MAX4278EPA中文资料

330MHz, Gain of +1/Gain of +2

Closed-Loop Buffers

_______________General Description

____________________________Features

The MAX4178/MAX4278 are ±5V, wide-bandwidth, fast-oHigh Speed:

settling, closed-loop buffers featuring high slew rate, high330MHz -3dB Bandwidth (MAX4178)precision, high output current, low noise, and low differen-tial gain and phase errors. The MAX4178, with a -3dB310MHz -3dB Bandwidth (MAX4278)

bandwidth of 330MHz, is preset for unity voltage gain250MHz Full-Power Bandwidth (VOUT= 2Vp-p)(0dB). The MAX4278 is preset for a voltage gain of +2150MHz 0.1dB Flatness Bandwidth(6dB) and has a 310MHz -3dB bandwidth.

1300V/µs Slew Rate (MAX4178)1600V/µs Slew Rate (MAX4278)The MAX4178/MAX4278feature the high slew rate andlow power that are characteristic of current-mode feed-oLow Differential Phase/Gain Error: 0.01°/0.04%back amplifiers. However, unlike conventional current-o8mA Supply Currentmode feedback amplifiers, these devices have ao1µA Input Bias Current unique input stage that combines the benefits of cur-rent-feedback topology with those of the traditional volt-o0.5mV Input Offset Voltage

age-feedback topology. This combination results in lowo5nV/√HzInput-Referred Voltage Noise input offset voltage and bias current, low noise, ando2pA/high gain precision and power-supply rejection.

√HzInput-Referred Current Noiseo1.0% Max Gain Error with 100 LoadThe MAX4178/MAX4278are ideally suited for driving50 or 75 loads. They are the perfect choice for high-oShort-Circuit Protectedspeed cable-driving applications, such as video routing.o8000V ESD Protection

The MAX4178/MAX4278 are available in DIP, SO, andspace-saving µMAX and SOT23 packages.

oAvailable in Space-Saving SOT23 Package

________________________Applications

Broadcast and High-Definition TV Systems______________Ordering Information

Video Switching and RoutingHigh-Speed Cable DriversCommunications

Medical Imaging

Precision High-Speed DAC/ADC Buffers

Ordering Information continued at end of data sheet.

__________Typical Operating Circuit

_________________Pin Configurations

________________________________________________________________Maxim Integrated Products1

For free samples & the latest literature: , or phone 1-800-998-8800.For small orders, phone 408-737-7600 ext. 3468.

MAX4178/MAX4278

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