IP178A 데이터 시트보기 (PDF) - Unspecified
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IP178A Datasheet PDF : 44 Pages
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(Advance Version)
IP178A
The major differences in application circuit between IP178 and IP178A
No more external bias and series resistors
RXIP
95.3 R
RD +
RXIM
IP178
95.3 R
AVCC
RD -
RXIP
RXIM
IP178A
RD +
RD -
AVCC
CT
0.1u
GND
GND
transformer
0.1u
GND
MDI-MDIX
transformer
No more A/D bypass capacitors & add a pull up resistor to turn on auto MDI_MDIX
VRTP
VRBM
pin134=NC
VRTM
VRBP
IP178
472p
472p
VCC
R
NC
NC
pin134=
MDI_MDIX_EN
NC
NC
IP178A
Transmit circuit is the same as receive circuit for MDI-MDIX function.
GND
AVCC
0.1u
TXOP
TXOM
IP178
AVCC
TCT
TD +
TD -
transformer
TXOP
TXOM
IP178A
AVCC
CT
TD +
TD -
MDI-MDIX
transformer
Preliminary, Specification subject to change without notice 2
IP178A-DS-P05
Sep. 09, 2002
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