9WF0424F601 - ON SEMICONDUCTOR

1/4

REV. B

Structure : Silicon Monolithic Integrated Circuit

Product : Audio sound controller

Type :

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 Unit

Power Supply Voltage VDD 5 V

VEE -5

Power Dissipation Pd 900※ mW

Operating Temperature Topr －20～＋75 ℃

Storage Temperature Tastg －55～＋125 ℃

※Over Ta＝25C, derating at the rate of 9.0mW/C.

When installed on the standard board (Size: 70×70×1.6mm).

Operating Voltage Range

Symbol Limit Unit

VDD 3.5～4.75 V

VEE -4.75～-3.5 V

(It must function normally at Ta = 25℃)

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.

2/4

REV. B

Electrical characteristics

(Ta = 25C, VDD = 4.5V, VEE = -4.5V, f = 1kHz, Vin = 50mVrms, Rg = 600, RL = 10k, Input Selector = Ach,

Front Volume=0dB, Rear Volume=0dB, Bass=0dB, Middle=0dB, Treble=0dB, unless otherwise noted.)

Parameter Symbol Limit Unit Conditions

Min. Typ. Max.

GENERAL

VDD Circuit Current IQVDD - 4.5 10.0 mA Vin = 0Vrms

VEE Circuit Current IQVEE -10.0 -4.5 -

Ach Maximum Input Voltage Vaim

0.6 0.8 - Vrms

THD(Vout) =1%, BPF = 400～30kHz

Front Volume = -6dB

Rear Volume = -18dB

Bch Maximum Input Voltage Vbim

Cch Maximum Input Voltage Vcim

Maximum Input Voltage TP Vimtp 0.6 0.8 - Vrms

THD(Vout)=1%, BPF = 400～30kHz

GAIN = 10dB, Front Volume = -6dB

Rear Volume = -18dB

Maximum Output Voltage Vom 2.2 2.5 - Vrms THD = 1%, BPF = 400～30kHz

Voltage Gain Gv 26 28 30 dB Gv = 20log(Vout/Vin)

Channel Balance CB -1.5 0 1.5 dB CB = Gv1-Gv2

Total Harmonic Distortion Ratio THD - 0.01 0.1 ％ BPF = 400-30KHz

Output Noise Voltage ＊ Vno - 22 60 μVrms BPF = IHF-A, Rg = 0Ω

Residual Noise Voltage ＊ Vmno - 3 8 μVrms

Volume=-∞, BPF = IHF-A, Rg=0Ω

Cross-talk between Channels * CT 70 85 - dB CT = 20log(Vin/Vout)

BPF = IHF-A, Rg = 0Ω

Output Impedance Rout －－ 50 Ω

INPUT

Voltage Gain A Gva

8 10 12 dB

Voltage Gain B Gvb

Voltage Gain C Gvc

Cross-talk between Selectors A1ch→B1ch * CTab1

－ -110 -70 dB Rg = 0Ω, BPF = IHF-A

Vin=500mVrms

Cross-talk between Selectors A2ch→B2ch * CTab2

Cross-talk between Selectors B1ch→C1ch * CTbc1

Cross-talk between Selectors B2ch→C2ch * CTbc2

Cross-talk between Selectors C1ch→A1ch * CTca1

Cross-talk between Selectors C2ch→A2ch * CTca2

Selector Output Impedance Rsout －－ 50 Ω

KARA

OKE

Karaoke Voltage Gain 1ch mono Gk1 8 10 12 dB 1ch mono

Karaoke Voltage Gain 2ch mono Gk2 8 10 12 dB 2ch mono

Karaoke Voltage Gain 1ch + 2ch Gk12 8 10 12 dB 1ch+2ch

RECODING EQ

Voltage Gain RC Gvrc 38 40 42 dB f=10kHz

Maximum Output Voltage RC Vomrc 2.2 2.5 - Vrms THD=1%, BPF=400～30kHz

Input conversion Noise Voltage RC Vnorc - 1.5 3.0 μVrms Rg = 0Ω, BPF = IHF-A

Slew Rate RC Vtr 2 4 - V/μS

PLAY

BACK EQ

Voltage Gain TP Gvtp 44 46 48 dB f=10kHz

Maximum Output Voltage TP Vomtp 2.2 2.5 - Vrms THD=1%, BPF=400～30kHz

Input conversion Noise Voltage TP Vnotp - 1.1 2.0 μVrms Rg=2.2kΩ, BPF=IHF-A, Gv=20dB

FRONT VOLUME

Volume Maximum Input Voltage Vimv 1.5 1.9 ― Vrms

THD(Vout)=1%, BPF=400～30kHz

Front Volume ATT=-6dB

Rear Volume ATT=-18dB

Volume Input Impedance Rvin 14 20 26 KΩ

Volume Control Range Vr -79 -76 -73 dB BPF = IHF-A

Volume Control Step 1 Sv1 - 2 - dB 0dB to –36dB

Volume Control Step 2 Sv2 - 4 - dB -36dB to –76dB

Volume Setting Error F Evf -2 0 2 dB 0dB to –76dB

Volume Maximum Attenuation * ATTm － -116 -90 dB Volume = -∞, BPF = IHF-A

ATT=20log(Vout/Vin)-18dB

REAR

VOLUME

Volume Control Range RVr -20 -18 -16 dB BPF=400～30kHz

Volume Setting Error R Evrr -2 0 2 dB All steps

3/4

REV. B

Parameter Symbol Limit Unit Conditions

Min. Typ. Max.

