LMH2120 - 具有 40 dB 动态范围的 6 GHz 线性 RMS 功率检测器

LMH2120是TI德州仪器公司的一款无产品，LMH2120是具有 40 dB 动态范围的 6 GHz 线性 RMS 功率检测器，本站介绍了LMH2120的封装应用图解、特点和优点、功能等，并给出了与LMH2120相关的TI元器件型号供参考。

LMH2120 - 具有 40 dB 动态范围的 6 GHz 线性 RMS 功率检测器 - 无 - 射频功率检测器 - 德州仪器

产品描述

The LMH2120 is a 40 dB Linear RMS power detector particularly suited for accurate power measurement of modulated RF signals that exhibit large peak-to-average ratios, i.e, large variations of the signal envelope. Such signals are encountered in W-CDMA and LTE cell phones. The RMS measurement topology inherently ensures a modulation insensitive measurement.

The device has an RF frequency range from 50 MHz to 6 GHz. It provides an accurate, temperature and supply insensitive, output voltage that relates linearly to the RF input power in volt. The LMH2120's excellent conformance to a linear response enables an easy integration by using slope and intercept only, reducing calibration effort significantly. The device operates with a single supply from 2.7V to 5V. The LMH2120 has an RF power detection range from -35 dBm to 5 dBm and is ideally suited for use in combination with a directional coupler. Alternatively, a resistive divider can be used.

The device is active for EN = High, otherwise it is in a low power consumption shutdown mode. To save power and prevent discharge of an external filter capacitance, the output (OUT) is high impedance during shutdown.

The LMH2120 power detector is offered in a tiny 6-bump DSBGA package.

产品特性

Linear Root Mean Square Response
40 dB Linear-in-V Power Detection Range
Multi-Band Operation from 50 MHz to 6 GHz
Lin Conformance Better than ±0.5 dB
Highly Temperature Insensitive
Modulation Independent Response
Minimal Slope and Intercept Variation
Shutdown Functionality
Wide Supply Range from 2.7V to 5V
Tiny 6-Bump DSBGA Package

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