THS6184_16 Datasheet, PDF (8/39 Pages) Texas Instruments – DUAL-PORT, LOW-POWER DIFFERENTIAL xDSL LINE DRIVER AMPLIFIERS

THS6184
SLLS635D – AUGUST 2005 – REVISED JANUARY 2009 ................................................................................................................................................. www.ti.com
V_IN+
0.01 μF
7.5 kΩ
12 V
+
−
4.99 kΩ
30.1 Ω
Line Power = ADSL2: 19.8 dBm
ADSL2+: 20.4 dBm
ADSL2++: 21.1 dBm
1:1
1.15 kΩ
0.1 μF
4.99 kΩ
1 μF
33 nF
Line:
100 Ω
V_IN−
0.01 μF
7.5 kΩ
−
+
−12 V
30.1 Ω
Transformer Insertion
Loss = 0.4 dB
Figure 2. MTPR Test Circuit
−30
−40
−50
−60
ADSL2++
−70
−80
ADSL2+
−90
ADSL2
−100
0 500 1000 1500 2000 2500 3000 3500 4000
163
1104
2208
f − Frequency − kHz
3750
Figure 3. Typical ADSL Line Driver Transmit Frequencies
8
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