ML6672
+5.0V
+5.0V
+5.0V
+5.0V
0.1µF
0.1µF
RVCCD
0.1µF
TVCCD
0.1µF
TVCCA RVCCA
0.33µF
0.33µF
4.0kΩ
99
1%
RTSET1
RTSET2
+5.0V
CAP1 CAP2
0.1µF
50
Ω
TXIN–
SD+
TRANSFORMER/FILTER MODULE
FROM PHY
NOTE 1
TO PHY
TXIN+
TPOUT+
50Ω
TPOUT–
TPIN+
50Ω
TO MIC
SD–
ML6672
RXOUT+
TO PHY
RXOUT–
CMREF
50Ω
10pF
FROM MIC
TPIN–
LPBK TXOFF
TGNDD TGNDA RGND RTH1 RTH2 RSET1 RSET2 RRSET1 RRSET2
+
0.1µF
FROM PHY
250Ω 1%
5kΩ 1%
9.53kΩ 1%
Figure 2. Application Example of ML6672 Configured for 1.0V
P-P
Transmit Amplitude on C5 UTP.
Note 1.
Note 2.
Note 3.
Note 4.
Split 100K ECL terminations are 82W and 130W to VCC and GND respectively.
Recommended power supply bypass capacitors are 0.1µF with optional 10µF tantalum in parallel.
Transformer turns ratio is 1:1.
LPBK and TXOFF inputs are active LOW.
6
MICRO-LINEAR [ MICRO LINEAR CORPORATION ]
