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High-speed op amps (GBW ≥ 50 MHz)

LMH6639

ACTIVE

190MHz Rail-to-Rail Output Amplifier with Disable

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Data sheet

LMH6639

ACTIVE
Data sheet Order now

Product details

Architecture Voltage FB Number of channels 1 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 3 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 12 GBW (typ) (MHz) 86 BW at Acl (MHz) 228 Acl, min spec gain (V/V) 1 Slew rate (typ) (V/µs) 200 Vn at flatband (typ) (nV√Hz) 16 Vn at 1 kHz (typ) (nV√Hz) 16 Iq per channel (typ) (mA) 4.18 Vos (offset voltage at 25°C) (max) (mV) 5 Rail-to-rail In to V-, Out Features Shutdown Rating Catalog Operating temperature range (°C) -40 to 85 CMRR (typ) (dB) 95 Input bias current (max) (pA) 2600000 Offset drift (typ) (µV/°C) 8 Iout (typ) (mA) 168 2nd harmonic (dBc) 65 3rd harmonic (dBc) 62 Frequency of harmonic distortion measurement (MHz) 5
Architecture Voltage FB Number of channels 1 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 3 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 12 GBW (typ) (MHz) 86 BW at Acl (MHz) 228 Acl, min spec gain (V/V) 1 Slew rate (typ) (V/µs) 200 Vn at flatband (typ) (nV√Hz) 16 Vn at 1 kHz (typ) (nV√Hz) 16 Iq per channel (typ) (mA) 4.18 Vos (offset voltage at 25°C) (max) (mV) 5 Rail-to-rail In to V-, Out Features Shutdown Rating Catalog Operating temperature range (°C) -40 to 85 CMRR (typ) (dB) 95 Input bias current (max) (pA) 2600000 Offset drift (typ) (µV/°C) 8 Iout (typ) (mA) 168 2nd harmonic (dBc) 65 3rd harmonic (dBc) 62 Frequency of harmonic distortion measurement (MHz) 5
SOIC (D) 8 29.4 mm² 4.9 x 6 SOT-23 (DBV) 6 8.12 mm² 2.9 x 2.8
  • (VS = 5V, Typical Values Unless Specified)
  • Supply Current (No Load) 3.6mA
  • Supply Current (Off Mode) 400μA
  • Output Resistance (Closed Loop 1MHz) 0.186Ω
  • −3dB BW (AV = 1) 190MHz
  • Settling Time 33nsec
  • Input Common Mode Voltage −0.2V to 4V
  • Output Voltage Swing 40mV from Rails
  • Linear Output Current 110mA
  • Total Harmonic Distortion −60dBc
  • Fully Characterized for 3V, 5V and ±5V
  • No Output Phase Reversal with CMVR Exceeded
  • Excellent Overdrive Recovery
  • Off Isolation 1MHz −70dB
  • Differential Gain 0.12%
  • Differential Phase 0.045°

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  • (VS = 5V, Typical Values Unless Specified)
  • Supply Current (No Load) 3.6mA
  • Supply Current (Off Mode) 400μA
  • Output Resistance (Closed Loop 1MHz) 0.186Ω
  • −3dB BW (AV = 1) 190MHz
  • Settling Time 33nsec
  • Input Common Mode Voltage −0.2V to 4V
  • Output Voltage Swing 40mV from Rails
  • Linear Output Current 110mA
  • Total Harmonic Distortion −60dBc
  • Fully Characterized for 3V, 5V and ±5V
  • No Output Phase Reversal with CMVR Exceeded
  • Excellent Overdrive Recovery
  • Off Isolation 1MHz −70dB
  • Differential Gain 0.12%
  • Differential Phase 0.045°

All trademarks are the property of their respective owners.

The LMH6639 is a voltage feedback operational amplifier with a rail-to-rail output drive capability of 110mA. Employing TI’s patented VIP10 process, the LMH6639 delivers a bandwidth of 190MHz at a current consumption of only 3.6mA. An input common mode voltage range extending to 0.2V below the V− and to within 1V of V+, makes the LMH6639 a true single supply op-amp. The output voltage range extends to within 30mV of either supply rail providing the user with a dynamic range that is especially desirable in low voltage applications.

The LMH6639 offers a slew rate of 172V/μs resulting in a full power bandwidth of approximately 28MHz. The LMH6639 also offers protection for the input transistors by using two anti-parallel diodes and a series resistor connected across the inputs. The TON value of 83nsec combined with a settling time of 33nsec makes this device ideally suited for multiplexing applications (see application note for details). Careful attention has been paid to ensure device stability under all operating voltages and modes. The result is a very well behaved frequency response characteristic for any gain setting including +1, and excellent specifications for driving video cables including harmonic distortion of −60dBc, differential gain of 0.12% and differential phase of 0.045°

The LMH6639 is a voltage feedback operational amplifier with a rail-to-rail output drive capability of 110mA. Employing TI’s patented VIP10 process, the LMH6639 delivers a bandwidth of 190MHz at a current consumption of only 3.6mA. An input common mode voltage range extending to 0.2V below the V− and to within 1V of V+, makes the LMH6639 a true single supply op-amp. The output voltage range extends to within 30mV of either supply rail providing the user with a dynamic range that is especially desirable in low voltage applications.

The LMH6639 offers a slew rate of 172V/μs resulting in a full power bandwidth of approximately 28MHz. The LMH6639 also offers protection for the input transistors by using two anti-parallel diodes and a series resistor connected across the inputs. The TON value of 83nsec combined with a settling time of 33nsec makes this device ideally suited for multiplexing applications (see application note for details). Careful attention has been paid to ensure device stability under all operating voltages and modes. The result is a very well behaved frequency response characteristic for any gain setting including +1, and excellent specifications for driving video cables including harmonic distortion of −60dBc, differential gain of 0.12% and differential phase of 0.045°
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Type Title Date
* Data sheet LMH6639 190MHz Rail-to-Rail Output Amplifier with Disable datasheet (Rev. G) 15 Mar 2013
E-book The Signal e-book: A compendium of blog posts on op amp design topics 28 Mar 2017
More literature Die D/S LMH6639 MDC 190Mhz Rail-Rail Output Amplifier With Disable 28 Sep 2012

Design & development

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