U4254BM-M Datasheet, PDF (2/14 Pages) ATMEL Corporation – Low-noise AM/FM Antenna Impedance Matching IC

Pin Configuration
Figure 2. 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
Pin Description
Pin
Symbol
1
FMIN
2
GND1
3
FMGAIN
4
AGC
5
VREF2
6
NC
7
GND2
8
AMIN
9
NC
10
AMOUT
11
AMOUT1
12
VREF1
13
AGCADJ
14
VS
15
FMOUT
16
NC
Function
FM input
Ground for FM part
FM gain adjustment
AGC output
Reference voltage 2 output
Not connected
Ground for AM part
AM input
Not connected
AM output
AM output
Reference voltage 1 output
Adjustment FM wide-band AGC threshold
Supply voltage
FM output
Not connected
2 U4254BM-M
4772B–AUDR–11/03