ROHM BD3824FS

Sound processor for DVD player
BD3824FS
Description
Dimension (Unit : mm)
BD3824FS is a single chip IC for DVD recorder
application. Each function of 5-channel input
selector, input gain, tuner gain, ALC, line amplifier
and power save ON/OFF can be controlled
by I2C BUS.
1
16
Applications
DVD recorder
Absolute Maximum Ratings (Ta=25°C)
Symbol
Limits
Maximum applied voltage
Vcc
10.0
V
Power dissipation
Pd
mW
Topr
950 *
D40 to +85
Tstg
D55
Parameter
Operating temperature range
Storage temperature range
Unit
to +125
°C
°C
*Derating : 9.5mW/°C for operation above Ta=25°C
*PCB (70mmX70mm,t=1.6mm) glass epoxy mounting.
Operating Conditions (Ta=25°C)
Parameter
Supply voltage
Symbol
Min.
Typ.
VCC
7.0
9.0
Max.
9.5
Unit
V
0.11
1) Low distortion rate and low noise
0.8
2) Built-in ALC circuit can be used as RF output
3) Perfect for low current consumption and energy saving
design due to BiCMOS process
4) SSOP-A32 package. Layout terminals for audio input and
audio output are located together to arrange the flow of signal
in the same direction enabling an easy pattern layout and
saving space on the board.
5) Same PCB board as BD3822FS is available.
I2C BUS software of BD3822FS can be used without any modification.
6) Original system is applied, which its input (tuner, FRONT, EXT)
waveform is not distorted at I2C BUS standby mode.
0.36±0.1
0.15±0.1
Features
1.8±0.1
17
5.4±0.2
7.8±0.3
13.6±0.2
32
0.3Min.
0.15
SSOP-A32
Electrical characteristics(Unless otherwise noted;Ta=25°C, Vcc=9V, f=1kHz, VIN=1Vrms, Rg=600W, RL1=4.7kW(LINEOUT1,2),
RL2=10kW(OUT1, OUT2, RF OUT, Tuner1_0, 2_0), input terminal=Front1,Output terminal=OUT1, Gain amp=0dB, Tuner gain=0dB)
Parameter
Circuit current at no signal mode
Symbol
IQ
Min.
-
Typ.
Max.
Unit
-
6.4
940
19.2
1760
mA
mA
IOFF
VOM1
1.68
2.1
-
Vrms
VOM2
2.2
2.5
-
Vrms
CB
-1.5
-
0
1.5
dB
Power OFF MODE
Output terminal=OUT1/OUT2,
RL2=10kW, VOM at THD(VOUT)=1%,
Gain Amp=5dB, BW=400~30kHz
Output terminal=LINE OUT1/LINE OUT2,
RL1=4.7kW, VOM at THD(VOUT)=1%,
External LPF Gvc=6dB, BW=400~30kHz
CB=GV1-GV2
Maximum output voltage 1
Maximum output voltage 2
0.0015
0.05
%
VOUT=2Vrms, BW=400-30kHz
-
2.3
-100
11.5
-80
Standby current
Channel balance
Total harmonic distortion rate
THD
Output noise voltage
VNO
Cross talk between channels
CTC
Conditions
VIN=0Vrms
mVrms Rg=0W, BW=IHF-A
dB
Rg=0W, BW=IHF-A
Application Circuit
DVD
A/D
Front1 Front2
Vcc
D/A
+
SDA
Vcc
Power
RF
SCL ON/OFF OUT SELECT
+
+
+
+
(Ch2)
30
29
0,5dB
27
26
25
-
-
24
23
22
21
Vcc
+
19
18
17
-6.1dB
ALC
-6.1dB
+
+
-
Power
OFF
I2C LOGIC
1/2Vcc
-
20
GND
+
+
-
+
-
+
Vcc
28
0,5dB
+
31
-
(Ch1)
32
+
+
FILTER GND
+
+
+
+
LINE
OUT2
LINE OUT1
OUT1 OUT2
INPUT SELECTOR
BD3824FS
0,8,12dB 0,8,12dB
2
+
1
N.C.
-
+
-
3
(Ch1)
+
(Ch2)
+
4
5
N.C.
N.C.
6
7
(Ch1)
+
8
9
10
11
12
13
14
15
(Ch2)
(Ch1)
(Ch2)
(Ch1)
(Ch2)
(Ch1)
(Ch2)
+
+
+
+
+
+
+
16
+
+
LS
Tuner1 Tuner2
Tuner1_0 Tuner2_0 CAP1 EXT11 EXT12 EXT21 EXT22 EXT31 EXT32
RF BIAS
Appendix
Notes
No technical content pages of this document may be reproduced in any form or transmitted by any
means without prior permission of ROHM CO.,LTD.
The contents described herein are subject to change without notice. The specifications for the
product described in this document are for reference only. Upon actual use, therefore, please request
that specifications to be separately delivered.
Application circuit diagrams and circuit constants contained herein are shown as examples of standard
use and operation. Please pay careful attention to the peripheral conditions when designing circuits
and deciding upon circuit constants in the set.
Any data, including, but not limited to application circuit diagrams information, described herein
are intended only as illustrations of such devices and not as the specifications for such devices. ROHM
CO.,LTD. disclaims any warranty that any use of such devices shall be free from infringement of any
third party's intellectual property rights or other proprietary rights, and further, assumes no liability of
whatsoever nature in the event of any such infringement, or arising from or connected with or related
to the use of such devices.
Upon the sale of any such devices, other than for buyer's right to use such devices itself, resell or
otherwise dispose of the same, no express or implied right or license to practice or commercially
exploit any intellectual property rights or other proprietary rights owned or controlled by
ROHM CO., LTD. is granted to any such buyer.
Products listed in this document are no antiradiation design.
The products listed in this document are designed to be used with ordinary electronic equipment or devices
(such as audio visual equipment, office-automation equipment, communications devices, electrical
appliances and electronic toys).
Should you intend to use these products with equipment or devices which require an extremely high level of
reliability and the malfunction of with would directly endanger human life (such as medical instruments,
transportation equipment, aerospace machinery, nuclear-reactor controllers, fuel controllers and other
safety devices), please be sure to consult with our sales representative in advance.
About Export Control Order in Japan
Products described herein are the objects of controlled goods in Annex 1 (Item 16) of Export Trade Control
Order in Japan.
In case of export from Japan, please confirm if it applies to "objective" criteria or an "informed" (by MITI clause)
on the basis of "catch all controls for Non-Proliferation of Weapons of Mass Destruction.
Appendix1-Rev1.1