參數資料
型號: TDA7405TR
廠商: STMICROELECTRONICS
元件分類: 消費家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PQFP44
封裝: 10 X 10 MM, ROHS COMPLIANT, TQFP-44
文件頁數: 32/58頁
文件大?。?/td> 762K
代理商: TDA7405TR
TDA7405
38/57
Figure 38. Weak-Signal Mute-Depth @ 0.5V Threshold
Figure 39. Weak-Signal Mute-Threshold @ 24dB Mute-Depth
11.8 Stereodecoder Testmode
During the Testmode, which can be activated by setting bit D0 and bit D1 of the stereodecoder testing-byte,
several internal signals are available at the FD2R+ pin. During this mode the input resistance of 100kOhm is
disconnected from the pin. The internal signals available are shown in the Data-byte specification.
0.0
0.8
0.1
0.7
0.2
0.6
0.3
0.5
0.4
-40
5
-35
0
-30
-5
-25
-10
-20
-15
Level Voltage / V
M
u
te
D
e
p
th
/
d
B
0.0
0.8
0.1
0.7
0.2
0.6
0.3
0.5
0.4
-30
5
-25
0
-20
-5
-15
-10
Level Voltage / V
M
u
te
D
e
p
th
/
d
B
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PDF描述
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