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PDF LA1823 Data sheet ( Hoja de datos )
| Número de pieza | LA1823 | |
| Descripción | Single-Chip Tuner IC | |
| Fabricantes | Sanyo Semicon Device | |
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Ordering number : ENN*6854
LA1823
Monolithic Linear IC
LA1823
Single-Chip Tuner IC
for Use in Radio Cassette Recorder
Preliminary
Overview
Package Dimensions
The LA1823 is a single-chip tuner IC that incorporates
unit : mm
FM/AM and MPX circuits and supports electronic tuning. 3067A
The built-in MPX-VCO allows this IC to be adjustment-free
and to require no external components.
Features
24
[LA1823]
21.0
13
• FM, AM and MPX integrated in a single-chip.
• FM front-end : Local OSC voltage reduced.
• Adjustment free MPX-VCO
: No ceramic resonator used.
• Adjustment free FM-DET
: Using ceramic discriminator.
• Build in FM stereo indicator.
• Build in FM/AM IF count buffer.
• Build in AM OSC buffer.
• Package : DIP-24S.
1
0.9
12
(0.71) 1.78 0.48
0.95
SANYO : DIP-24S(300mil)
Functions
FM : RF amplifier, mixer, oscillator, IF amplifier, detector, signal meter, IF count buffer output.
AM : RF amplifier, mixer, oscillator (with ALC), oscillator buffer output, IF amplifier, detector, AGC,
IF count buffer output.
MPX : PLL stereo decoder, stereo indicator, VCO on chip, forced monaural, Audio mute.
Specifications
Maximum Ratings at Ta = 25 °C
Parameter
Maximum supply voltage
Indicator drive current
Allowable power dissipation
Operating temperature
Storage temperature
Symbol
VCC max
ILED
Pd max
Topg
Tstg
Pin 8
Ta ≤ 70 °C
Conditions
Ratings
7.0
20
300
--20 to +70
--40 to +125
Unit
V
mA
mW
°C
°C
Operating Conditions at Ta = 25 °C
Parameter
Symbol
Recommended supply voltage
Operation supply voltage range
VCC
VCC op
Conditions
Ratings
4.5
1.8 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.6854-1/10
1 page  
LA1823
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-IF filter, discriminator :
SK107M1-AE-10, CDF107F-AE-029 (Toko)
SFE10.7MA5, CDA10.7MG1-A (Murata) : tentative
• AM-OSC : SA-181 (Sumida)
: L7BRS-3132AQ (Toko)
S 6-4 37 T
VC 3
4 Pin3
3-1
74 T
S
VC 3
4 Pin3
2 0.06UEW 2
GND 1
6 VCC
S
fo = 796 kHz
Qo ≥ 80
GND 1
6 VCC
S
ILA00302
L = 140 µH
ILA00302
• AM-MIX : SA-1136 (Sumida)
SS
3 4 CF
VCC 2
Pin9 1
6 GND
ILA00304
3-2 122 T
4-6 9 T
2-1 62 T
0.06UEW
fo = 450 kHz, Qo ≥ 65
180 pF internal
• AM-IF filter : SFU450B (Murata)
• MW Bar-antenna : C8E-A0105 (Toko)
1-2 67 T
3-4 9 T
S
12
S
3
VC GND Pin1
4
Pin2
ILA00306
fo = 796 kHz
Qu = 180 min
L = 260µH
: PCFAZ-082 (Toko)
S
34
VCC 2
GND
Pin9 1
S
6
ACFA-450L08
ILA00305
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.6854-5/10
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet LA1823.PDF ] | |
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