AN7259S Datasheet, PDF (2/5 Pages) Panasonic Semiconductor – FM-IF Amplifier Circuit for Car Radio

AN7259S
ICs for FM/AM Tuner
s Absolute Maximum Ratings (Ta=25˚C)
Parameter
Symbol
Supply Voltage
VCC
Supply Current
ICC
Power Dissipation (Ta = 75˚C)
PD
Operating Ambient Temperature
Topr
Storage Temperature
Tstg
s
Recommended
AN7259S H2
Operating Range (Ta=25˚C)
Parameter
Symbol
Operating Supply Voltage Range
VCC
Rating
Unit
9.6
V
23
mA
230
mW
–30 ~ + 75
˚C
–55 ~ + 125
˚C
Range
7.3V ~ 9.6V
s Electrical Characteristics (V_CC = 8V, FM 1kHz 30%Modulation, Ta= 25˚C)
Parameter
Symbol
Condition
min.
Limiting Sensitivity
Detection Output Level
AFC Offset Voltage
Signal Voltage (1)
Signal Voltage (2)
Signal Voltage (3)
Signal Voltage (4)
Signal Voltage (5)
Search Signal Band Width
Vlim
VO
Voffset
VSIG1
VSIG2
VSIG3
VSIG4
VSIG5
BW
Input at VO = –3dB
Vin = 70dBµ
Vin = 0dBµ, Pin9 –14 voltage
Vin = 0dBµ, Pin2 voltage
VSIG4 –VSIG1
VSIG5 –VSIG4
Vin = 70dBµ, Pin2 voltage
Vin = 100dBµ, Pin2 voltage
Band width at Pin4 DC voltage = 2.5V,
R = 30kΩ
26.5
150
–240
0.19
2.51
1.15
2.92
4.11
145
Supply Current
Itot
Vin = 0dBµ
15
THD
Mod. = 30%, Vin = 100dBµ
THD
Mod. = 100%, Vin = 100dBµ
S/N
Mod. = 30%, Vin = 100dBµ
IF Counter Output Level
Pin16, 10.7MHz Output
AMR
AM = 30% Mod.,
FM = 30% Mod.
Residual Noise Level
Vin = 0dBµ
Control Voltage Adjusting Width
Referred to Input
30
Reference Voltage
AF Output Impedance
typ.
29.5
175
0
0.52
2.92
1.45
3.4
4.8
165
19
0.1
0.3
63
250
50
–23
3.9
300
max. Unit
32.5 dBµ
210 mVrms
240 mV
0.85
V
3.33
V
1.75
V
3.98
V
5.56
V
185 kHz
23 mA
%
%
dB
mVrms
dB
dB
dB
V
Ω
s Characteristics Curve
Output Voltage, AMR –Vin
20
10
FM 1kHz, 30% Modulation
0
–10
–20
AM 1kHz, 30% Modulation
–30
–40
–50 _{0% Modulation}
–60 ^(Noise)
–70
–80 _{0 10 20 30 40 50 60 70 80 90 100 110 120}
Vin (dBµ)
Control Voltage – Vin
5
Control Voltage Pin2
4 ^{SD Output Pin4}
3
2
Mute Voltage Pin3
1
0 _{0 10 20 30 40 50 60 70 80 90 100 110 120}
Vin (dBµ)