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| BD3812F Audio ICs 2 channel Volume IC BD3812F BD3812F is a sound processor IC that has features of volume, and gain amplifier required for AV receiver and mini-component stereo. Up to 4 chips can be used with common bus line by chip select pin. Applications AV receiver and mini stereo set. External dimensions (Unit : mm) 8.70.2 14 8 6.20.3 Features 1) Volume residual noise : 1.2 Vrms {Dynamic range : 131dB (IHF-A)} 2) Volume is 2ch-independence. (0 to -103dB, MUTE 1dB / step) 3) BUS is common and be possible to maximum 8channnel-ization of 6ch-Volume IC. 4) It can be controlled until 4 chips with common bus line at the same time. 5) Maximum output voltage : 4.2Vrms (Vcc=7V, VEE=-7V, RL=10k) 6) The serial data control of 2-wire type. (correspond to 3.3V and 5V) 7) Built-in the convenient output gain amp.(0, 6 to 18dB, 2dB / step) for the adjustment of the output signal. 8) Output mute be able to serial data and external mute terminal both. 4.40.2 1 7 1.50.1 0.150.1 0.1 0.11 1.27 0.40.1 SOP14 Absolute maximum ratings (Ta=25C) Parameter Impressed voltage Input voltage Power dissipation Operating temperature Storage temperature + + Symbol VCC-VEE VIN Pd Topr Tastg Limits 15 VCC+0.3 to VEE-0.3 450 -20 to +75 Unit V V mW -55 to +125 C C This value decreases 4.5mW/ C for Ta=25C or more. A standard board,70 70 1.6mm, shall be mounted. Operating voltage range (Ta=25C) Parameter Power supply (Positive) Power supply (Negative) Symbol VCC-GND VEE-GND Min. 5 -5 Typ. - - Max. 7.3 -7.3 Unit V V Rev.A 0.3Min. 1/2 BD3812F Audio ICs Electrical Characteristics (Unless otherwise noted, Ta=25C, VCC=7V, VEE=-7V, f=1kHz, VIN=1Vrms, RL=10k, Rg=600, Master volume=0dB, Output gain=0dB) Parameter Circuit current Output voltage gain Total harmonic distortion ratio Maximum output voltage Output noise voltage Input impedance Cross-talk between channels Volume control range Maximum attenuation Output gain control range 7pin Symbol 5pin Min. Typ. Max. Unit Conditions No signal Measure : Pin13, 14 Measure : Pin13, 14, BW=40030kHz Measure : Pin13, 14, THD=1% Measure : Pin13, 14, Rg=0, BW=HF-A Measure : Pin1, 3 Measure : Pin13(OUT2), Rg=0, BW=IHF-A, Reference : Pin14(OUT1)=1Vrms Measure : Pin13, 14, VIN=3Vrms BW=IHF-A, Measure : Pin13, 14, VIN=3Vrms Measure : Pin13, 14, VIN=0.4Vrms IQ GV THD Vomax Vno Rin CTC GVR Vmin GOG - -2 - 3.4 - 20 - -106 - 16 2 0 0.005 4.2 1.2 30 -100 -103 -118 18 6 +2 0.09 - 5 40 -70 -100 -105 20 mA dB % Vrms Vrms k dB dB dB dB Application circuit diagram 10 + IN 1 AGND 1 + 14 - OUT1 OUT2 SEL 2 13 12 + IN 2 3 + 10 AGND VEE + 4 - 11 10 LOGIC DGND MUTE DA CL 5 47 AGND + 6 47 9 8 VCC 7 BD3812F UNIT CAPACITOR : F Rev.A 2/2 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 |
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