01W039A
Audio sound controller IC
BD3869FS
Description
BD3869F/S is a signal processor IC developed for
audio sound control of TV and mini-component
stereo. Volume and tone can be easily controlled
from micro-controller by two-wire serial control
(I
2
C-BUS). Front volume with loudness, rear volume
with trim, bass, and treble are integrated on a single
chip of SOP18 package (BD3869F) and SDIP18
package (BD3869S). Three ICs (Max.) can be used
simultaneously, due to the three kinds of I
2
C-BUS
slave addresses.
Dimension (Units : mm)
BD3869F
1 1.2±0.2
18
7.8±0.3
5.4±0.2
10
1
1.8±0. 1
9
0. 1 1
1.27
0.4±0. 1
0.3Min
0. 15
SOP18
Features
1) Achieving low noise and low distortion by applying
volume and tone of resistance ladder type.
2) Three ICs (Max.) can be used simultaneously
by I
2
C-BUS control.
3) Compact package: SOP18, SDIP18
4) External components can change bass and treble.
BD3869S
19.4
±
0.3
18
10
6.5
±
0.3
0.5 1Min.
1
9
0.15±0. 1
3.95
±
0.3
7.62
3.4
±
0.2
0.3
±
0. 1
1.778
0.5
±
0. 1
0˚
~
15˚
Applications
TV, Mini component stereo
SDIP18
Absolute Maximum Ratings (Ta=25˚C)
Parameter
Maximum applied voltage
Power dissipation
BD3869F
BD3869S
Symbol
Vcc
Pd
Topr
Tstg
–40
–55
Limits
10
550
∗
1
600
∗
2
Unit
V
mW
Operating temperature range
Storage temperature range
∗
1 Derating : 5.5mW/˚C for operation above Ta=25˚C
∗
2 Derating : 6.0mW/˚C for operation above Ta=25˚C
~
~
+85
+125
˚C
˚C
May, 2001
Recommended Operating Conditions (Ta=25˚C)
Parameter
Power supply voltage
Symbol
V
CC
Min.
4.5
Typ.
9.0
Max.
9.5
Unit
V
Electrical characteristics
(Unless otherwise noted; Ta=25˚C, Vcc=9V, f=1kHz, Vin=1Vrms, Rg=600Ω, RL=10kΩ,
Front volume=0dB, Rear volume=0dB, Bass=0dB, Treble=0dB, Loudness=OFF)
Symbol
IQ
V
IM
VOM
THD
V
NO
CT
V
ATTF
V
ATTR
V
BBMAX
V
BCMAX
V
TBMAX
V
TCMAX
Min.
—
2.2
2.1
—
—
70
–92
—
+11
–17
+11
–17
Typ.
3
2.5
2.25
0.01
2.3
95
–89
–100
+14
–14
+14
–14
Max.
7
—
—
0.2
15
—
–86
–90
+17
–11
+17
–11
Unit
mA
Vrms
Vrms
%
µVrms
dB
dB
dB
dB
dB
dB
dB
Vin=0Vrms
Front Volume=–6dB, THD (Vout)=1%
THD=1%
Vout=1Vrms, BPF=400
–
30kHz
BPF=IHF
–
A, Rg=0Ω
BPF=IHF
–
A
BPF=IHF
–
A
BPF=IHF
–
A
f=80Hz, Vin=100mVrms, Bass=
+
14dB
f=80kHz, Vin=100mVrms, Bass=
–
14dB
f=15kHz, Vin=100mVrms, Treble=
+
14dB
f=15kHz, Vin=100mVrms, Treble=
–
14dB
Parameter
Circuit current at no signal
Maximum input voltage
Maximum output voltage
Total harmonic distortion rate
Output noise voltage
Closs talk
Front volume control range
Rear volume control range
Bass boost control range
Bass cut control range
Treble boost control range
Treble cut control range
Conditions
Application Circuit
5.6k
5.6k
VCC
+
0.1
µ
3 9 0k
0.1
µ
0.1
µ
3 9 0k
0.1
µ
10 0
µ
SCL
SDA
18
FB22
17
FB21
16
FB11
15
FB12
14
OUT2
13
OUT1
12
VCC
11
SCL
10
SDA
f=80Hz
f=80Hz
MUTE
I
2
C B U S L o g i c
REAR
BASS
BASS
MUTE
REAR
VOLUME
VOLUME
VCC/2
25K
+
25K
f=15kHz
TREBLE
FRONT
f=15kHz
TREBLE
VOLUME
BD3869F
FRONT
VOLUME
FT1
1
0.01
µ
FT2
2
0.01
µ
IN1
3
20k
LOUD1 IN2
4
0.1
µ
L O U D 2 CHIP
6
0.1
µ
FILTER GND
8
+
5
20k
7
0.0022
µ
9
0.0022
µ
2 2
µ
CHIP
+
+
2k
2.2
µ
2.2
µ
2k