MAX4445
超高速、低失真、差分至单端线接收器，带有使能端
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The MAX4444/MAX4445 differential line receivers offer unparalleled high-speed, low-distortion performance. Using a three op amp instrumentation amplifier architecture, these ICs have symmetrical differential inputs and a single-ended output. They operate from ±5V supplies and are capable of driving a 100Ω load to ±3.7V. The MAX4444 has an internally set closed-loop gain of +2V/V, while the MAX4445 is compensated for gains of +2V/V or greater, set by an external resistor. A low-power enable mode reduces current consumption to 3.5mA.Using current-feedback techniques, the MAX4444/MAX4445 achieve a 550MHz bandwidth while maintaining up to a 5000V/µs slew rate. Excellent differential gain/phase and noise specifications make these amplifiers ideal for a wide variety of video and RF signal-processing applications. An evaluation kit is available to speed design.
关键特性
- 5000V/µs Slew Rate (MAX4444)
- +2V/V Internally Fixed Gain (MAX4444)
- External Gain Selection (MAX4445, AVCL ≥ +2V/V)
- 550MHz -3dB Bandwidth
- -60dB SFDR at 5MHz
- Low Differential Gain/Phase: 0.07%/0.05°
- Low Noise: 25nV/
at fIN = 100kHz - Low-Power Disable Mode Reduces Quiescent Current to 3.5mA
应用
- 数据采集
- 差分至单端转换
- 高速差分线接收器
- 高速仪表放大器
- 医疗仪表
- 双绞线至同轴电缆转换器
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