NTE1657
Integrated Circuit
Phase Lock Loop (PLL) FM Stereo Multiplex
Description:
The NTE1657 is a PLL FM stereo multiplex integrated circuit in a 9鈥揕ead SIP type package suitable
for automotive applications and portable radio applications because of space merit by the package
and wide supply voltage range.
Features:
D
Excellent Pilot Lamp Sensitivity: V
L(ON)
= 9mV
rms
(Typ)
D
Suitable for LED Driving: I
LAMP
= 20mA (Max)
D
Recommended Input Voltage Range: V
IN
= 200 to 500mV
rms
D
Operating Supply Voltage Range: V
CC
= 3.5 to 12V
D
Excellent Channel Separation Through Entire Audio Frequency Range: Sep = 45dB (Typ)
D
Low Distortion: THD = 0.08% (Typ) @ V
IN
= 200mV
rms
(Stereo)
D
VCO Stop Capability (The VCO is stopped when the pin 7 is connected with the power supply
line and then the stereo indicator is turn off).
D
Easy Adjustment (The monitored free running frequency of VCO is 38kHz @ Pin6).
Absolute Maximum Ratings:
(T
A
= +25擄C unless otherwise specified)
Supply Voltage, V
CC
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12V
Lamp Voltage, V
LAMP
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16V
Lamp Current, I
LAMP
Continuous . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20mA
Peak . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40mA
Power Dissipation, P
D
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 500mW
Derate Above 25擄C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4mW/擄C
Operating Temperature Range, T
opr
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 鈥?0擄 to +75擄C
Storage Temperature Range, T
stg
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 鈥?5擄 to +150擄C
1
2
3
