ICs for FM/AM Tuner
s
Electrical Characteristics at T
a
=
25°C
Unless otherwise specified, V
CC
=
8V, V
IN1
is f
=
10.70 MHz, Mod. = 1 kHz, 30%
FM modulation stereo input is L
+
R
=
90% V
P
=
10%
AN7293NSC
Parameter
Control voltage (1)
Control voltage (2)
Control voltage (3)
Control voltage (4)
Control voltage (5)
Control voltage (6)
Output level L-channel
Output level R-channel
Channel balance
Residual pilot voltage
Stereo lamp turn-on level
Separation L-channel
Separation R-channel
Capture range
Counter output level (1)
Counter output level (2)
Symbol
V
C1
V
C2
V
C3
V
C4
V
C5
V
C6
V
OL
V
OR
CB
V
PC
Conditions
Without signal input, pin 2 DC voltage
V
IN1
=
40 dBµ, pin 2 DC voltage
V
IN1
=
70 dBµ, pin 2 DC voltage
V
IN1
=
100 dBµ, pin 2 DC voltage
V
C5
=
V
C3
−
V
C2
V
C6
=
V
C4
−
V
C3
V
IN1
=
70 dBµ, pin 10 AC voltage
V
IN1
=
70 dBµ, pin 9 AC voltage
CB
=
20·log (V
OL
/V
OR
)
V
P
=
10% modulation, V
IN1
=
70 dBµ,
pin 22 output voltage
Min
0.0
0.7
2.5
4.5
1.8
1.9
85
85
−1.0
1.3
25
25
±0.4
120
0
Typ
0.3
1.2
3.2
5.3
2.0
2.1
105
105
0
4
4.0
33
33
±0.7
140
2
Max
0.9
1.7
3.9
5.8
2.2
2.3
125
125
1.0
14
6.3
160
5
Unit
V
V
V
V
V
V
mV[rms]
mV[rms]
dB
mV[rms]
%
dB
dB
%
mV[rms]
mV[rms]
LAMP
ON
19 kHz modulation, Modulation factor
at which pin 23 becomes under 1 V
Sep
L
Sep
R
CR
VIF
1
VIF
2
L+R
=
90%, V
P
=
10%
Larger separation value after
changing over pin 7 external resistor
Modulation at V
P
=
6.5%
Referred to 19 kHz
V
IN1
=
100 dBµ, V
24
=
2 V
pin 23 output voltage
V
IN1
=
100 dBµ, V
24
=
5 V
pin 23 output voltage
Monaural THD (L)
Monaural THD (R)
Stereo THD (L)
Stereo THD (R)
PNL-AGC voltage (1)
PNL-AGC voltage (2)
Residual noise voltage
THD
L
THD
R
THD
STL
THD
STR
V
AGC1
V
AGC2
V
NR
V
IN2
monaural input, 500 mV[0-p]
1 kHz, L-ch. output distortion factor
V
IN2
monaural input, 500 mV[0-p]
1 kHz, R-ch. output distortion factor
V
IN2
stereo input, 500 mV[0-p]
1 kHz, L-ch. output distortion factor
V
IN2
stereo input, 500 mV[0-p]
1 kHz, R-ch. output distortion factor
V
IN2
=
Without input
pin 19 DC voltage
Input V
IN2
=
100 mV, f
=
100 kHz
Difference from V
AGC1
V
IN2
=
(pulse width 10
µs,
1 V[p-p]
1 kHz), L-ch. output
1.2
0.1
0.0
0.1
0.1
0.1
0.1
1.4
0.35
0.2
0.3
0.3
0.3
0.3
1.7
0.60
0.7
%
%
%
%
V
V
mV[rms]
3
PANASONIC [ PANASONIC SEMICONDUCTOR ]
