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PDF R2A15908SP Data sheet ( Hoja de datos )
| Número de pieza | R2A15908SP | |
| Descripción | 5 Input Selector 2ch Electronic Volume | |
| Fabricantes | Renesas | |
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R2A15908SP
5 Input Selector 2ch Electronic Volume with Tone & Surround
REJ03F0270-0100
Rev.1.00
Jan 25, 2008
Description
The R2A15908SP is an optimum audio signal processor IC for TV. It has a 5ch input selector with mono switch,
surround, tone control (2band), input gain control and 2ch master volume. It can control all of these functions with I2C
bus.
Features
• Volume 0 to –87dB, –∞ / 1dB step
Each channel is independent control.
• 5 input selector + MUTE with mono switch
• Input gain control 0dB to +20dB / 2dB step
• Tone control Bass : –14dB to +14dB / 2dB step
Treble : – 14dB to +14dB / 2dB step
• Surround Low / High
• Mode selector Bypass / Tone / Tone & Surround
• I2C-bus control
• Package SOP with 28 pin
Application
• Mini stereo, TV, etc.
Recommended Operating Condition
• Supply voltage …… VCC = 9.0V (typ)
System Configuration
+
VCC=9V
IN L1
IN L2
IN L3
IN L4
IN L5
Mono
/Stereo
Input Gain
Control
Volume L
IN R1
IN R2
IN R3
IN R4
IN R5
Input Gain
Control
Volume R
Tone Control
(Bass / Treble)
Surround
MCU
SCL SDA
+
Mode
Selector
Mode
Selector
LOUT
ROUT
REJ03F0270-0100 Rev.1.00 Jan 25, 2008
Page 1 of 13
1 page  
R2A15908SP
Pin Pin Name
22 BASSR1
25 BASSL1
Equivalent Circuit
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R3
R2
R2+R3=80kΩ
23 BASSR2
24 BASSL2
R2
R3
R2+R3=80kΩ
21 TRER
26 TREL
R1
R2
R1+R2=30kΩ
Absolute Maximum Ratings
Parameter
Power supply
Power dissipation
Thermal derating
Operating temperature
Storage temperature
Symbol
VCC
Pd
K
Topr
Tstg
Ratings
10
–20 to +75
–40 to +125
Unit
V
W
mW / °C
°C
°C
Condition
Ta ≤ 25°C
Ta > 25°C (Circuit board installation)
REJ03F0270-0100 Rev.1.00 Jan 25, 2008
Page 5 of 13
5 Page 
R2A15908SP
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Electrical Characteristics
(VCC = 9V, Ta = 25°C, Vi = 100mVrms, f = 1kHz, Tone control = 0dB, Rg = 600Ω, RL = 47kΩ)
General Characteristics
Parameter
Operational power supply
Supply current
Reference voltage
Input impedance
Maximum output voltage
Volume maximum
Volume minimum
Channel balance
Total harmonic distortion
Input selector cross talk
Channel separation
Output noise 1
Output noise 2
Symbol
Limits
Min Typ
Max
Unit
Condition
VCC
ICC
Vref
4.75 9.0 9.7
— 15 25
4.0 4.5 5.0
V
mA No signal
V No signal
RIN 35 50 65 kΩ
VOM
— 2.5 — Vrms VOL = 0dB, THD = 1%
VOLmax –2
0 +2 dB VOL = 0dB
VOLmin — –100 –90 dB VOL = Mute, Vin = 1Vrms, IHF-A
CBAL
–1.5 0 1.5 dB VOL = 0dB
THD
— 0.01 0.5
%
400Hz to 30kHz BPF,
Vo = 0.5Vrms
CT
— –100 –70
dB 400Hz to 30kHz BPF
Vin = 1Vrms
CS
— –100 –70
dB
400Hz to 30kHz BPF
Vin = 1Vrms
Vno1
—
30
50
μVrms
VOL = 0dB, Input gain = 0dB
Tone = 0dB, Surround = Low, IHF-A
Vno2
— 5 15 μVrms VOL = Mute, Input gain = 0dB
Bypass, IHF-A
Tone Control
Parameter
Tone control voltage gain
(Boost/ Bass)
Tone control voltage gain
(Cut/ Bass)
Tone control voltage gain
(Flat/ Bass)
Tone control voltage gain
(Boost/ Treble)
Tone control voltage gain
(Cut/ Treble)
Tone control voltage gain
(Flat/ Treble)
Symbol
G(Bass)B
Limits
Min Typ Max
+11.5 +14 +16.5
Unit Condition
dB f = 100Hz, Bass = +14dB
G(Bass)C –16.5 –14 –11.5 dB f = 100Hz, Bass = –14dB
G(Bass)F
–2
0
+2 dB f = 100Hz, Bass = 0dB
G(Treble)B +11.5 +14 +16.5 dB f = 10kHz, Tre = +14dB
G(Treble)C –16.5 –14 –11.5 dB f = 10kHz, Tre = –14dB
G(Treble)F –2 0 +2 dB f = 100Hz, Tre = 0dB
REJ03F0270-0100 Rev.1.00 Jan 25, 2008
Page 11 of 13
11 Page | ||
| Páginas | Total 14 Páginas | |
| PDF Descargar | [ Datasheet R2A15908SP.PDF ] | |
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