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BH7881EFV Datasheet(PDF) 6 Page - Rohm

Part # BH7881EFV
Description  2W 2W Stereo Speaker / Headphone Amplifier
Download  9 Pages
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Manufacturer  ROHM [Rohm]
Direct Link  http://www.rohm.com
Logo ROHM - Rohm

BH7881EFV Datasheet(HTML) 6 Page - Rohm

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8.
Pop noise at start/end when switching ACTV/SPND
Pop noise can be suppressed by mode transition due to software as in “Pop noise” above, or by hardware as shown
below. This is realized (in SP mode) by forcibly setting HP mode temporarily, using the CR differential circuit.
9.
Power package
1) In order to expand the power dissipation of the package, make the GND pattern, directly below the IC, as wide as
possible and solder the GND pattern to the back of the IC.
2) Power dissipation of the package varies greatly depending on factors such as the number of layers, area, film
thickness, and material quality of the board used.
10. Other
Beween voltages of VCC=1.4 ~ 1.6 V, momentary oscillation sometimes is observed at the SPOUT pin.
Nevertheless, this occurrence is not reproduced on a momentary rise or fall of VCC. When slowly raising VCC pay
attention to transient voltage. In order to avoid such occurrences, a sample circuit is illustrated below:
●Application circuit (1 of 2)
Fig.4 Minimum external components example


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