U4254BM-MFPG3

U4254BM-MFPG3 Datasheet


The U4254BM-M is an integrated low-noise AM/FM antenna impedance matching circuit in BiCMOS technology. The device is designed specifically for car applications and is suitable for windshield and roof antennas.

Part Datasheet
U4254BM-MFPG3 U4254BM-MFPG3 U4254BM-MFPG3 (pdf)
Related Parts Information
U4254BM-MFP U4254BM-MFP U4254BM-MFP
PDF Datasheet Preview
• 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

Electrostatic sensitive device. Observe precautions for handling.

Low-noise AM/FM Antenna Impedance Matching IC

The U4254BM-M is an integrated low-noise AM/FM antenna impedance matching circuit in BiCMOS technology. The device is designed specifically for car applications and is suitable for windshield and roof antennas.

Figure Block Diagram

U4254BM-M

FMIN

GND1 FMGAIN

AGC VS
1 14 2 15 FM
14 11

IAGC
5 3 VREF2

VREF
15 13 FMOUT
13 10 AGCADJ
12 9 VREF1
8 6 AMIN
11 8 AMOUT1

AMOUT

GND2

Pin numbers in brackets = QFN 4 x 4 package

Pin Configuration

Figure Pinning SO16 FMIN 1 GND1 2

FMGAIN 3 AGC 4

VREF2 5 NC 6

GND2 7 AMIN 8
16 NC 15 FMOUT 14 VS 13 AGCADJ 12 VREF1 11 AMOUT1 10 AMOUT 9 NC

Figure Pinning QFN16 4 x 4

FMGAIN FMGND FMIN FMOUT
n.c. AGC VREF2
n.c.
16 15 14 13
5678
n.c. Vs AGCADJ VREF1

GND2 AMIN

AMOUT AMOUT1

Pin Description

Pin SSO16 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

Pin QFN16 14 15 16 2 3 1 5 6 4 7 8 9 10 11 13 12

Symbol FMIN GND1
Ordering Information

Extended Type Number U4254BM-MFP U4254BM-MPG3 U4254BM-MPH U4254BM-MPG3H

U4254BM-M

Package SO16 QFN16

Remarks Taping corresponding, ICE-286-3 Taping corresponding, ICE-286-3

Package Information

Package SO16

Dimensions in mm
technical drawings according to DIN specifications
14 U4254BM-M

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Literature Requests

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Printed on recycled paper.
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Datasheet ID: U4254BM-MFPG3 519494