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PDF LA1816M Data sheet ( Hoja de datos )
| Número de pieza | LA1816M | |
| Descripción | Single-Chip AM/FM/ MPX Tuner System for Headphone Stereos/ Radio-Cassette Recorders | |
| Fabricantes | Sanyo Semicon Device | |
| Logotipo |  |
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Ordering number: EN2659C
Monolithic Linear IC
LA1816, 1816M
Single-Chip AM/FM, MPX Tuner System for Headphone
Stereos, Radio-Cassette Recorders
Functions
. FM: RF amplifier, MIX, OSC, IF amplifier, quadrature
detector
. AM: RF amplifier, MIX, OSC, IF amplifier, detector, AGC
. MPX: PLL stereo decoder, stereo indicator, VCO stop
Package Dimensions
unit : mm
3067-DIP24S
[LA1816]
Features
. Contains FM tuner, AM tuner, MPX on a single chip.
. Adjustment-free FM detector and AM IF
. Minimum number of external parts required
. Low-voltage operation
. Low current drain
. Less carrier leak of MPX (no-input, monaural-input mode)
unit : mm
3112-MFP24S
SANYO : DIP24S
[LA1816M]
Specifications
Maximum Ratings at Ta = 25°C, See specified Test Circuit
Parameter
Maximum supply voltage
Maximum supply current
Flow-in current
(Indicator drive current)
Flow-out current
Allowable power dissipation
Operating temperature
Storage temperature
Symbol
VCC max
ICC max
ILED
I21
Pd max
Topr
Tstg
Conditions
Pins 8, 9, 11, 18, 20, 22
Pins 8 + 18 + 20 + 22
Pin 9
Pin 21
Ta % 70°C
SANYO : MFP24S
Ratings
7
50
10
0.1
350
–20 to +70
–40 to +125
Unit
V
mA
mA
mA
mW
°C
°C
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN
N3097HA(II)/8099YT/N307TA/N197TA,TS No.2659-1/11
1 page  
LA1816, 1816M
How to use the LA1816
1. VCO stop
The VCO is stopped by shorting pin 10 and pin 8 (VCC pin).
Note) The maximum supply voltage on pin 10 must not exceed the voltage on pin 8.
2. Free-running frequency check
Either of the following two methods is used to check the free-running frequency.
(a) Connect pin 12 to a frequency counter through the high input impedance amplifier.
Figure 1
(b) Connect the connection point of the semifixed resistor connected to pin 12 and the fixed resistor to a frequency counter
through the resistor of 240 kΩ or greater.
How the error changes with the resistor value is shown in Figure 2.
∆F – RX
RX – Ω
Figure 2
3. How to use the FM DET coil
For pin 17 (FM DET), a coil may be used instead of adjustment-free FM discriminator.
1 – 3 10T
Qo = 90
f = 10.7 MHz
82 pF internal
Figure 3 How to use the FM DET coil
Figure 4 FM DET Coil Characteristics
Pin 4 (IF) input
Figure 5 FM DET Coil Characteristics
ANT input voltage – dBµ
ANT input voltage – dBµ
No.2659-5/11
5 Page 
LW Band Test Circuit
LA1816, 1816M
Coil Specifications
T1 c LW OSC
MA-7014 (Mitsumi)
4 – 6 40T
1 – 3 80T
L = 220 µH, Qo = 130
L1 c LW bar antenna
HH-50161 (Mitsumi)
Unit (capacitance: F)
1– 2 20T
3– 4 200T
3– 4 L = 2.74 mH, Qo ^ 200
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:
1 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:
2 Not impose any responsibility 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 guaranteed 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 November, 1997. Specifications and information herein are subject to change without notice.
No.2659-11/11
11 Page | ||
| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet LA1816M.PDF ] | |
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