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
U4254BM-M Description
.
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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