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LMV221SDX +BOM

Special Purpose Amplifiers

Produttore:

Texas Instruments, Inc
ProduttorePart #:

LMV221SDX
Scheda dati:

LMV221SDX Scheda dati (PDF)
Minimum Operating Temperature:

- 40 C
Maximum Operating Temperature:

+ 85 C
EDA/CAD Modelli:

Richiedi modelli CAD gratuiti per LMV221SDX

E-mail: [email protected]

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tel: +852 95804164

LMV221SDX Descrizione generale

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.

For all available packages, see the orderable addendum at the end of the data sheet.

Caratteristiche principali

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

Specifiche

Product Category:	Special Purpose Amplifiers	Minimum Operating Temperature:	- 40 C
Maximum Operating Temperature:	+ 85 C	Product Type:	Special Purpose Amplifiers
Subcategory:	Amplifier ICs

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