LMH2110 - 具有 45 dB 动态范围的 8 GHz 对数 RMS 功率检测器

LMH2110是TI德州仪器公司的一款无产品，LMH2110是具有 45 dB 动态范围的 8 GHz 对数 RMS 功率检测器，本站介绍了LMH2110的封装应用图解、特点和优点、功能等，并给出了与LMH2110相关的TI元器件型号供参考。

LMH2110 - 具有 45 dB 动态范围的 8 GHz 对数 RMS 功率检测器 - 无 - 射频功率检测器 - 德州仪器

产品特性

Wide Supply Range from 2.7 V to 5 V
Logarithmic Root Mean Square Response
45-dB Linear-in-dB Power Detection Range
Multi-Band Operation from 50 MHz to 8 GHz
LOG Conformance Better than ±0.5 dB
Highly Temperature Insensitive, ±0.25 dB
Modulation Independent Response, 0.08 dB
Minimal Slope and Intercept Variation
Shutdown Functionality
Tiny 6-Bump DSBGA Package

产品应用

Multi-Mode, Multi-Band RF Power Control
- GSM/EDGE
- CDMA/CDMA2000
- W-CDMA
- OFDMA
- LTE
Infrastructure RF Power Control

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产品说明

The LMH2110 is a 45-dB Logarithmic RMS power detector particularly suited for accurate power measurement of modulated RF signals that exhibit large peak-to-average ratios; that is, 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 8 GHz. It provides an accurate, temperature and supply insensitive output voltage that relates linearly to the RF input power in dBm. The LMH2110 device has excellent conformance to a logarithmic response, enabling easy integration by using slope and intercept only, reducing calibration effort significantly. The device operates with a single supply from 2.7 V to 5 V. The LMH2110 has an RF power detection range from –40 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.

产品器件信息

PART NUMBER	PACKAGE	BODY SIZE (MAX)
LMH2110	DSBGA (6)	1.27 mm × 0.87 mm

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