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PDF LA1824 Data sheet ( Hoja de datos )
| Número de pieza | LA1824 | |
| Descripción | Single Chip Tuner IC for Use in Radio/Cassette Products with Manual Tuning | |
| Fabricantes | Sanyo Semicon Device | |
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Ordering number : ENN*6855
LA1824
Monolithic Linear IC
LA1824
Single Chip Tuner IC for Use
in Radio/Cassette Products with Manual Tuning
Preliminary
Overview
Package Dimensions
The LA1824 is a single-chip tuner IC that incorporates
FM/AM and MPX circuits.
The built-in MPX-VCO allows this IC to be adjustment free
and to require no external components.
Features
unit : mm
3067A
24
[LA1824]
21.0
13
• FM, AM and MPX integrated in a single-chip.
• Adjustment free MPX-VCO
: No ceramic resonator used.
• FM front-end : Local OSC voltage reduced.
• FM stereo and FM/AM tuning indicator
output provided.
• Package : DIP-24S.
1
0.9
12
Functions
FM : RF amplifier, mixer, oscillator, IF amplifier,
(0.71) 1.78 0.48
detector, signal meter, tuning indicator.
AM : RF amplifier, mixer, oscillator (with ALC),
IF amplifier, detector, AGC, tuning indicator.
MPX : PLL stereo decoder, stereo indicator, VCO on chip, forced monaural.
0.95
SANYO : DIP-24S(300mil)
Specifications
Maximum Ratings at Ta = 25 °C
Parameter
Maximum supply voltage
Indicator drive current
Allowable power dissipation
Operation temperature
Ambient temperature
Symbol
VCC max
ILED
Pd max
Topg
Tstg
Pin 8, 9
Ta ≤ 70 °C
Conditions
Ratings
7.0
20
300
--20 to +70
--40 to +125
Unit
V
mA
mW
°C
°C
Recommended Operating Conditions at Ta = 25 °C
Parameter
Symbol
Recommended supply voltage
Operation supply voltage range
VCC
VCC op
Conditions
Ratings
4.5
2.5 to 6.0
Unit
V
V
Any and all SANYO products described or contained herein do not have specifications that can handle
applications that require extremely high levels of reliability, such as life-support systems, aircraft's
control systems, or other applications whose failure can be reasonably expected to result in serious
physical and/or material damage. Consult with your SANYO representative nearest you before using
any SANYO products described or contained herein in such applications.
SANYO assumes no responsibility for equipment failures that result from using products at values that
exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other
parameters) listed in products specifications of any and all SANYO products described or contained
herein.
SANYO Electric Co.,Ltd. Semiconductor Company
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
11201 RM (IM) No.6855-1/10
1 page  
LA1824
Coil specifications (bottom view)
• FM-BPF : SA-309 (Sumida) 88 MHz to 108 MHz
• FM-RF : SA-149 (Sumida) 3.6 mm diameter, air core, 0.6 mm wire, 4.5 T
• FM-OSC : SA-151 (Sumida) 3.6 mm diameter, air core, 0.6 mm wire, 3.5 T
• FM-MIX : SA-165 (Sumida)
: A119ACS-19458X (Toko)
S
VCC 3
S
4 CF
4-6 2 T
3-1 12 T
VCC 3
S
4 CF
2
pin5 1
6 GND
ILA00378
0.12UEW
fo = 10.7 MHz
Qo ≥ 50
100 pF internal
2
pin5 1
S
6 GND
ILA00382
• FM-DET : SA-1134 (Sumida)
: A119ACS-19459Z (Toko)
3-1 10 T
4-6 2 T
0.1-2UEW
fo = 10.7 MHz
Qo ≥ 60
100 pF internal
pin13 3
4
1-3 12 T
2 0.10UEW
VCC 1
S
6
ILA00379
fo = 10.7 MHz
Qo ≥ 70
82 pF internal
• AM-OSC : SA-181 (Sumida)
S 6-4 37 T
PVC 3
4 pin3
3-1
74 T
2
GND 1
6 VCC
S
0.06UEW
fo = 796 kHz
Qo ≥ 80
ILA00380
L = 140 µH
• AM-MIX : SA-1136 (Sumida)
SS
3 4 CF
3-2 122 T
4-6 9 T
VCC 2
pin7 1
6 GND
ILA00381
2-1 62 T
0.06UEW
fo = 450 kHz, Qo ≥ 65
180 pF internal
• FM-IF filter : SFE10.7MS2 (Murata)
• AM-IF filter : SFU450B (Murata)
• Poly-varicon : FT-2217 (Toko)
• MW Bar-antenna : C8E-A0105 (Toko)
1-2 67 T
3-4 9 T
1S
PVC
2 3S 4
GND pin1 pin2
ILA00384
fo = 796 kHz
Qu = 180 min
L = 260µH
pin13 3
2
VCC 1
S
4
6
ILA00379
: L7BRS-3132AQ (Toko)
S
PVC 3
4 pin3
2
GND 1
6 VCC
S
ILA00380
: PCFAZ-082 (Toko)
S
34
VCC 2
pin7 1
S
GND
6
ACFA-450L08
ILA00383
1-3 11 T
0.1-2UEW
fo = 10.7 MHz
Qo ≥ 70
82 pF internal
3-1
6-4
0.06-2UEW
fo = 796 kHz
Qo ≥ 65
L = 140 µH
64 T
32 T
1-2 47 T
2-3 100 T
4-6 12 T
fo = 450 kHz
180 pF internal
With AM-IF filter
No.6855-5/10
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet LA1824.PDF ] | |
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