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ST75C540 数据表(PDF) 20 Page - STMicroelectronics

部件名 ST75C540
功能描述  SUPER INTEGRATED DEVICESWITH DSP, AFE & MEMORIES FORTELEPHONY,MODEM, FAXOVERINTERNET& POTSLINES
PDF  84 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

ST75C540 数据表(HTML) 20 Page - STMicroelectronics

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V - FUNCTIONAL DESCRIPTION (continued)
GND
+12V
47.5k
Ω
+6V
+6V
470pF
18.2k
Ω 1%
18.2k
Ω 1%
470nF
470nF
270pF
24k
Ω 1%
TxA1
TxA2
1.2k
Ω
33k
Ω 1%
24.3k
Ω 1% 470nF
560
Ω
470nF
30k
Ω 1%
6.21k
Ω 1%
+6V
RxA
2.2nF
VCM
+6V
+6V
22nF
+6V
470nF
1:1 *
* Insertion loss = 2.5dB between 0 and 3.4kHz
GND
+12V
Figure 14 : Data Mode
GND
+12V
47.5k
Ω
+6V
+6V
470pF
18.2k
Ω 1%
18.2k
Ω 1%
470nF
470nF
270pF
56.2k
Ω 1%
TxA1
TxA2
1.2k
Ω
10k
Ω 1%
24.3k
Ω 1% 470nF
560
Ω
470nF
30k
Ω 1%
6.21k
Ω 1%
+6V
RxA
2.2nF
VCM
+6V
+6V
22nF
+6V
470nF
1:1 *
* Insertion loss = 2.5dB between 0 and 3.4kHz
+12V
GND
Figure 13 : Fax Mode
ST75C530 - ST75C540
20/84



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