參數(shù)資料
型號: BD5632NUX-TR
廠商: Rohm Semiconductor
文件頁數(shù): 10/11頁
文件大?。?/td> 0K
描述: IC AMP SPEAKER 1-CH MONO VSON8
標(biāo)準(zhǔn)包裝: 4,000
類型: D 類
輸出類型: 1-通道(單聲道)
在某負(fù)載時最大輸出功率 x 通道數(shù)量: 2.5W x 1 @ 4 歐姆
電源電壓: 2.5 V ~ 5.5 V
特點: 消除爆音,靜音,短路和熱保護
安裝類型: 表面貼裝
供應(yīng)商設(shè)備封裝: *
封裝/外殼: 8-UFDFN 裸露焊盤
包裝: 帶卷 (TR)
8/14
BD5632NUX, BD5634NUX, BD5638NUX
www.rohm.com
2010.06 - Rev.A
2010 ROHM Co., Ltd. All rights reserved.
Technical Note
The way of evaluating Audio characteristic
Evaluation Circuit Diagram
When measuring Audio characteristics, insert LC filter during the output terminal of IC and the speaker load and measure it.
Arrange LC filter as close as possible to the output terminal of IC.
In case of L=22H, C=1F, the cut-off frequency becomes the following.
Use a big current type - Inductor L.
(Reference)
TDK : SLF12575T-220M4R0
STBY
IN+
IN-
OUT-
OUT+
Bias
OSC
PWM
H-
Bridge
0.47μ
Differential
Input
H:Active
L:Shutdown
Audio
Input+
Audio
Input-
GND
VDD
10μ
1
3
4
8
5
0.1μ
VDD
C2
C1
C3
7
C4
6
300k
Ri=100k
22μH
1μF
RL BTL
Audio
Precision
etc
RL=Speaker Load
Measument Instrumen
+
-
kHz
34
μF
1
μH
22
2
1
LC
2
1
fc
π
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