BD3801FS Ver la hoja de datos (PDF) - ROHM Semiconductor
Número de pieza
componentes Descripción
Lista de partido
BD3801FS Datasheet PDF : 2 Pages
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●Recommended Operating Conditions（Ta=25°C）
Parameter
Symbol Min. Typ. Max. Unit
Power supply voltage
VCC
7.0 −
9.5
V
●Electrical characteristics（Unless otherwise noted; Ta=25°C, Vcc=9V, f=1kHz, VIN=Vrms, Rg=600Ω,
Input gain 0dB, Volume 0dB, Tone 0dB, Fader 0dB）
Parameter
Symbol Min. Typ.
Max. Unit
Conditions
Circuit current at no signal
IQ
−
10
30
mA VIN=0μVrms
Voltage gain
GV
‑1.5 0
1.5
dB
Channel balance
CB
‑1.5 0
1.5
dB CB=GV1-GV2
Total harmonic distortion rate THD
−
0.01 0.1
% VOUT=1Vrms, BW=400-30kHz
Output noise voltage
VNO
−
8
26 μVrms Rg=0Ω, BW=IHF-A
Residual noise voltage
VNOR
−
2
10 μVrms Volume & Fader=-∞dB, Rg=0Ω, BW=IHF-A
Cross talk between channels CTC
−
‑90 ‑80
dB Rg=0Ω, BW=IHF-A
●Electrical characteristic curves
20
15
10
5
0
-5
-10
-15
-20
10
(Reference) Bass gain (f0=30Hz, Q=0.5)
100
1000
10000
Frequency (Hz)
100000
(Reference) Bass quality factor (Gain=14dB, f0=30Hz)
20
15
10
5
0
-5
-10
-15
-20
10
100
1000
10000
Frequency (Hz)
100000
(Reference) Bass center frequency (Gain=14dB, Q=0.5)
20
15
10
5
0
-5
-10
-15
-20
10
100
1000
10000
Frequency (Hz)
100000
●Application Circuit
SDA SCL MUTE
Surround effect LSI
2.2μ 2.2μ 4.7μ
4.7μ
10μ
Vcc 4.7μ 4.7μ 4.7μ 4.7μ
2.2μ
2.2μ
32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17
FIL AGND DGND SDA SCL MUTE SEL Vcc OUTF1 OUTR1 OUTF2 OUTR2 FIN2 FIN1 TOUT1 TOUT2
Vcc/2
I2C BUS
Logic
VCO
Fader
(0~-60,-∞dB,
2dB step)
Fader
(0~-60,-∞dB,
2dB step)
15k 15k
Bass
F0 : 30, 70, 100, 130Hz
Q : 0.5, 0.75, 1.00, 1,25
Mid
F0 : 400Hz, 1kHz
Q : 0.4, 0.6, 0.8, 1.0
Treble
Fc : 5, 7.5, 10, 12.5kHz
Bass, Middle, Treble
(-14~+14dB, 2dB step)
Volume & Soft Mute
(+6~-73, -∞dB,
1dB step)
Input Gain
(0~15, 1dB step)
Bass, Middle, Treble
(-14~+14dB, 2dB step)
Volume & Soft Mute
(+6~-73 -∞dB,
1dB step)
Input Gain
(0~15, 1dB step)
Input Selector (5 stereo include 1 isolation input)
50k 50k
50k
50k 50k 50k 50k
50k
100k 100k 100k 100k 100k 100k 100k 100k 100k 100k 100k 100k
ADJ EXTP1EXTN EXTP2 AP1 AN1 AP2 AN2 B1 B2 C1 C2 D1 D2 E1 E2
1
2
3
4
5
6
7
8
9 10 11 12 13 14 15 16
33k 0.1μ 0.1μ 0.1μ 0.1μ 0.1μ 0.1μ 0.1μ 0.1μ 0.1μ 0.1μ 0.1μ 0.1μ 0.1μ 0.1μ 0.1μ
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