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THS6132VFPG4 Datasheet(PDF) 1 Page - Texas Instruments |
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THS6132VFPG4 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 26 page THS6132 SLLS543A − SEPTEMBER 2002 − REVISED FEBRUARY 2003 HIGH EFFICIENCY CLASSG ADSL LINE DRIVER FEATURES D Low Total Power Consumption Increases ADSL Line Card Density (20 dBm on Line) − 600 mW w/Active Termination (Full Bias) − 530 mW w/Active Termination (Low Bias) D Low MTPR of –74 dBc (All Bias Conditions) D High Output Current of 500 mA (typ) D Wide Supply Voltage Range of ±5 V to ±15 V [VCC(H)] and ±3.3 V to ±15 V [VCC(L)] D Wide Output Voltage Swing of 43 Vpp Into 100- Ω Differential Load [VCC(H) = ±12 V] D Multiple Bias Modes Allow Low Quiescent Power Consumption for Short Line Lengths − 160-mW/ch Full Bias Mode − 135-mW/ch Mid Bias Mode − 110-mW/ch Low Bias Mode − 75-mW/ch Terminate Only Mode − 13-mW/ch Shutdown Mode D Low Noise for Increased Receiver Sensitivity − 3.3 pA/ √Hz Noninverting Current Noise − 9.5 pA/ √Hz Inverting Current Noise − 3.5 nV/ √Hz Voltage Noise APPLICATIONS D Ideal for Active Termination Full Rate ADSL DMT applications (20-dBm Line Power) DESCRIPTION The THS6132 is a Class-G current feedback differential line driver ideal for full rate ADSL DMT systems. Its extremely low power consumption of 600 mW or lower is ideal for ADSL systems that must achieve high densities in ADSL central office rack applications. The unique patent pending architecture of the THS6132 allows the quiescent current to be much lower than existing line drivers while still achieving very high linearity. In addition, the multiple bias settings of the amplifiers allow for even lower power consumption for line lengths where the full performance of the amplifier is not required. The output voltage swing has been vastly improved over first generation Glass-G amplifiers and allows the use of lower power supply voltages that help conserve power. For maximum flexibility, the THS6132 can be configured in classical Class-AB mode requiring only as few as one power supply. THS6132a 1:1 −6V 12.4 Ω 100 Ω 1 k Ω 1 k Ω 1.33 k Ω 1.33 k Ω 576 Ω CODEC VIN− CODEC V IN+ 12.4 Ω +20 dBm Line Power THS6132b + − +6V +15V − + Typical ADSL CO Line Driver Circuit Utilizing Active Impedance Supporting A 6.3 Crest Factor − 15 V PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. www.ti.com Copyright 2002−2003, Texas Instruments Incorporated |
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