SI2457-D-FS Silicon Laboratories Inc, SI2457-D-FS Datasheet - Page 248
SI2457-D-FS
Manufacturer Part Number
SI2457-D-FS
Description
IC ISOMODEM SYSTEM-SIDE 16SOIC
Manufacturer
Silicon Laboratories Inc
Specifications of SI2457-D-FS
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
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Note: If two values are given, the resistance measured is dependent on polarity.
Q1, Q3, Q4, Q5:
Base (red lead) to Emitter (black lead)
Base (red lead) to Collector (black lead)
(Verifies transistors are NPN)
Q2:
Emitter (red lead) to Base (black lead)
Collector (red lead) to Base (black lead)
(Verifies transistor is PNP)
Collector of Q2 (red lead)
to pin 1 of Si3018/10 (black lead)
If test fails, Z1 is reversed.
Table 150. Voltages across Components with Diode Checker
Si3018/10
Table 149. Resistance across Components
RV1
FB1
FB2
R10
R12
R13
R15
R16
R11
R1
R2
R3
R4
R5
R6
R7
R8
R9
C1
C2
C3
C4
C7
C8
C9
Component
Rev. 1.3
3.5 M or 9.7 M
2 M or 5 M
4.5 or 16 M
4.5 or 16 M
Resistance
> 800 k
> 20 M
> 20 M
> 20 M
> 20 M
> 20 M
1.07 k
3.65 k
2.49 k
> 3 M
100 k
100 k
150
536
< 1
< 1
< 1
< 1
< 1
< 1
73
Voltage
> 1 V
0.6 V
0.6 V
0.6 V
0.6 V
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