HomedatasheetLMH6644MAX

LMH6644MAX Datasheet

Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps
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Description

The LMH6644MAX family true single supply voltage feedback amplifiers offer high speed (130MHz), low distortion (−62dBc), and exceptionally high output current (approximately 75mA) at low cost and with reduced power consumption when compared against existing devices with similar performance.Input common mode voltage range extends to 0.5V below V− and 1V from V+. Output voltage range extends to within 40mV of either supply rail, allowing wide dynamic range especially desirable in low voltage applications. The output stage is capable of approximately 75mA in order to drive heavy loads. Fast output Slew Rate (130V/μs) ensures large peak-to-peak output swings can be maintained even at higher speeds, resulting in exceptional full power bandwidth of 40MHz with a 3V supply. These characteristics, along with low cost, are ideal features for a multitude of industrial and commercial applications.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 (0.1dB gain flatness up the 12MHz under 150Ω load and AV = +2) with minimal peaking (typically 2dB maximum) for any gain setting and under both heavy and light loads. This along with fast settling time (68ns) and low distortion allows the device to operate well in ADC buffer, and high frequency filter applications as well as other applications.This device family offers professional quality video performance with low DG (0.01%) and DP (0.01°) characteristics.Differential Gain and Differential Phase characteristics are also well maintained under heavy loads (150Ω) and throughout the output voltage range. The LMH6644MAX family is offered in single (LMH6642EP), dual (LMH6643EP), and quad (LMH6644EP) options. See ordering information for packages offered. LMH6644MAX Features • −3dB BW (AV = +1) 130MHz• Supply voltage range 2.7V to 12.8V• Slew rate (Note 11), (AV = −1) 130V/μs• Supply current (no load) 2.7mA/amp• Output short circuit current +115mA/−145mA• Linear output current ±75mA• Input common mode volt. 0.5V beyond V−, 1V from V+• Output voltage swing 40mV from rails• Input voltage noise (100kHz) 17nV/• Input current noise (100kHz) 0.9pA/• THD (5MHz, RL = 2kΩ, VO = 2VPP, AV = +2) −62dBc• Settling time 68ns• Fully characterized for 3V, 5V, and ±5V• Overdrive recovery 100ns• Output short circuit protected (Note 14)• No output phase reversal with CMVR exceeded LMH6644MAX Applications • Selected Military Applications• Selected Avionics Applications
Features

Parameters

[{"Name":"Number of Circuits","Value":"4"},{"Name":"Slew Rate","Value":"135 V/μs"},{"Name":"-3db Bandwidth","Value":"130MHz"},{"Name":"Current - Input Bias","Value":"20nA"},{"Name":"Voltage - Input Offset","Value":"1mV"},{"Name":"Current - Supply","Value":"2.7mA"},{"Name":"Current - Output / Channel","Value":"75mA"},{"Name":"Voltage - Supply, Single/Dual (±)","Value":"2.7 V ~ 12.8 V, ±1.35 V ~ 6.4 V"},{"Name":"Operating Temperature","Value":"-40°C ~ 85°C"},{"Name":"","Value":""}]

Manufacturer information

LITTELFUSE

Littelfuse (NASDAQ: LFUS) - As the worldwide leader in circuit protection, Littelfuse offers POWR-GARD®, Teccor®, Wickmann®, Pudenz®, Hamlin®, PulseGuard® and SIDACtor® branded products, with a wide range of technologies such as Fuses and Accessories, PTCs, GDTs, Varistors, Polymer ESD Suppressors, Surge Protection Modules, TVS Diodes, TVS Diode Arrays (SPA® Diodes), Switching Thyristors, Power Modules, LED Protector, SIDACtor® Protection Thyristor as well as reed switches, relays and Hall Effect sensors. Littelfuse products are backed by more than 88 years of technology innovation, industry leading technical support, design and manufacturing expertise. Littelfuse products are vital components in virtually every product that uses electrical energy, including automobiles, computers, consumer electronics, handheld devices, industrial equipment, and telecom/datacom circuits

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