LA1186N
LA1186N
Ordering number : EN1840A
FM Front End for Radio-Cassette Recorders,
Music Centers
Monolithic Linear IC
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN
O2097HA (KT)/0027KI/4255MW/2255KI, TS No.1840-1/5
Features and Functions
• Contains RF amplifier, MIX, OSC, AFC diode.
• Operating voltage : 1.8 to 8.0V.
• Improvement in cross modulation characteristic due to the
use of double-balanced MIX.
• Improvement in strong input characteristic.
• Minimum number of external parts required.
• Less spurious radiation from local OSC.
• TV (1 to 12 channel) receive capability.
Package Dimensions
unit: mm
3017C-SIP9
[LA1186N]
SANYO: SIP9
Specifications
Maximum Ratings
at Ta=25°C
Parameter Symbol Conditions Ratings Unit
Maximum supply voltage V
CC
max 8.0 V
Maximum pin voltage V3-5 12 V
V6-5 V
CC
+0.8 V
Allowable power dissipation Pd max Ta≤80°C 150 mW
Operating temperature Topr –20 to +80 °C
Storage temperature Tstg –40 to +125 °C
Operating Conditions at Ta=25°C
Parameter Symbol Conditions Ratings Unit
Recommended supply voltage V
CC
4.5 V
Operating voltage range V
CC
op 1.8 to 7.5 V
Electrical Characteristics at Ta=25°C, V
CC
=4.5V, f
r
=108MHz, f
OSC
=118.7MHz, See specified Test Circuit.
Parameter Symbol Conditions
Ratings
min typ max
Unit
Current dissipation I
CC
Quiescent 7.0 9.5 mA
Output saturation voltage Vo V
IN
=100dBµ 95 115 135 V
Local OSC voltage V
OSC
V
CC
=2V 200 315 mVrms
Oscillation stop voltage 1.4 1.8 V
LA1186N
No.1840-2/5
US Band Overall Characteristic (LA1186+LA1260)
Antenna input – dBµ
Output – dB
US Band V
CC
Characteristic
Supply voltage, V
CC
– V
OSC level, V
OSC
– mVrms
US Band Band-pass Characteristic
Receiving frequency, fr – MHz
LED lighting level, Q
S
, 3dBLS – dB
Saturation output – mVrms
US Band AFC Characteristic
Frequency drift, ∆f – kHz
Usable sensitivity, Q
S
– dBµ
Total Band OSC Level Change with Supply Voltage
Supply voltage, V
CC
– V
OSC voltage, V
OSC
– mV
LA1186N+LA1261 Band-pass Characteristic
Receiving frequency, fr – MHz
Lighting level – dBµ
LA1186N+LA1261 Overall Characteristic (with DIN Audio)
Antenna input – dBµ
Output – dB
Output – dB
LA1186N Band-pass Characteristic
Receiving frequency, fr – MHz
Conversion gain – dB
Saturation output, OSC buffer output – dBµ
Conversion gain – dB
OSC frequency drift, ∆f – kHz
Quiescent current, I
CCO
– mA
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