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NJM2705 PDF даташит

Спецификация NJM2705 изготовлена ​​​​«New Japan Radio» и имеет функцию, называемую «Surround Audio Processor for Mobile Applications».

Детали детали

Номер произв NJM2705
Описание Surround Audio Processor for Mobile Applications
Производители New Japan Radio
логотип New Japan Radio логотип 

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NJM2705 Даташит, Описание, Даташиты
NJM2705
Surround Audio Processor for Mobile Applications
s GENERAL DESCRIPTION
The NJM2705 is the surround audio processor for mobile
applications.
It regenerates the 3D surround sound with extremely narrow
space two speakers (2SP mode), headphone surround with
normal headphone (HP mode) and reverberation sound with
only one speaker (1SP mode).
It includes mode control switches for surround function and
standby function and realizes low consumption power design by
standby function.
In addition to SSOP16, ultra small and thin packages FFP16
(Flip-Chip Fine Package) and PCSP16 (Plastic Chip Size
Package) is applied.
It is suitable for cellular phone, PDA and portable game.
s PACKAGE OUTLINE
NJM2705PB1
NJM2705SD3
NJM2705V
s FEATURES
q Operating Voltage
1.8 to 6V
q Operating Current
0.7mA typ. at Active mode
1µA max. at Standby mode
q Low Output Noise
10µVrms typ
(2SP/HP/1SP mode, VR : max.)
q Variable Surround Effect by external resistor
(Adjustable for speaker and headphone independently.)
q Standby Function
q Internal Mode Control Switch
q Bipolar Technology
q Package Outline
FFP16, PCSP16, SSOP16
s BLOCK DIAGRAM
LIN
RIN
3D
Filter
3D
Enha ncer
1SP
Surround
LOUT
ROUT
2SP mode
HP mode
1SP mode
Bypass mode
Surround mode
-1-









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NJM2705 Даташит, Описание, Даташиты
NJM2705
s PIN CONFIGURATION
FFP16 (Top View)
12 11 10 9
13
14
15
16
1234
8
7
6
5
PCSP16 (Top View)
12 11 10 9
13 8
14 7
15 6
16 5
1 23 4
SSOP16 (Top View)
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
1. LIN
2. RIN
3. LOUT
4. ROUT
5. NFSPR
6. NFHPR
7. NFSPL
8. NFHPL
9. LMON
10. PS
11. SW2
12. SW1
13. STBY
14. V+
15. GND
16. VREF
1. ROUT
2. LOUT
3. RIN
4. LIN
5. VREF
6. GND
7. V+
8. STBY
9. SW1
10. SW2
11. PS
12. LMON
13. NFHPL
14. NFSPL
15. NFHPR
16. NFSPR
1. NFHPR
2. NFSPR
3. ROUT
4. LOUT
5. RIN
6. LIN
7. VREF
8. GND
9. V+
10. STBY
11. SW1
12. SW2
13. PS
14. LMON
15. NFHPL
16. NFSPL
-2-









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NJM2705 Даташит, Описание, Даташиты
NJM2705
sABSOLUTE MAXIMUM RATING (Ta=25°C)
PARAMETER
Supply Voltage
SYMBOL
V+
Power Dissipation
PD
Operating Temperature Range
Storage Temperature Range
Topr
Tstg
RATINGS
7
(FFP16) 400
(PCSP16) TBD
(SSOP16) 300
-20 to +75
-40 to +125
sOPERATING VOLTAGE
PARAMETER SYMBOL
Operating Voltage
V+
TEST CONDITION
-
UNIT
V
mW
°C
°C
MIN TYP MAX UNIT
1.8 3.0 6.0
V
sELECTRICAL CHARACTERISTICS (V+=3V, Ta=25°C unless otherwise specified)
TEST CONDITION
PARAMETER SYMBOL
Operating
Current
ICC No Signal
INPUT
LR
OUT
PUT
MODE
SP HP
VR VR
0 0 - Active
0 0 - Standby
MIN
-
-
Reference
Voltage
Vref
No Signal
00 -
-
1.0
TYP
450
0.1
1.15
qAC CHARACTERISTICS
(V+=3V, Ta=25°C, VIN=-20dBV(100mVrms), f=1kHz, RL=10k, unless otherwise specified)
TEST CONDITION
PARAMETER SYMBOL
INPUT
LR
OUT
PUT
MODE
SP HP
VR VR
MIN
TYP
Maximum
VIM1 f=1kHz
Input Voltage
THD=1%
VIN 0
0 VIN
L
R
Bypass
-
-
-2.0
-
(790)
VIM2 f=100Hz
THD=1%
VIN 0
0 VIN
L
R
2SP
MAX -
-16.0
-
(160)
VIM3 f=100Hz
THD=1%
VIN 0
0 VIN
L
R
HP
- MAX
-
-16.0
(160)
VIM4 f=100Hz
THD=1%
VIN 0
L
1SP
MAX -
-16.0
-
(160)
VIM5
VIM6
VIM7
VIM8
VIM9
VIM10
f=100Hz
THD=1%
V+=1.8V,f=1kHz
THD=1%
V+=1.8V,f=100Hz
THD=1%
V+=1.8V,f=100Hz
THD=1%
V+=1.8V,f=100Hz
THD=1%
V+=1.8V,f=100Hz
THD=1%
0 VIN
VIN 0
0 VIN
VIN 0
0 VIN
VIN 0
0 VIN
VIN 0
L
L
R
L
R
L
R
L
0 VIN L
1SP
Bypass
2SP
HP
1SP
1SP
MAX -
--
MAX -
- MAX
MAX -
MAX -
-
-10.5
(300)
-24.5
(60)
-24.5
(60)
-24.5
(60)
-23.0
(70)
-14.5
(190)
-8.5
(380)
-22.5
(75)
-22.5
(75)
-22.5
(75)
-21.0
(90)
Output Noise
VNO1
Rg=0
A-Weighted
L -112
00
Bypass
-
-
-
R (2.5)
VNO2
Rg=0
A-Weighted
L -100
00
1SP
MAX -
-
R (10)
VNO3
Rg=0
A-Weighted
L
00
R
HP
- MAX
-
-100
(10)
VNO4
Rg=0
A-Weighted
-100
00L
1SP
MAX -
-
(10)
MAX UNIT
700 µA
1.0
1.3 V
MAX UNIT
-
-
-
-
-
dBV
(mVrms)
-
-
-
-
-
-106
(5.0)
-94
(20)
-94
(20)
-94
(20)
dBV
(µVrms)
-3-










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