AMIS-492X0 Datasheet, PDF (3/22 Pages) ON Semiconductor – Fieldbus MAU

AMIS-492x0
2.2 Block Diagram
Receive Block
35 ^RXS
Zero-Cross
Detector
34 ^RXA
32 ^CCD
Carrier
Detector
Transmit Block
26 ^MDS_CTRL
38 ^POL
36 ^TXE
MDS
Interface
37 ^TXS
1 ^VSS
41 ^VSS
42 ^VSS
43 ^VSS
33
VSS
31
FLTOUT
30
FLT
Bandpass Filter
HPF ₂₈
SIGIN ₂₇
LPF
29
Tri-Level Modulator
&
Slew Control
Current
Driver
VDRV
21
CRT ₁₉
VSS 20
VSS ₂₂
CCINP ₂₃
CCINM ₂₄
CCOUT ₂₅
39 ^VSS
40 ^VSS
Power Supply Block
VCC
Vmid
Reference
Vmid ₃
VCC
44
VCC
18
VDD
17
VCC
Bias
Circuitry
VCC
Bandgap
Vmid
Vref ₂
Vref
16 ^VO
13 ^SRSET
Series
Regulator
VCC
Low Voltage
Detectors
Shunt
Regulator
SHUNT ₈
VSS
SRSETIN
SRTR SRAO
N_PFail2
N_PFail1 SHSETIN SHSET SGND
11
15 14 12
54
6
7
9 10
Figure 1: AMIS-492x0 Fieldbus MAU Block Diagram
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