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THS6182DRG4 Datasheet(PDF) 1 Page - Texas Instruments |
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THS6182DRG4 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 35 page www.ti.com FEATURES DESCRIPTION TYPICAL ADSL CO-LINE DRIVER CIRCUIT APPLICATIONS + − THS6182a +12 V −12 V + − 1:1.2 −12 V +12V 8.68 Ω 100 Ω 1 k Ω 1 k Ω 1.33 k Ω 1.33 k Ω 953 Ω CODEC V IN− CODEC V IN+ 8.68 Ω 20-dBm Line Power THS6182b THS6182 SLLS544H – SEPTEMBER 2002 – REVISED JUNE 2007 LOW-POWER DISSIPATION ADSL LINE DRIVER • Low-Power Dissipation Increases ADSL Line The THS6182 is a current feedback differential line Card Density driver ideal for full rate ADSL systems. Its extremely low-power dissipation is ideal for ADSL systems that • Low THD of -88 dBc (100 Ω, 1 MHz) must achieve high densities in ADSL central office • Low MTPR Driving +20 dBm on the Line rack applications. The unique architecture of the – -76 dBc With High Bias Setting THS6182 allows the quiescent current to be much lower than existing line drivers while still achieving – -74 dBc With Low Bias Setting high linearity without the need for excess open loop • Wide Output Swing of 44 V PP Differential Into gain. Fixed multiple bias settings of the amplifiers a 200- Ω Differential Load (V CC = ±12 V) allow for enhanced power savings for line lengths • High Output Current of 600 mA (Typ) where the full performance of the amplifier is not required. To allow for even more flexibility and power • Wide Supply Voltage Range of ±5 V to ±15 V savings, an IADJ pin is available to further lower the • Pin Compatible with EL1503C and EL1508C bias currents while maintaining stable operation with – Multiple Package Options as little as 1.8 mA per channel. The wide output swing of 44 VPP differentially with ±12-V power • Multiple Power Control Modes supplies allows for more dynamic headroom, keeping – 11 mA/ch Full Bias Mode distortion at a minimum. With a low 3.2 nV/ √Hz – 7.5 mA/ch Mid Bias Mode voltage noise coupled with a low 10 pA/ √Hz inverting – 4 mA/ch Low Bias Mode current noise, the THS6182 increases the sensitivity of the receive signals, allowing for better margins – 0.25 mA/ch Shutdown Mode and reach. – IADJ Pin for User Controlled Bias Current – Stable Operation Down to 1.8 mA/ch USING ACTIVE IMPEDANCE • Low Noise for Increased Receiver Sensitivity – 3.2 nV/ √Hz Voltage Noise – 1.5 pA/ √Hz Noninverting Current Noise – 10 pA/ √Hz Inverting Current Noise • Ideal for Full Rate ADSL Applications 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. PowerPAD is a trademark of Texas Instruments. PRODUCTION DATA information is current as of publication date. Copyright © 2002–2007, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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