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High-speed op amps (GBW ≥ 50 MHz)

LMH6672

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Dual, High Output Current, High Speed Op Amp

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Data sheet

LMH6672

ACTIVE
Data sheet Order now

Product details

Architecture Voltage FB Number of channels 2 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 5 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 12 GBW (typ) (MHz) 180 BW at Acl (MHz) 90 Acl, min spec gain (V/V) 2 Slew rate (typ) (V/µs) 170 Vn at flatband (typ) (nV√Hz) 4.5 Vn at 1 kHz (typ) (nV√Hz) 4.5 Iq per channel (typ) (mA) 6.2 Vos (offset voltage at 25°C) (max) (mV) 5.5 Rail-to-rail In to V- Features Decompensated Rating Catalog Operating temperature range (°C) -40 to 150 CMRR (typ) (dB) 110 Input bias current (max) (pA) 14000000 Offset drift (typ) (µV/°C) 5 Iout (typ) (mA) 200 2nd harmonic (dBc) 92 3rd harmonic (dBc) 95 Frequency of harmonic distortion measurement (MHz) 1
Architecture Voltage FB Number of channels 2 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 5 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 12 GBW (typ) (MHz) 180 BW at Acl (MHz) 90 Acl, min spec gain (V/V) 2 Slew rate (typ) (V/µs) 170 Vn at flatband (typ) (nV√Hz) 4.5 Vn at 1 kHz (typ) (nV√Hz) 4.5 Iq per channel (typ) (mA) 6.2 Vos (offset voltage at 25°C) (max) (mV) 5.5 Rail-to-rail In to V- Features Decompensated Rating Catalog Operating temperature range (°C) -40 to 150 CMRR (typ) (dB) 110 Input bias current (max) (pA) 14000000 Offset drift (typ) (µV/°C) 5 Iout (typ) (mA) 200 2nd harmonic (dBc) 92 3rd harmonic (dBc) 95 Frequency of harmonic distortion measurement (MHz) 1
HSOIC (DDA) 8 29.4 mm² (4.9 mm × 6 mm) SOIC (D) 8 29.4 mm² (4.9 mm × 6 mm)
  • 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 @ 1MHz, 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
  • Low Supply Current: 7.2mA/amp
  • Single-supply Operation: 5 V to 12 V
  • Stable for Gain of +2V/V or Higher
  • Available in 8-pin SOIC and SO PowerPAD (DDA)
  • 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 @ 1MHz, 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
  • Low Supply Current: 7.2mA/amp
  • Single-supply Operation: 5 V to 12 V
  • Stable for Gain of +2V/V or Higher
  • Available in 8-pin SOIC and SO PowerPAD (DDA)

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.

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.
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Technical documentation

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Top documentation Type Title Format options Date
* Data sheet LMH6672 Dual, High Output Current, High Speed Op Amp datasheet (Rev. H) PDF | HTML Sep 4, 2014
Technical article 3 common questions when designing with high-speed amplifiers PDF | HTML Jul 17, 2020
E-book The Signal e-book: A compendium of blog posts on op amp design topics PDF | HTML Mar 28, 2017
EVM User's guide LMH730036 Evaluation Board User’s Guide May 6, 2012

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LMH6672 PSPICE Model

SNOM143.ZIP (2 KB) - PSpice model
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HSOIC (DDA) 8 Ultra Librarian
SOIC (D) 8 Ultra Librarian
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