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BD3461FS 数据表(PDF) 1 Page - Rohm |
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BD3461FS 数据表(HTML) 1 Page - Rohm |
1 / 32 page ○Product structure:Silicon monolithic integrated circuit ○This product has no designed protection against radioactive rays 1/28 TSZ02201-0C2C0E100360-1-2 © 2015 ROHM Co., Ltd. All rights reserved. 16.Dec.2015 Rev.001 TSZ22111・14・001 www.rohm.com General-Purpose 6ch Electronic Volume with Built-in Advanced Switch BD3461FS General Description BD3461FS is a 6ch electronic volume which has the best audio efficiency in the industry. It has an external sound mixing function (with volume) in the favorite channel for mixing of portable audio and car navigation ’s guide sound. Also, BD3461FS has a volume switching shock sound prevention technique called “Advanced Switch,” supporting the construction of high quality car audio space by simple control. Features Reduce switching noise of volume by using Advanced Switch circuit. Mixing for external sound monaural 3ch. It is possible that is mixed to front/Rear/Sub output Lch/Rch independently. Built-in 3ch ATT for external sound mixing that can be controlled independently. Built-in buffered ground isolation amplifier inputs, ideal for external input. Energy-saving design resulting in low-current consumption by utilizing the Bi-CMOS process. It has the advantage in quality over scaling down the power heat control of internal regulators. Arranges all I/O terminals together for easier PCB layout and smaller PCB area. I2C BUS can be controlled by 3.3V / 5V. Applications It is optimal for car audio. It can also be used for car navigation, audio equipment of mini Compo, micro Compo, DVD, TV, etc. Key Specifications Power Supply Voltage Range: 7.0V to 9.5V Circuit Current (no signal): 25mA(Typ) Total Harmonic Distortion: 0.0004% (Typ) Maximum Input Voltage: 2.35Vrms (Typ) Cross-talk between Selectors: -105dB (Typ) Volume Control Range: +23dB to -79dB Output Noise Voltage: 1.9µVrms(Typ) Residual Output Noise Voltage: 1.6µVrms (Typ) Operating Temperature Range: -40°C to +85°C Package W(Typ) x D(Typ) x H(Max) Typical Application Circuit VCC OUTS2 INR1 10μ 0.1μ 4.7μ OUTS1 OUTR2 OUTR1 OUTF2 OUTF1 SDA SCL CS 4.7μ 4.7μ 4.7μ 4.7μ 1μ 1μ 1μ 10μ 4.7μ 10μ 10μ GND FIL 2.2K 4.7μ 1μ 1μ 1μ 10μ 10μ INF1 INF2 INR2 INS1 INS2 EXT3 EXT1 EXT2 DIFFOUT NIN PIN 10μ I2C BUS LOGIC 100k 22 21 20 19 18 17 16 15 14 13 3 4 5 6 7 8 9 10 11 12 100k 100k 100k 100k 24 23 1 2 VCC/2 100k 100k 100k BUFFERED GND ISO AMP VCC GND 100k 100k 100k Independent control ■6ch Volume +23dB~-79dB/1dB step,-∞ ★:Advanced switch circuit ■Mixing ATT 0dB~-32dB/8dB step, -32dB~-64dB/16dB step,-∞ +23dB to -79dB / 1dB 0dB to -32dB / 8dB -32dB to -64dB / 16dB Unit R : [Ω] C : [F] SSOP-A24 10.00mm x 7.80mm x 2.10mm Datasheet Datasheet |
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类似说明 - BD3461FS |
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