參數(shù)資料
型號(hào): SY88893VKC
廠商: Micrel Inc
文件頁(yè)數(shù): 8/8頁(yè)
文件大?。?/td> 0K
描述: IC AMP POST PECL 3.3V/5V 10-MSOP
標(biāo)準(zhǔn)包裝: 100
類(lèi)型: 限幅后置放大器
應(yīng)用: 光纖學(xué)網(wǎng)絡(luò)
安裝類(lèi)型: 表面貼裝
封裝/外殼: 10-TFSOP,10-MSOP(0.118",3.00mm 寬)
供應(yīng)商設(shè)備封裝: 10-MSOP
包裝: 管件
8/16
BD5460GUL
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
0.1μ
Differential
Input
H:Active
L:Shutdown
Audio
Input+
Audio
Input-
GND
PGND
VDD
PVDD
10μ
C2
A1
C1
A3
C3
0.1μ
VDD
C2
C1
C3
A2
B3
C4
B1
300k
B2
Ri=100k
22μH
1μF
RL BTL
Audio
Precision
etc
RL=Speaker Load
Measument Instrumen
+
-
kHz
34
μF
1
μH
22
π
2
1
LC
π
2
1
fc
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