BASS

Bass Boost Control Range Gbbr +11 +14 +17 dB f = 55Hz, Vin = 10mVrms

BASS = +14dB

Bass Cut Control Range Gbcr -17 -14 -11 dB f = 55Hz, Vin = 10mVrms

BASS = -14dB

Bass Control Step Sbc - 2 - dB

f = 55Hz

Vin = 10mVrms

Bass Setting Error (-12dB～12dB) Ebs1 -2 0 2 dB

Bass Setting Error ±14dB Ebs2 -3 0 3 dB

TREBLE

Treble Boost Control Range Gｔbr +11 +14 +17 dB f = 10kHz, Vin = 10mVrms

TREBLE = +14dB

Treble Cut Control Range Gtcr -17 -14 -11 dB f = 10kHz, Vin = 10mVrms

TREBLE = -14dB

Treble Control Step Stc - 2 - dB

f = 10kHz

Vin = 10mVrms

Treble Setting Error (-12dB～12dB) Ets1 -2 0 2 dB

Treble Setting Error (±14dB) Ets2 -3 0 3 dB

MIDDLE

Middle Boost Control Range Gmbr +11 +14 +17 dB f = 1kHz, Vin = 10mVrms

MIDDLE = +14dB

Middle Cut Control Range Gmcr -17 -14 -11 dB f = 1kHz, Vin = 10mVrms

MIDDLE = -14dB

Middle Control Step Smc - 2 - dB

f = 1kHz

Vin = 10mVrms

Middle Setting Error (-12dB～12dB) Ems1 -2 0 2 dB

Middle Setting Error (±14dB) Ems2 -3 0 3 dB

※The operational amplifier for PB should be used with the gain of 10dB or above.

※The input voltage over 1.9Vrms(Typ.) causes a distortion on the output wave at around the setting of Front Volume=0dB.

Therefore, using at 1.9Vrms or less is recommended.

※For measurement, VP-9690A (Average value wave detection, Effective value display) IHF-A filter by Matsushita

Communication Industrial is used.

※Phase relation between Input/Output signal terminals is Equiphase.

※Not designed for radiation resistance.

Outline dimension・Marking dimension Block Diagram

7698435 12 11 10 14 13 21 1615 17 18 19 20

29 30 313233 27 28 3435

37383940 26 25 24 23 22 21

RVFIL1 RVFIL2

PB１N PB2N VOLIN1 MGND

VOLIN2

BAS12

PB1P PB2P TRE21 TRE11 MID21 MID22

REC2OREC2NREC1NREC1O

Logic Control

PB1OPB2O

9.3k

20k

9.3k

VDD SI VEE SC

BASS

OUT1

TRE12 TRE22

FRONT

VOLUME

FGND

OUT2 BAS11 BAS22 MID11MID12

INC1INC2 INB1INB2 INA1 INA2 BAS21

REAR

VOLUME

REAR

VOLUME

FRONT

VOLUME

BASS

MIDDLE

TREBLE

BD3882FV

LOT No.

SSOP-B40 (Unit：mm)

Unit: Resistance = Ω

4/4

REV. B

Pin number・Pin name

Pin number Pin name Pin number Pin name Pin number Pin name Pin number Pin name Pin number Pin name

1 PB1N 9 VOLIN2 17 VDD 25 BAS11 33 INB1

2 PB1P 10 MGND 18 SI 26 BAS12 34 INB2

3 PB2P 11 TRE11 19 SC 27 OUT2 35 INC1

4 PB2N 12 TRE12 20 VEE 28 OUT1 36 INC2

5 FGND 13 TRE21 21 MID11 29 RVFIL1 37 REC2O

6 PB2O 14 TRE22 22 MID12 30 RVFIL2 38 REC2N

7 PB1O 15 MID21 23 BAS21 31 INA1 39 REC1N

8 VOLIN1 16 MID22 24 BAS22 32 INA2 40 REC1O

Cautions on use

1．About 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.

2．About 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.

3．About 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.

4．About 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.

5．About 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.

Function Initial Condition

Input Selector MUTE

REC Output REC MUTE

Karaoke Stereo

Front Volume -dB

Rear Volume -18dB

Treble Gain 0dB

Middle Gain 0dB

Bass Gain 0dB

R1120

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Examples of application circuits, circuit constants and any other information contained herein

illustrate the standard usage and operations of the Products. The peripheral conditions must

be taken into account when designing circuits for mass production.

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use of such technical information.

The Products specied in this document are intended to be used with general-use electronic

equipment or devices (such as audio visual equipment, ofce-automation equipment, commu-

nication devices, electronic appliances and amusement devices).

The Products specied in this document are not designed to be radiation tolerant.

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Product may fail or malfunction for a variety of reasons.

Please be sure to implement in your equipment using the Products safety measures to guard

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shall bear no responsibility whatsoever for your use of any Product outside of the prescribed

scope or not in accordance with the instruction manual.

The Products are not designed or manufactured to be used with any equipment, device or

system which requires an extremely high level of reliability the failure or malfunction of which

may result in a direct threat to human life or create a risk of human injury (such as a medical

instrument, transportation equipment, aerospace machinery, nuclear-reactor controller, fuel-

controller or other safety device). ROHM shall bear no responsibility in any way for use of any

of the Products for the above special purposes. If a Product is intended to be used for any

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