PEB 3081 F V1.4 Infineon Technologies, PEB 3081 F V1.4 Datasheet - Page 178
PEB 3081 F V1.4
Manufacturer Part Number
PEB 3081 F V1.4
Description
IC S-BUS INTERFACE EXT TQFP48
Manufacturer
Infineon Technologies
Datasheet
1.PEB_3081_F_V1.4.pdf
(190 pages)
Specifications of PEB 3081 F V1.4
Function
S / T Bus Interface Transceiver
Interface
IOM-2, ISDN, SCI
Number Of Circuits
1
Voltage - Supply
3.3V
Current - Supply
30mA
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
48-LFQFP
Includes
D-Channel Access Control, Monitor Channel Handler
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Power (watts)
-
Other names
PEB3081FV1.4XT
PEB3081FV14XP
SP000007636
SP000007637
PEB3081FV14XP
SP000007636
SP000007637
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5.12
To improve performance with respect to EMC and ESD requirements it is recommended
to provide additional capacitors in the middle tap of the transformers (see
below). The values for C1 and C2 should be in the range 1 ... 10 nF. They can be located
either on the chip side of the transformer (option 1) or on the S bus side (option 2), but
not on both sides.
This improves EMC immunity acording to EN55024 which is mandatory since 2001-07-
01.
Note: The figure does not show any other components required for protection circuit in
Figure 76
Data Sheet
with 1 kHz, 80% amplitude
Test Generator
0.15MHz - 80MHz carrier
modulated signal
receive and transmit direction as this is not affected by including C1 and C2.
EMC / ESD Aspects
Transformer Circuitry
AC
Transmitter (NT)
Parasitic Capacity: C
Couple Capacity: C
Test Setup
C1 and C2 are also possible
at this position (option 2)
AC
k1
p1
¹ C
¹ C
k2
p2
¹ C
¹ C
C
C
1
2
k3
p3
¹ C
¹ C
k4
178
p4
C
C
C
C
k1
k2
k3
k4
C
C
common mode signals (option 1)
1
2
C1, C2 required to supress
C
C
p1
p3
Transmitter (TE)
C
C
p2
p4
Electrical Characteristics
AC
SR1
SR2
SX1
SX2
21150_34
PEB 3081
2003-02-04
Figure 76
SBCX-X
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