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TI(德州仪器) THS6182
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  • TI(德州仪器) THS6182
  • TI(德州仪器) THS6182
  • TI(德州仪器) THS6182
  • TI(德州仪器) THS6182
  • TI(德州仪器) THS6182
  • TI(德州仪器) THS6182
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THS6182

THS6182

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低功耗 ADSL 和 PLC 线路驱动器

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The THS6182 is a current feedback differential line driver ideal for full rate ADSL systems. Its extremely low-power dissipation is ideal for ADSL systems that must achieve high densities in ADSL central office rack applications. The unique architecture of the THS6182 allows the quiescent current to be much lower than existing line drivers while still achieving high linearity without the need for excess open loop gain. Fixed multiple bias settings of the amplifiers allow for enhanced power savings for line lengths where the full performance of the amplifier is not required. To allow for even more flexibility and power savings, an IADJ pin is available to further lower the bias currents while maintaining stable operation with as little as 1.8 mA per channel. The wide output swing of 44 VPP differentially with ±12-V power supplies allows for more dynamic headroom, keeping distortion at a minimum. With a low 3.2 nV/Hz inverting current noise, the THS6182 increases the sensitivity of the receive signals, allowing for better margins and reach.

  • Low-Power Dissipation Increases ADSL Line Card Density
  • Low THD of -88 dBc (100 , 1 MHz)
  • Low MTPR Driving +20 dBm on the Line
    • -76 dBc With High Bias Setting
    • -74 dBc With Low Bias Setting
  • Wide Output Swing of 44 VPP Differential Into a 200- Differential Load (VCC = ±12 V)
  • High Output Current of 600 mA (Typ)
  • Wide Supply Voltage Range of ±5 V to ±15 V
  • Pin Compatible with EL1503C and EL1508C
    • Multiple Package Options
  • Multiple Power Control Modes
    • 11 mA/ch Full Bias Mode
    • 7.5 mA/ch Mid Bias Mode
    • 4 mA/ch Low Bias Mode
    • 0.25 mA/ch Shutdown Mode
    • IADJ Pin for User Controlled Bias Current
    • Stable Operation Down to 1.8 mA/ch
  • Low Noise for Increased Receiver Sensitivity
    • 3.2 nV/Hz Inverting Current Noise
  • APPLICATIONS
    • Ideal for Full Rate ADSL Applications

PowerPAD is a trademark of Texas Instruments.

Number of channels2
ArchitectureDSL Line Driver, PLC Line Driver
Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V)8
Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V)33
BW at Acl (MHz)100
Acl, min spec gain (V/V)1
Vn at flatband (typ) (nV√Hz)3.2
Vn at 1 kHz (typ) (nV√Hz)13
Iq per channel (typ) (mA)11.5
Vos (offset voltage at 25°C) (max) (mV)20
Rail-to-railNo
FeaturesAdjustable BW/IQ/IOUT, Shutdown
RatingCatalog
Operating temperature range (°C)-40 to 85
CMRR (typ) (dB)54
Input bias current (max) (pA)15000000
Offset drift (typ) (µV/°C)50
GBW (typ) (MHz)100
Iout (typ) (mA)600
2nd harmonic (dBc)88
3rd harmonic (dBc)107
Frequency of harmonic distortion measurement (MHz)1
HSOIC (DWP)20133.444125 mm² 12.825 x 10.405
SOIC (D)1659.4 mm² 9.9 x 6
SOIC (DW)20131.84 mm² 12.8 x 10.3
VQFN (RHF)2420 mm² 5 x 4
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