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BD37524FS-E2 Datasheet(PDF) 7 Page - Rohm |
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BD37524FS-E2 Datasheet(HTML) 7 Page - Rohm |
7 / 26 page Technical Note 7/25 BD37524FS www.rohm.com 2010.03 - Rev.A © 2010 ROHM Co., Ltd. All rights reserved. ●Block diagram and pin configuration Fig.22 BD37524FS Descriptions of terminal Terminal No. Terminal Name Description Terminal No. Terminal Name Description 1 FIL VCC/2 terminal 13 MUTE External compulsory mute terminal 2 A1 A input terminal of 1ch 14 LOUT Output terminal for Level meter 3 A2 A input terminal of 2ch 15 OUTS2 Subwoofer output terminal of 2ch 4 B1 B input terminal of 1ch 16 OUTS1 Subwoofer output terminal of 1ch 5 B2 B input terminal of 2ch 17 OUTR2 Rear output terminal of 2ch 6 CP1 C positive input terminal of 1ch 18 OUTR1 Rear output terminal of 1ch 7 CN C negative input terminal 19 OUTF2 Front output terminal of 2ch 8 CP2 C positive input terminal of 2ch 20 OUTF1 Front output terminal of 1ch 9 D1 D input terminal of 1ch 21 VCC Power supply terminal 10 D2 D input terminal of 2ch 22 SCL I2C Communication clock terminal 11 E1 E input terminal of 1ch 23 SDA I2C Communication data terminal 12 E2 E input terminal of 2ch 24 GND GND terminal GND VCC/2 ★Volume/Mute ★3 Band P-EQ (Tone control) ★Loudness LPF ★Input Gain GND ISO amp Input selector (4 single-end and 1 stereo ISO) 14 100k 100k 100k 100k 250k GND ISO amp 250k 250k 250k 250k 250k 250k Level meter VCC I2C BUS LOGIC ■Fader Gain:+15dB~-79dB/1dB step ★no pop noise ■LPF fc=55/85/120/160Hz ■Loudness Gain:20dB~0dB/1dB step ★no pop noise ・f0=250/400/800Hz ・Hicut:1/2/3/4 ■3 Band P-EQ (Tone control) Gain:+20dB~-20dB/1dB step ★no pop noise ・Bass:f0=60/80/100/120Hz Q=0.5/1.0/1.5/2.0 ・Meddle:f0=500/1k/1.5k/2.5kHz Q=0.75/1/1.25/1.5 ・Treble:f0=7.5k/10k/12.5k/15kHz Q=0.75/1.25 ■Volume Gain:+15dB~-79dB/1dB step ★no pop noise ■Input Gain Gain:+20dB~0dB/1dB step ★no pop noise 1 2 3 4 5 6 7 8 9 10 11 12 13 24 23 22 21 20 19 18 17 16 15 |
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