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U4254BM-M - Low-noise AM/FM Antenna Impedance Matching IC

U4254BM-M Description

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The U4254BM-M is an integrated low-noise AM/FM antenna impedance matching circuit in BiCMOS technology.

U4254BM-M Features

* High Dynamic Range for AM and FM Integrated AGC for FM High Intercept Point 3rd-order for FM FM Amplifier Adjustable to Various Cable Impedances High Intercept Point 2nd-order for AM Low-noise Output Voltage Low-power Consumption

U4254BM-M Applications

* and is suitable for windshield and roof antennas. Figure 1. Block Diagram FMIN GND1 FMGAIN AGC VS 1 2 3 4 14 IAGC FM 15 FMOUT AGC 13 AGCADJ VREF2 5 VREF 12 VREF1 11 AMIN 8 AMOUT1 AMOUT AM 7 GND2 10 Rev. 4772B
* AUDR
* 11/03 Pin Configuration Figure 2. Pinning SO16 FMIN

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Datasheet Details

Part number
U4254BM-M
Manufacturer
ATMEL Corporation
File Size
168.91 KB
Datasheet
U4254BM-M_ATMELCorporation.pdf
Description
Low-noise AM/FM Antenna Impedance Matching IC

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Low-noise Antenna Impedance Matching ATMEL Corporation
ATMEL Corporation U4254BM-M-like datasheet