LA1800 [SANYO]
FM/AM Single-Chip Radio; FM / AM单片射频
| 型号： | LA1800 |
| 厂家： | 
SANYO SEMICON DEVICE |
| 描述： | FM/AM Single-Chip Radio |
| 文件： | 总8页 (文件大小：578K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Ordering number : EN1844C
Monolithic Linear IC
LA1800
FM/AM Single-Chip Radio
Functions
Package Dimensions
unit : mm
• FM : Front end, low-pass filter, IF amp, quadrature
detector, muting.
3059-DIP22S
• AM :RF amp, detector.
• AM :AF driver (earphone driver).
[LA1800]
22
12
Features
• Minimum number of external parts required : One tuning
circuit each for FM, AM
1
11
21.2
• Low current dissipation : 5.6mA/FM, 3.2mA/AM
• Low-voltage operation : V min=2.5V
CC
SANYO : DIP22S
0.95
0.48
1.78
1.7
Specifications
Maximum Ratings at Ta=25°C
Parameter
Symbol
Conditions
Ratings
Unit
Maximum supply voltage
Allowable power dissipation
Operating temperature
Storage temperature
V
max
Pin 3
6.0
V
mW
°C
CC
Pd max
Topr
200
–20 to +70
Tstg
–40 to +125
°C
Operating Conditions at Ta=25°C
Parameter
Symbol
Conditions
Ratings
3.0
Unit
V
Recommended operating voltage V
CC
Operating voltage range
V
CC
op
2.5 to 5.0
V
Operating Characteristics at Ta=25°C, V =3V, See Test Circuit
CC
Ratings
Parameter
Symbol
Conditions
Unit
min
typ
max
[AM]
Current drain
Pin 2 voltage
Pin 14 voltage
Pin 21 voltage
[FM]
Icco
3.6
2.4
0.9
0.9
5.5
2.9
1.6
1.2
mA
V
V
V
V
1.9
0.4
0.6
2
V
14
21
V
Current drain
Pin 2 voltage
Pin 4 voltage
Pin 5 voltage
Icco
5.6
2.6
2.3
2.3
8.0
2.9
2.9
2.9
mA
V
V
V
V
1.9
1.7
1.7
2
4
5
V
V
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
LA1800
Continued from preceding page.
Ratings
typ
Parameter
Symbol
Conditions
Unit
min
1.1
1.1
1.1
1.9
1.8
max
2.3
2.3
2.3
2.9
2.9
0.6
1.7
2.9
2.9
14
Pin 6 voltage
Pin 7 voltage
Pin 8 voltage
Pin 9 voltage
Pin 10 voltage
Pin 13 voltage
Pin 14 voltage
Pin 16 voltage
Pin 17 voltage
Pin 19 voltage
Pin 20 voltage
[AF]
V
1.7
V
V
V
V
V
V
V
V
V
V
V
6
V
V
V
V
V
V
V
V
V
V
1.7
7
1.7
8
2.6
9
2.5
10
13
14
16
17
19
20
0
0.5
1.6
1.6
0.6
0.6
1.0
2.3
2.3
0.86
0.86
14
Pin 11 current
Pin 12 voltage
I
0.5
1.0
0
1.5
0.5
mA
V
11
V
12
[Reference characteristics]
Operating Characteristics at Ta=25°C, V =3V, See Test Circuit 2
CC
Ratings
typ
Parameter
Symbol
Conditions
Unit
min
max
[AM : f =1MHz, f =400Hz]
C
m
Current drain
Icco
V 1
Quiescent
3.6
10
mA
mV
mV
dB
Detection output
V
IN
V
IN
V
IN
=40dBµ, 30% mod
=70dBµ, 30% mod
=70dBµ, 30% mod
O
V 2
O
100
47
Signal to noise ratio
S/N
[FM : f =90MHz, f =400Hz]
C
m
Current drain
Icco
Quiescent
5.6
16
90
0.8
59
mA
dBµ
mV
%
Input limiting sensitivity
Demodulation output
Total harmonic distortion
Signal to noise ratio
–3dBL.S.
