LMH6672MA/NOPB

The LMH6672 is a low cost, dual high speed op amp capable of driving signals to within 1 V of the power supply rails. It features the high output drive with low distortion required for the demanding application of a single supply xDSL line driver. When connected as a differential output driver, the LMH6672 can drive a 50-Ω load to 16.8 VPP swing with only -98 dBc distortion, fully supporting the peak upstream power levels for upstream full-rate ADSL. The LMH6672 is fully specified for operation with 5-V and 12-V supplies. Ideal for PCI modem cards and xDSL modems.

Applications

• ADSL PCI Modem Cards
• xDSL External Modems Line Drivers

Key features

• High Output Drive
• 19.2 VPP Differential Output Voltage, RL = 50 Ω
• 9.6 VPP Single-ended Output Voltage, RL = 25 Ω
• High Output Current ±200 mA @ VO = 9 VPP, VS = 12 V
• Low Distortion 105 dB SFDR @ 100 kHz, VO = 8.4 VPP, RL = 25 Ω
• 98 dB SFDR @ 1 MHz, VO = 2 VPP, RL = 100 Ω
• High Speed 90 MHz 3 dB Bandwidth (G = 2)
• 135 V/μs Slew Rate
• Low Noise
• 3.1 nV/√Hz: Input Noise Voltage
• 1.8 pA/√Hz: Input Noise Current
• Stable for Gain of +2 V/V or Higher