NTE1290
Integrated Circuit
AM Tuner for Car Radio
Features:
D
Complete 1–Chip AM Tuner
D
Good High–Input Characteristics Provided with Automatic Dynamic Range Mag. Control at RF
State (THD = 1% Typ. at 130dBµ)
D
High AGC FOM (63dB Typ)
D
Good Usable Sensitivity (23dBµ Typ.)
D
Low Distortion (0.4% Typ. at 74dBµ)
D
Good Beat Characteristics (3fi beat = 40dB at 108dBµ Input, at fi = 262.5kHz)
D
Large Two–Signal Selectivity (55dB Typ. at Desired 54dBµ)
D
Cut–Off Pop Noise at Detuning
D
Standard Power Supply Voltage Area is 10.8V through 15.6V (13.2V typ) and Local Oscillation
Stopping Voltage is Less Than 6V.
Absolute Maximum Ratings:
(T
A
= +25°C unless otherwise specified)
Supply Voltage, V
CC
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16V
Power Dissipation (T
A
= +60°C), P
T
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 550mW
Operating Temperature Range, T
opr
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –30° to +70°C
Storage Temperature Range, T
stg
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –55° to +125°C
Electrical Characteristics:
(T
A
= +25°C, V
CC
= 13.2V, f
c
= 1000kHz, f
m
= 400Hz, Output Power
of Power Stage 0.5W, R
L
= 4Ω unless otherwise specified)
Parameter
Current Drain
Signal–to–Noise Ratio
AGC FOM
Total Harmonic Distortion
Sensitivity
THD
Symbol
I
CC
S/N
Test Conditions
V
CC
= 13.2V at zero signal
Input = 34dBµ, 30% MOD.
Output Base at 74dBµ input, Test at the
10dB output down, 30% MOD.
Input = 11dBµ, 30% MOD.
Input at S/N = 20dB, 30% MOD.
Min
–
25.5
51
–
–
Typ
15
30
63
0.4
23
Max
–
–
–
5
–
Unit
mA
dB
dB
%
dBµ
京公网安备 11010802033920号
EEWORLD
