LMV221SD/NOPB Part Information

Details for LMV221SD/NOPB by Texas Instruments

Electronic & Electrical Components > Semiconductors - ICs > RF

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Part Description

The LMV221 is a 40-dB RF power detector intended for use in CDMA and WCDMA applications. The device has an RF frequency range from 50 MHz to 3.5 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 2.7 V to 3.3 V. The LMV221 has an RF power detection range from −45 dBm to −5 dBm and is ideally suited for direct use in combination with a 30-dB directional coupler. Additional low-pass filtering of the output signal can be achieved by means of an external resistor and capacitor. shows a detector with an additional output low pass filter. The filter frequency is set with RS and CS. shows a detector with an additional feedback low pass filter. Resistor RP is optional and lowers the trans-impedance gain (RTRANS). The filter frequency is set with CP//CTRANS and RP//RTRANS. The device is active for Enable = 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.

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Part Features

  • 0.3-V to 2-V Output Voltage Range
  • 0.5-dB Accurate Temperature Compensation
  • 2.5 mm u00d7 2.2 mm u00d7 0.8 mm 6-pin WSON
  • 2.7-V to 3.3-V Supply Voltage
  • 40-dB Linear in dB Power Detection Range
  • External Configurable Output Filter Bandwidth
  • Multi-Band Operation from 50 MHz to 3.5 GHz
  • Shutdown

Part Specifications

Frequency Min 50MHz
Frequency Max 3.5GHz
Input Power Min -45dBm
Input Power Max -5dBm
Sensitivity -
RF IC Case Style WSON
No. of Pins 6Pins
Supply Voltage Min 2.7V
Supply Voltage Max 3.3V
Operating Temperature Min -40°C
Operating Temperature Max 85°C
Product Range -
RoHS Phthalates Compliant Yes
MSL MSL 1 - Unlimited
SVHC No SVHC (27-Jun-2018)
RoHS Compliant

Alternative Part Descriptions

  • 50 MHz to 3.5 GHz 40 dB Logarithmic Power Detector for CDMA and WCDMA | Texas Instruments

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