ina1238ns IK Semicon Co., Ltd, ina1238ns Datasheet
ina1238ns
Manufacturer Part Number
ina1238ns
Description
Fm/am Stereo Radioreceiver
Manufacturer
IK Semicon Co., Ltd
Datasheet
1.INA1238NS.pdf
(3 pages)
DESCRIPTION
ILA1238NS is a high performance one - chip bipolar ICS designed for FM/AM stereo radios. These include an FM/AM
front end, FM/AM IF amplifier, FM/AM detection output and FM stereo demodulator output. Bipolar silicon monolithic IC.
FEATURES
• Low current consumption
(In FM mode I
V
• Built - in LED drive circuit for tuning.
• Built - in LED drive circuit for stereo indicator.
• Built - in detune muting circuit for the FM band.
• Few external parts.
ELECTRICAL CHARACTERISTICS
CC
Symbol
T
V
I
HD1/HD2
SEP
D1/D2
G
V
G
G
= 6.0V).
VI
D1/D3
A
D2
V1
V2
V3
1
1
FM/AM STEREO RADIORECEIVER
AM/FM circuit current
FM front end voltage gain
FM/AM detection output level
FM IF knee level
FM/AM detection output
distortion factor
AM front end voltage gain
AM IF voltage gain
Separation
M/ST switching level by IF
input
FM Mute
D
= 11.0 mA, in AM mode 8.5 mA,
Parameter
(T
No signal AM/FM
V
V
A
IN1
IN2
= 25°C)
= 40dBmV, 100MHz
= 60dBmV, 1660kHz
MONO,1kHz ATT
Vin5=245mVrms,
Test Conditions
Min
28
35
19
15
30
38
16
Guaranteed Limits
TECHNICAL DATA
0.3/0.6
8.5/11
77.5
Typ
35
25
24
21
40
43
23
INA1238NS
12.0/
Max
15.0
138
2.0
42
31
28
29
48
30
Rev. 00
dBmV
dBmV
V
Unit
mA
dB
dB
dB
dB
dB
%
RMS
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ina1238ns Summary of contents
Page 1
... M/ST switching level input A FM Mute 25°C) A Test Conditions Guaranteed Limits Min No signal AM/ 40dBmV, 100MHz 28 IN1 60dBmV, 1660kHz 19 IN2 Vin5=245mVrms, 16 MONO,1kHz ATT TECHNICAL DATA INA1238NS Unit Typ Max 8.5/11 12. 77.5 138 V RMS 25 31 dBmV 0.3/0.6 2 ...
Page 2
VCO MULTIPLEX REGULATOR 1/2 COUNTER DECODE AMP M/ AMP R12 10.0 220K RV R3 C10 22K 0.47 10K GND PLL MPX VCO LPF ...
Page 3
Plastic Dual-in-Line (NS) Dimension max Aı min min A 2 max min B max min B 2 max min C max min D max min E max min E 1 max e nom nom e 2 min ...