LMV225
- 30 dB Linear in dB Power Detection Range
- Output Voltage Range 0.2 to 2V
- Logic Low Shutdown
- Multi-Band Operation from 450 MHz to 2000 MHz
- Accurate Temperature Compensation
- Packages:
- DSBGA Thin 1.0 mm x 1.0 mm x 0.6 mm
- DSBGA Ultra Thin 1.0 mm x 1.0 mm x 0.35 mm
- WSON 2.2 mm x 2.5 mm x 0.8 mm(LMV225 and LMV228)
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The LMV225/LMV226/LMV228 are 30 dB RF power detectors intended for use in CDMA and WCDMA applications. The device has an RF frequency range from 450 MHz to 2 GHz. It provides an accurate temperature and supply compensated output voltage that relates linearly to the RF input power in dBm. The circuit operates with a single supply from 2.7V to 5.5V. The LMV225/LMV226/LMV228 have an integrated filter for low-ripple average power detection of CDMA signals with 30 dB dynamic range. Additional filtering can be applied using a single external capacitor.
The LMV225 has an RF power detection range from –30 dBm to 0 dBm and is ideally suited for direct use in combination with resistive taps. The LMV226/LMV228 have a detection range from –15 dBm to 15 dBm and are intended for use in combination with a directional coupler. The LMV226 is equipped with a buffered output which makes it suitable for GSM, EDGE, GPRS and TDMA applications.
The device is active for Enable = HI, otherwise it is in a low power consumption shutdown mode. During shutdown the output will be LOW. The output voltage ranges from 0.2V to 2V and can be scaled down to meet ADC input range requirements.
The LMV225/LMV226/LMV228 power detectors are offered in the thin 1.0 mm x 1.0 mm x 0.6 mm DSBGA package and the ultra thin 1.0 mm x 1.0 mm x 0.35 mm DSBGA package. The LMV225 and the LMV228 are also offered in the 2.2 mm x 2.5 mm x 0.8 mm WSON package.
技术文档
| 类型 | 标题 | 下载最新的英语版本 | 日期 | |||
|---|---|---|---|---|---|---|
| * | 数据表 | LMV225/LMV226/LMV228 RF Power Detector for CDMA and WCDMA 数据表 (Rev. L) | 2013年 3月 22日 | |||
| 选择指南 | 电源管理指南 2018 (Rev. K) | 2018年 7月 31日 | ||||
| 选择指南 | 电源管理指南 2018 (Rev. R) | 2018年 6月 25日 | ||||
| 应用手册 | Reduce DC Pwr Consump in CDMA RF Pwr Amps Thru the LMV225 & Eff Switcher (Rev. A) | 2013年 5月 6日 | ||||
| 用户指南 | AN-1817 LMV225/LMV228 WSON Evaluation Board (Rev. B) | 2013年 4月 30日 | ||||
| 应用手册 | Use of LMV225 Linear-In-dB RF Pwr Detector In CDMA2000 (Rev. A) | 2013年 4月 30日 | ||||
| 用户指南 | AN-1804 LMV225/LMV228 DSBGA Evaluation Board (Rev. A) | 2013年 4月 25日 | ||||
| 应用手册 | Reduce DC Pwr Consump in CDMA RF Pwr Amps Thru the LMV225 & Eff Switcher (cn) | 最新英语版本 (Rev.A) | 2006年 1月 6日 | |||
| 应用手册 | Use of LMV225 Linear-In-dB RF Pwr Detector In CDMA2000 (cn) | 最新英语版本 (Rev.A) | 2005年 4月 14日 |
设计和开发
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LMV225SDEVAL — 用于 LMV225 LLP 的评估板
This board can be used to evaluate National Semiconductor's LMV225/LMV228 RF detectors. These logarithmic power detectors are intended for use in CDMA and WCDMA applications. They have a 30 dB dynamic range and an RF frequency range from 450 MHz to 2 GHz. The LMV228 is designed to be used in (...)
LMV225TLEVAL — 用于 LMV225 microSMD 的评估板
This board can be used to evaluate National Semiconductor's LMV225/LMV226/LMV228 RF detectors. These logarithmic power detectors are intended for use in CDMA and WCDMA applications. They have a 30 dB dynamic range and an RF frequency range from 450 MHz to 2 GHz. The LMV226/LMV228 are designed to be (...)
| 封装 | 引脚 | 下载 |
|---|---|---|
| DSBGA (YPD) | 4 | 查看选项 |
| DSBGA (YZR) | 4 | 查看选项 |
| WSON (NGF) | 6 | 查看选项 |
订购和质量
- RoHS
- REACH
- 器件标识
- 引脚镀层/焊球材料
- MSL 等级/回流焊峰值温度
- MTBF/时基故障估算
- 材料成分
- 鉴定摘要
- 持续可靠性监测
- 制造厂地点
- 封装厂地点
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