Ordering number : EN1844C
Monolithic Linear IC
LA1800
FM/AM Single-Chip Radio
Functions
Package Dimensions
鈥?FM : Front end, low-pass filter, IF amp, quadrature
unit : mm
detector, muting.
3059-DIP22S
鈥?AM :RF amp, detector.
鈥?AM :AF driver (earphone driver).
22
[LA1800]
12
7.62
6.4
Features
鈥?Minimum number of external parts required : One tuning
circuit each for FM, AM
鈥?Low current dissipation : 5.6mA/FM, 3.2mA/AM
鈥?Low-voltage operation : V
CC
min=2.5V
1
21.2
11
0.51min
3.3
3.9max
3.25
0.95
0.48
1.78
1.7
SANYO : DIP22S
Specifications
Maximum Ratings
at Ta=25擄C
Parameter
Maximum supply voltage
Allowable power dissipation
Operating temperature
Storage temperature
Symbol
V
CC
max
Pd max
Topr
Tstg
Pin 3
Conditions
Ratings
6.0
200
鈥?0 to +70
鈥?0 to +125
Unit
V
mW
擄C
擄C
Operating Conditions
at Ta=25擄C
Parameter
Operating voltage range
Symbol
V
CC
op
Conditions
Ratings
3.0
2.5 to 5.0
Unit
V
V
Recommended operating voltage V
CC
Operating Characteristics
at Ta=25擄C, V
CC
=3V, See Test Circuit
Parameter
[AM]
Current drain
Pin 2 voltage
Pin 14 voltage
Pin 21 voltage
[FM]
Current drain
Pin 2 voltage
Pin 4 voltage
Pin 5 voltage
Icco
V
2
V
4
V
5
1.9
1.7
1.7
5.6
2.6
2.3
2.3
8.0
2.9
2.9
2.9
mA
V
V
V
Icco
V
2
V
14
V
21
1.9
0.4
0.6
3.6
2.4
0.9
0.9
5.5
2.9
1.6
1.2
mA
V
V
V
Symbol
Conditions
min
Ratings
typ
max
Unit
Continued on next page.
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN
12798HA (KT)/D101TH/N03TA/9037AT/7095MW, TS No.1844-1/8
0.25