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BD3882FV PDF 데이터시트 : 부품 기능 및 핀배열

부품번호 BD3882FV
기능 Audio sound controller
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BD3882FV 데이터시트, 핀배열, 회로
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Structure :
Product :
Type :
Silicon Monolithic Integrated Circuit
Audio sound controller
BD3882FV
Feature :
1.Dual built-in recording and playing preamplifiers for cassette tapes
Less external components allows a compact size of the set.
2.The shock sound at power-ON/OFF is absorbed by both power sources.
The reference voltage of signal systems is designed to be a ground level so that
low offset voltage and low noise are achieved.
Absolute Maximum Ratings (Ta=25℃)
Parameter
Symbol
Limits
Power Supply Voltage
VDD
VEE
5
-5
Power Dissipation
Pd
900※
Operating Temperature
Topr
-20~+75
Storage Temperature
Tastg
-55~+125
※Over Ta=25C, derating at the rate of 9.0mW/C.
When installed on the standard board (Size: 70×70×1.6mm).
Operating Voltage Range
Symbol
Limit
VDD 3.5~4.75
VEE -4.75~-3.5
(It must function normally at Ta = 25℃)
Unit
V
V
Unit
V
mW
Application example
Note that ROHM cannot provide adequate confirmation of patents.
The product described in this specification is 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 this product with equipment or devices which require an extremely high level of reliability and the
malfunction of which 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.
REV. B




BD3882FV pdf, 반도체, 판매, 대치품
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Pin number・Pin name
Pin number Pin name
1 PB1N
2 PB1P
3 PB2P
4 PB2N
5 FGND
6 PB2O
7 PB1O
8 VOLIN1
Pin number
9
10
11
12
13
14
15
16
Pin name
VOLIN2
MGND
TRE11
TRE12
TRE21
TRE22
MID21
MID22
Pin number
17
18
19
20
21
22
23
24
Pin name
VDD
SI
SC
VEE
MID11
MID12
BAS21
BAS22
Pin number
25
26
27
28
29
30
31
32
Pin name
BAS11
BAS12
OUT2
OUT1
RVFIL1
RVFIL2
INA1
INA2
Pin number
33
34
35
36
37
38
39
40
Pin name
INB1
INB2
INC1
INC2
REC2O
REC2N
REC1N
REC1O
Cautions on use
1About operating voltage range and operating temperature range
Within the Operating Voltage Range and the Operating Temperature Range, while basic circuit functional
operations are supposed to be guaranteed, the standard values of the electrical characteristics are
guaranteed only when used under the specific conditions defined within these ranges. Thus, the users
must verify those conditions before setting constants, elements, voltages, and temperatures. Note that
the conditions of power dissipation are also affected with temperatures.
2About power on reset
A built-in circuit for performing initialization inside the IC at power-ON is provided. In the case of the
set design, however, to be on the safe side, it is recommended that data shall be sent to all the addresses
as initial data at power-ON and, until this sending operation is completed, the mute shall be applied.
Function
Input Selector
REC Output
Karaoke
Front Volume
Rear Volume
Treble Gain
Middle Gain
Bass Gain
Initial Condition
MUTE
REC MUTE
Stereo
-dB
-18dB
0dB
0dB
0dB
3About 2-wire serial control
As the terminals of SI and SC are designed for inputting high-frequency digital signals, the wiring and
layout patterns should be routed not to cause interference with the analog-signal-related lines.
4About power ON/OFF
Shock sound absorbing measures at power ON/OFF are implemented on 5pin, 6pin, 16pin, 18pin, 25pin,
and 28pin for BD3881FV, as well as on 6pin, 7pin, 27pin, 28pin, 37pin, and 40pin for BD3882FV. When
booting up power supplies, the VEE side should be booted a little bit earlier than the other side. If the
VDD side is booted up first, an excessive current may pass VDD through VEE. When booting off the
power supply, the VDD side should be booted off a little bit earlier than the other side. Note that, at this
time, voltage change passing through the GND level may produce an abnormally large current.
5About function switching
On switching between the Front Volume, Rear Volume, Bass, Middle, Treble, Karaoke, and REC Mute
functions, the action has been taken to absorb such switching shock sound. For the other function
switching operations, a combined use of MUTE is recommendable.
REV. B

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부품번호상세설명 및 기능제조사
BD3882FV

Audio sound controller

Rohm
Rohm

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