ISL1550
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ISL1550

  • Category:converter
  • Product Name:Single-port, differential line driver for VDSL2
  • Manufacturers:
  • Production Batch Number:12+
  • Encapsulation:sop
  • Stock Status:There is stock
  • Stock Quantity:5000
  • Minimum order quantity: 1
  • Details:Click here to find PDF information about the ISL1550
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  • Product introduction


Key features

20dBm output power capability
The +12 V supply drives up to ±750 mA
18V P-P differential output to 20Ω driver
-89dBc typical at full output drive output distortion at 200kHz with 12V PP difference
-61dBc, -60dBc for 1686 average US1. MBPR 17A
Supply voltage range: ±4.0 V to ±6.6 V, +8.0 to five to +13.2 V
Thermal shutdown
K.20, GR-1089 surge robustness verification
description

The ISL1550 is a dual operational amplifier intended for use as a differential line driver. The ISL1550s' high bandwidth and low distortion performance enable VDSL2-enabled 8B, 17A and 30A modem applications. The device has the current drive capability required to push large voltage peaks of ±750 mA to push heavy loads. In Central Office (CO) applications, the driver achieves a typical missing band energy ratio of -66dBc in the upstream VDSL2 8B (US) band 1 and MBPRs-61dBc and -60dBc on VDSL2 17A US1 and US2 (MBPR) respectively (MBPR) ISL1550 has two bias current control pins (C0, C1) allowing 4 power settings (off, low, medium, high). VDSL modem DSP configuration line driver, power settings, according to the desired operating mode. The line driver operates an active mode supply of a nominal single +12 V or dual ±6V bias current between 15 mA and 32 mA, depending on its power setting. The ISL1550s gain setting sets RF and RG resistor values at the application level. The ISL1550 inrush current handling has been raised to allow ITU-T K.20 and GR1089 compliance with very few external surge protection circuits for thermally enhanced, lead-free RoHS compatible 16 LD QFN packages The ISL1550 is specified for operation over the -40°C to +85°C temperature range.

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