ML6672
FROM PHY
NOTE 1
TO PHY
TO PHY
FROM PHY
+5.0V +5.0V +5.0V +5.0V
0.1µF
0.1µF 0.1µF
0.33µF
0.33µF
RVCCD TVCCD TVCCA RVCCA CAP1 CAP2
0.1µF 4.0kΩ99 1%
RTSET1 RTSET2
TXIN+
TXIN–
SD+
SD–
ML6672
TPOUT+
TPOUT–
TPIN+
RXOUT+
RXOUT–
CMREF
+5.0V
0.1µF
50
Ω
50Ω
TO MIC
50Ω
50Ω 10pF
FROM MIC
TPIN–
LPBK TXOFF TGNDD TGNDA RGND RTH1 RTH2 RSET1 RSET2 RRSET1 RRSET2
+
0.1µF
250Ω 1%
5kΩ 1%
9.53kΩ 1%
Figure 2. Application Example of ML6672 Configured for 1.0VP-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