AN7289NFBQ
ICs for FM/AM Tuner
s Electrical Characteristics at Ta = 25°C (continued)
• FM mode at VCC = 8.0 V, fIN1 = 98 MHz
Parameter
Symbol
Conditions
Min Typ Max Unit
FM local oscillation buffer output fmVOS
FM-IF output level
fmIF
FM-AGC sensitivity
fmAGC
High-level FM-AGC voltage
Low-level FM-AGC voltage
fmVAH
fmVAL
fOSC = 108.7 MHz, without input
VIN1 = 71 dBµ
VIN1 level when V24 becomes 3 V
VIN1 = 70 dBµ
VIN1 = 82 dBµ
140 200 260 mV
40 75 110 mV
60 64 68 dBµ
6.0 6.4 6.8 V
0.05 0.5 V
FM consumption current
fmIT Without input
26 35 44 mA
Note) FM tuning condition: Adjust VFTU voltage so that VFOSC output frequency becomes 108.7 MHz±10 kHz.
s Technical Information
• PD Ta curves of LQFP032-P-0707
1.600
1.400
1.388
1.200
1.000
PD Ta
Mounted on standard board
(grass epoxy : 50 mm × 50 mm × t0.8 mm)
Rth(j-a) = 90.0°C/W
0.800
0.613
0.600
0.400
Independent IC
without heat shink
Rth(j-a) = 203.7°C/W
0.200
0.000
0
25
50
75
100
125
150
Ambient temperature Ta (°C)
4