LMV232 - 用于 CDMA 和 WCDMA 的双通道集成均方根功率检测器

LMV232是TI德州仪器公司的一款无产品，LMV232是用于 CDMA 和 WCDMA 的双通道集成均方根功率检测器，本站介绍了LMV232的封装应用图解、特点和优点、功能等，并给出了与LMV232相关的TI元器件型号供参考。

LMV232 - 用于 CDMA 和 WCDMA 的双通道集成均方根功率检测器 - 无 - 射频功率检测器 - 德州仪器

产品描述

The LMV232 dual RF detector is designed for RF transmit power measurement in mobile phones. This dual mean square IC is especially suited for accurate power measurement of RF signals exhibiting high peak-to-average ratios used in 3G and UMTS/CDMA applications. The LMV232 saves calibration steps and system certification and is highly accurate. The circuit operates with a single supply from 2.5 to 3.3V.

The LMV232 contains a mean square detector with two sequentially selectable RF inputs. The RF input power range of the device has been optimized for use with a 20 dB directional coupler, without the need for additional external components. A single external RC combination between FB and OUT provides an externally configurable gain and LF filter bandwidth of the device.

The device has two digital interfaces. A shutdown function is available to set the device in a low-power shutdown mode. In case SD = HIGH, the device is in shutdown, if SD = LOW the device is active. The Band-Select function controls the selection of the active RF input channel. In case BS = HIGH, RFIN1 is active. In case BS = LOW, RFIN2 is active.

The dual mean square detector is offered in an 8-bump DSBGA 1.5 x 1.5 x 0.6 mm package. This DSBGA package has the smallest footprint and height.

产品特性

>20 dB Square-Law Detection Range
2 Sequentially Selectable RF Inputs
Low Power Consumption Shutdown Mode
Externally Configurable Gain and LF Filter Bandwidth.
Internal 50? RF Termination Impedance
Optimized for Use with 20 dB Directional Coupler
Lead Free 8-Bump DSBGA Package 1.5 x 1.5 x 0.6 mm

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