required because of the differential
outputs. The closed loop gain is adjusted by two external
resistors. And the standby mode control reduces the supply
current.
The NJU7086 contains pop & click noise protection
circuitry which eliminates noises during turn-on and turn-off
transitions and RF rectification canceling circuitry.
PACKAGE OUTLINE
NJU7086
APPLICATION
Portable DVD/TV
Portable Navigation
PC Monitor
FEATURES
Operating Voltage
V+=2.8 to 5.5V
Three Input Selector
Electronic Volume
0dB~-64dB
Operating Current
IDD1=8 mA typ.
Supply Current in Power Down Mode
IDD4=5µA max.
Output Power
Po=1W/ch typ.
Standby function
Mute Function
Headphone detecting function
Switch function of Differential output and Single ended output
C-MOS Technology
Package Outline
LQFP48
(V+=5V,BTL mode,RL=,No Signal)
(STBY mode)
(V+=5V,RL=8,THD=2%)
BLOCK DIAGRAM
EVROutL GainL
GND VDD
INL1
INL2
INL3
INR1
INR2
INR3
Vrefin
Bias
OutL+
EVR
HP
Sense
EVR
I2C Interface
OutL-
OutR-
Lch SP
HP Sense
HP Jack
stereo
Rch SP
OutR+
EVROutR GainR GND VDD
19-May-09
-1-









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NJU7086 Даташит, Описание, Даташиты
NJU7086
PIN CONFIGURATION (LQFP48)
www.DataSheet4U.com
48
1
37
36
NC NC
GND
GND
OutL-
OutR-
NC HPsense
V+ V+
NJU7086V+
OutL+
V+
OutR+
GND
GND
GainL
GainR
EVROutL
EVROutR
NC NC
M onOutL
M onOutR
12
13
25
24
No. Symbol
Function
No. Symbol
Function
1 NC -
25 MonOutR Rch Monitor Output
2
GND
GND
26 NC -
3
OutL-
Lch- Output
27 EVROutR Rch Electronic Volume Output
4 NC -
5 V+ Power Supply
6 V+ Power Supply
7
OutL+
Lch+ Output
8
GND
GND
28
GND
GND
29
GND
GND
30 OutR+ Rch+ Output
31 V+ Power Supply
32 V+ Power Supply
9
GainL
Lch External gain setting resistance 33
connection
HPsense Headphone Detecting
10 EVROutL Lch Electronic Volume Output
34
OutR-
Rch- Output
11 NC -
35
GND
GND
12 MonOutL Lch Monitor Output
36 NC -
13
INL3
Lch Input 3
37 NC -
14 NC -
38
AUX
Auxiliary Output
15
INL2
Lch Input 2
16 NC -
39 VrefIC Reference Voltage for Internal
Circuit
40
STBY
Standby Setting
17
INL1
Lch Input 1
18 NC -
19 NC -
41 NC -
42
SCL
I2C DATA Input
43
SDA
I2C Clock Input
20
INR1
Rch Input 1
44 NC -
21 NC -
22
INR2
Rch Input 2
23 NC -
24
INR3
Rch Input 3
45 ModeTC Mode Switching-noise Rejection
Capacitor
46
Vrefin
Reference Voltage Input for
External Circuit
47 Vrefout Reference Voltage Output for
External Circuit
48 NC -
*All power supply pin should be connected.
- 2 - 19-May-09









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NJU7086 Даташит, Описание, Даташиты
NJU7086
www.DataSheet4U.com
ABSOLUTE MAXIMUM RATINGS (Ta=25°C)
PARAMETER
SYMBOL
Supply Voltage
V+
Maximum Input Voltage
VIN
Power Dissipation
PD
Output Peak Current
Io
RATINGS
+7
-0.3V to V++0.3V
1660*1)
2500*2)
550
UNIT
V
V
mW
mA
Operating Temperature Range
Topr
-40 to +85
°C
Storage Temperature Range
Tstg
-40 to +150
°C
*1) EIA/JEDEC STANDARD Test board (76.2 x 114.3 x 1.6mm, 2layers, FR-4) mounting
*2) EIA/JEDEC STANDARD Test board (76.2 x 114.3 x 1.6mm, 4layers, FR-4) mounting
Junction Temperature:
Tj = θja (Thermal Resistance) x Pd (Power Dissipation on your application) x Ta(Ambient Temperature)
Tj should be less than 0.8 times of the storage maximum temperature.
RECOMMENDED OPERATING VOLTAGE RANGE (Ta=25°C)
PARAMETER
SYMBOL
TEST CONDITION
Operating Voltage Range
V+
-
MIN.
2.8
TYP.
5.0
MAX.
5.5
UNIT
V
ELECTRICAL CHARACTERISTICS (Ta=25°C,V+=5V, Unless otherwise specified)
PARAMETER
SYMBOL
TEST CONDITION
MIN.
TYP.
IDD1 No signal, RL=, Active/BTL mode
-
8.0
Operating Current
IDD2 No signal, RL=, Active/SE mode - 5.5
IDD3
No signal, RL=, Charge mode
STBY=HPsense=0V
- 200
IDD4
No signal, RL=, STBY mode
STBY=HPsense=0V
--
Reference Voltage 1
VREF
VrefIC
2.25 2.5
Reference Voltage 2
VREFOUT Vrefout,Vrefin= VREF - 0.2V
2.80 3.10
AC Characteristics
Common Characteristics
(Ta=25°C, V+=5V, vol=0dB, Gv=0dB, VIN=-20dBV, f=1kHz, RL=32, SE mode, unless otherwise specified)
PARAMETER
SYMBOL
TEST CONDITION
MIN.
TYP.
Input Resistance
Mute Attenuation 1
Mute Attenuation 2
Cross Talk
RIN
GvMIN1
GvMIN2
CT
INL1~3, INR1~3
Vol=Mute,mode=Active,Vin=1Vrms
Vol=0dB,mode=Mute,Vin=1Vrms
Vin=1Vrms
-
-80
-75
-
50
-
-
70
Monitor Output Gain
GvMON Vin=1Vrms
-1.0 0.0
Power Supply Rejection Raito
Vripple Vripple=1kHz / 100mVrms
- 55
AC Characteristics
Single Ended Operation(SE mode)
(Ta=25°C, V+=5V, vol=0dB, Gv=6dB, VIN=-20dBV, f=1kHz, RL=32, BTL mode, unless otherwise specified)
PARAMETER
SYMBOL
TEST CONDITION
MIN.
TYP.
Maximum Gain
Output Power
Total Harmonic Distortion
Output Noise Voltage
Channel Separation
AC Characteristics
Differential Operation(BTL mode)
GvMAX1 Vol=0dB
-1.5 0.0
PO1 THD=2%,f=1kHz
- 90
THD1 PO1=10mW , BW=400Hz to 30kHz - 0.03
VNO1
Rg=0, Filter = A-weighted
-
-95
(18)
CS1 f=1kHz , Vo=1Vrms , Rg=600
- 70
MAX.
15.0
12.0
400
5.0
2.75
3.30
MAX.
-
-
-
-
+1.0
-
MAX.
+1.5
-
0.3
-
-
UNIT
mA
mA
µA
µA
V
V
UNIT
k
dB
dB
dB
dB
dB
UNIT
dB
mW
%
dBV
(µV)
dB
19-May-09
-3-










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