ST75C530 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
ST75C530
SUPER INTEGRATED DEVICES WITH DSP, AFE & MEMORIES FORTELEPHONY, MODEM, FAX OVERINTERNET & POTS LINES
STMicroelectronics
'ST75C530' PDF : 84 Pages View PDF
ST75C530 - ST75C540
V - FUNCTIONAL DESCRIPTION (continued)
Figure 13 : Fax Mode
56.2kΩ 1%
270pF
470nF 18.2kΩ 1%
TxA1
TxA2
470nF 18.2kΩ 1%
470pF
+12V
560Ω
GND
47.5kΩ
470nF
30kΩ 1%
1:1 *
22 nF
RxA
VCM
+6V +6V
+12V
1.2kΩ 470nF
2.2nF
GND
6.21kΩ 1%
+6V
+6V +6V
+6V
24.3kΩ 1% 470nF
10kΩ 1%
* Insertion loss = 2.5dB between 0 and 3.4kHz
Figure 14 : Data Mode
24kΩ 1%
470nF 18.2kΩ 1%
TxA1
TxA2
470nF 18.2kΩ 1%
470pF
270pF
+12V
560Ω
GND
47.5kΩ
470nF
30kΩ 1%
1:1 *
22nF
RxA
VCM
+6V +6V
+12V
1.2kΩ 470nF
2.2nF
GND
6.21kΩ 1%
+6V
+6V +6V
+6V
24.3kΩ 1% 470nF
33kΩ 1%
* Insertion loss = 2.5dB between 0 and 3.4kHz
20/84
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