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| Sound processor for radio cassette recorder and mini component stereo BD3881FV/BD3882FV Description The BD3881FV incorporates a sound controller with built-in EQ for playing and recording of cassette tape recorder. When the tape recorder is not used, the equalizer can be used as an ordinary input selector. The sound controller block is simply composed of 2-band tones and volume. The BD3882FV incorporates rear volume for improving SN and 3-band tones. The BD3882FV has nearly the same pin assignment as the BD3881FV and both can be used in a variety of applications. Features 1) Built-in EQ for recording and playing of cassette tape recorder 2) Suitable for karaoke (soft) 3) Enable to design boards easily for set series due to the same pin assignment of BD3881FV and BD3882FV 4) Low noise, low distortion and low power consumption Applications CD radio cassette recorder, Mini component stereo, Micro component stereo Dimension (Unit : mm) BD3881FV 28 10.0 0.2 15 7.6 0.3 5.6 0.2 1.15 0.1 0.1 1 14 0.65 0.1 0.22 0.1 SSOP-B28 BD3882FV 13.6 0.2 40 21 7.8 0.3 5.4 0.2 0.3Min. 0.15 0.1 20 1 1.8 0.1 0.1 0.65 0.1 0.22 0.1 0.08 M SSOP-B40 Absolute Maximum Ratings (Ta=25C) Parameter Applied voltage Power dissipation Operating temperature range BD3881FV BD3882FV Symbol VDD VEE Pd Topr Tstg Limits 5 -5 850 900 Unit 1 2 V mW -20 ~ +75 -55 ~ +125 Storage temperature range C C 1 Derating : 8.5mW/C for operation above Ta=25C 2 Derating : 9.0mW/C for operation above Ta=25C PCB (70mmx70mm, t=1.6mm) glass epoxy mounting. Operating Conditions (Ta=25C) Parameter Operating voltage range Operating voltage range Symbol VDD VEE Min. 3.5 -4.75 Typ. Max. 4.75 -3.5 Unit V V 0.3Min. 0.15 0.1 (Unless otherwise noted; Ta=25C, VDD=4.5V, VEE=-4.5V, f=1kHz, Vin=50mVrms, Rg=600, RL=10k, Input selector=Ach, Volume=0dB, Bass=0dB, Treble=0dB) Parameter VDD circuit current at no signal VEE circuit current at no signal Total harmonic distortion rate Output noise voltage Residual noise voltage Bass control range Treble control range Middle control range Electrical characteristics Symbol IQVDD IQVEE THD Vno Vmno Gbcr Gtcr Gmcr Min. +18(11) +12(11) (11) Typ. 3.0(4.5) 0.02(0.01) Max. 8.0(10.0) 0.1 20(60) 20(8) +24(17) +16(17) (17) Unit mA % Vrms Vrms dB dB dB VIn=0Vrms Conditions -8.0(-10.0) -3.0(-4.5) 12(22) 12(3) +21(14) +14(14) (14) BPF=400-30kHz (BPF=IHF-A), Rg=0 (BPF=IHF-A), Rg=0 Vin=5mVrms, (Vin=10mVrms) (Vin=10mVrms), TREBLE=14dB Vin=10mVrms, MIDDLE=14dB ( ) is a characteristic of BD3882FV. Phase relation between I/O signal terminals is the same phase. This product is not designed for protection against radioactive rays. Application Circuit (BD3881FV/BD3882FV) BD3881FV BD3882FV 85k 85k 85k 85k REC1O 390p 1k 0.01 2.2k 10k 2.2k 1.8k 6800p REC2O 0.01 2.7k 1k 10k 2.2k 390p REC1O 0.01 390p 1k 2.2k 2.2k 2.2k 10k REC2O 6800p 0.01 1k 1.8k 2.7k 10k 1.8k 2.2k 390p TUNER CD MD/AUX OUT1 2.2k OUT2 TUNER CD MD/AUX 4.7k 4.7k 5.6k 1.8k 2.2k 180p 6800p 2.2k 180p 10k 10k 10k 10k 10k 10k 0.22 0.22 0.22 0.22 2.2k 180p 2.2k 10k 180p 10k 10k 10k 10k 10k OUT1 4.7 4.7 OUT2 6800p 0.22 0.22 0.22 0.22 0.01 0.01 28 + 27 26 + 25 24 23 INC1 22 INB2 21 INB1 20 INA2 19 INA1 18 OUT1 17 BAS1 16 OUT2 15 BAS2 40 + 39 38 37 36 35 INC1 34 INB2 33 INB1 32 INA2 31 INA1 30 29 28 27 26 25 24 23 22 21 REC1O REC1N REC2N REC2O INC2 REC1O REC1N REC2N REC2O INC2 + RVFIL2 RVFIL1 OUT1 OUT2 BAS12 BAS11 BAS22 BAS21 MID12 MID11 BASS fo=55Hz BASS fo=55Hz REAR VOLUME 20k 9.3k MIDDLE fo=1kHz BASS fo=70Hz + BASS fo=70Hz + REAR VOLUME 20k 9.3k 18dB VOLUME TREBLE fc=10kHz 18dB FRONT VOLUME TREBLE fo=10kHz TREBLE fo=10kHz MIDDLE fo=1kHz Logic Control 20k 9.3k VOLUME TREBLE fc=10kHz PB1N PB1P PB2P PB2N PB2O PB1O VOLIN1 VOLIN2 GND TRE1 TRE2 VDD CONT VEE PB1N PB1P PB2P PB2N FGND PB2O PB1O VOLIN1 VOLIN2 MGND TRE11 TRE12 TRE21 TRE22 MID21 MID22 VDD 1 2 3 4 5 6 2.2 7 2.2 8 9 10 3300p 11 3300p 12 13 14 1 2 3 4 47p 47p 390k 18k 47p 47p 390k 5.6k 5.6k 5.6k 56 6800p 470 1.2k 470p 390k 56 6800p 470 1.2k 10 10 1200p 39k 6800p 56 470 10 1.2k 18k 470p 1200p 39k 56 470 10 TAPE TAPE 1200p 39k 1200p 39k TAPE TAPE + + Logic Control 20k 9.3k FRONT VOLUME SI SC VEE 5 6 7 2.2 8 2.2 9 10 11 0.001 12 0.001 13 0.001 14 0.001 15 0.01 16 0.01 17 18 19 20 470p 18k 390k 6800p 1.2k 18k 470p If necessary, please add a coupling capacitor. 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 use silicon as a basic material. 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-Rev1.0 |
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