U4254BM Datasheet, PDF (2/12 Pages) TEMIC Semiconductors – Low-Noise AM/FM Antenna Impedance Matching IC

U4254BM
Ordering and Package Information
Extended Type Number
U4254BM-AFP
U4254BM-AFPG3
Package
SO16
SO16
Remarks
Taping corresponding, ICE-286-3
Pin Description
FMIN 1
16 NC
GND1 2
15 FMOUT
FMGAIN ₃
14 ^VS
AGC ₄
13 ^AGCADJ
VREF2 ₅
12 ^VREF1
NC 6
11 AMOUT1
GND2 ₇
10 ^AMOUT
AMIN ₈
9 ^NC
13933
Figure 2. Pinning
Pin Symbol
Function
1
FMIN FM input
2
GND1 Ground for FM part
3 FMGAIN FM gain adjustment
4
AGC AGC output
5 VREF2 Reference voltage 2 output
6
NC Not connected
7
GND2 Ground for AM part
8
AMIN AM input
9
NC Not connected
10 AMOUT AM output
11 AMOUT1 AM output
12 VREF1 Reference voltage 1 output
13 AGCADJ Adjustment FM wide-band
AGC threshold
14
VS Supply voltage
15 FMOUT FM output
16
NC Not connected
2 (12)
TELEFUNKEN Semiconductors
Rev. A1, 01-Jul-97