3dB down, 30% mod
V
V
IN
V
IN
V
IN
=80dBµ, 30% mod
=80dBµ, 30% mod
=80dBµ
O
THD
S/N
dB
[AF : f =400Hz]
m
Voltage gain
VG
V =50mV
24
dB
%
O
Total harmonic distortion
THD
V =50mV
O
0.3
Note : 1. Current drain for FM, AM includes current of AF driver stage.
2. When handling the IC, be careful not to cause dielectric breakdown.
Ambient temperature, Ta
– °C
No.1844-2/8
LA1800
DC Test Circuit
Unit (resistance : Ω, capacitance : F)
AC Test Circuit
Unit (resistance : Ω, capacitance : F)
Equivalent Circuit Block Diagram
No.1844-3/8
LA1800
Sample Application Circuit
Unit (resistance : Ω, capacitance : F)
Sample Printed Circuit Pattern (Cu-foiled side)
Unit (resistance : Ω, capacitance : F)
No.1844-4/8
LA1800
MW Superheterodyne Use
Variable capacitor 2LXT-L
Mitsumi
Mitsumi
Mitsumi
Mitsumi
Mitsumi
L1
T1
HH-40947
HW-40217
HW-40194
HW-50005
T2
T3
B.P.F.
SNY-074-2005 Sumida
Unit (resistance : Ω, capacitance : F)
Noise, AM-out, AF-out, THD
–
Input
Input=80dBµ V13 min
Noise
Input
– dBµ
No.1844-5/7
LA1800
Noise, AF-out
–
Input
AM Band Characteristic
Waveform distortion
increased
MW band
Input
–
dB/m
Receiving frequency – Hz
AM Selectivity
AM Selectivity
Output=20mV
const.
THD
–
V
O
FM V
CC
Characteristic
Gain 23dB
Output=50mV
Input=3.5mV
Supply voltage, V
CC
– V
Output, V
–
mV
O
FM V
Characteristic
AM V
Characteristic
CC
CC
Quiescent noise
Supply voltage, V
CC
– V
Supply voltage, V
CC
– V
No.1844-6/8
LA1800
AM V
Characteristic
Power V
CC
Characteristic
CC
THD=output 50mV
Gain
Supply voltage, V
CC
–
V
Supply voltage, V – V
CC
Superheterodyne System AM Characteristic
Superheterodyne System AM Characteristic
Tracing at 600, 1400kHz
Superheterodyne System AM Characteristic
Unit (resistance : Ω, capacitance : F)
Supply voltage, V
CC
– V
No.1844-7/8
LA1800
Superheterodyne System AM Characteristic
Unit (resistance : Ω)
Input
– dB/m
No products described or contained herein are intended for use in surgical implants, life-support systems,
aerospace equipment, nuclear power control systems, vehicles, disaster/crime-prevention equipment and
the like, the failure of which may directly or indirectly cause injury, death or property loss.
Anyone purchasing any products described or contained herein for an above-mentioned use shall:
Accept full responsibility and indemnify and defend SANYO ELECTRIC CO., LTD., its affiliates,
subsidiaries and distributors and all their officers and employees, jointly and severally, against any
and all claims and litigation and all damages, cost and expenses associated with such use:
Not impose any responsibilty for any fault or negligence which may be cited in any such claim or
litigation on SANYO ELECTRIC CO., LTD., its affiliates, subsidiaries and distributors or any of
their officers and employees jointly or severally.
Information (including circuit diagrams and circuit parameters) herein is for example only; it is not guarant-
eed for volume production. SANYO believes information herein is accurate and reliable, but no guarantees
are made or implied regarding its use or any infringements of intellectual property rights or other rights of
third parties.
This catalog provides information as of January, 1998. Specifications and information herein are subject
to change without notice.
No.1844-8/8
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