Overview
The LMV221SD is a high-performance RF power detector developed by National Semiconductor. It is designed for applications requiring accurate power measurement over a wide frequency range. This component is particularly suited for use in wireless communication systems, including GSM, CDMA, UMTS, and TD-SCDMA. Its compact LLP package and low power consumption make it an ideal choice for portable and space-constrained applications.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Frequency Range | 50 - 3500 | MHz | |
| Power Detection Range | -45 - -5 | dB | |
| Operating Temperature | -40 - 85 | °C | |
| Supply Voltage | 2.7 - 3.3 | V | |
| Package | LLP |
Key Features
- Wide frequency range from 50MHz to 3.5GHz
- Accurate power detection from -45dB to -5dB
- Low power consumption suitable for portable devices
- Compact LLP package for space-constrained applications
- Supports multiple wireless communication standards
Applications
The LMV221SD is widely used in wireless communication systems, including GSM, CDMA, UMTS, and TD-SCDMA. It is also suitable for portable devices, base stations, and other applications requiring accurate RF power measurement. Its compact size and low power consumption make it ideal for integration into space-constrained and battery-powered devices.
Q & A
What is the frequency range of the LMV221SD?
The LMV221SD operates over a frequency range of 50MHz to 3.5GHz.
What is the power detection range of the LMV221SD?
The power detection range is from -45dB to -5dB.
What is the operating temperature range of the LMV221SD?
The operating temperature range is -40°C to 85°C.
What is the supply voltage range for the LMV221SD?
The supply voltage range is 2.7V to 3.3V.
What package does the LMV221SD come in?
The LMV221SD is available in an LLP package.
Is the LMV221SD suitable for portable devices?
Yes, its low power consumption and compact size make it ideal for portable devices.
Does the LMV221SD support GSM?
Yes, it supports GSM along with CDMA, UMTS, and TD-SCDMA.
Can the LMV221SD be used in base stations?
Yes, it is suitable for use in base stations and other wireless communication systems.
What are the key features of the LMV221SD?
Key features include a wide frequency range, accurate power detection, low power consumption, and a compact package.
What are the typical applications of the LMV221SD?
Typical applications include wireless communication systems, portable devices, and base stations.
