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PDF LC7215 Data sheet ( Hoja de datos )
| Número de pieza | LC7215 | |
| Descripción | MW/LW PLL Frequency Synthesizers | |
| Fabricantes | Sanyo Semicon Device | |
| Logotipo |  |
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Ordering number: EN 3584B
Silicon-gate CMOS LSI
LC7215, 7215F, 7215FM
MW/LW PLL Frequency Synthesizers
Overview
The LC7215, LC7215F and LC7215FM are phase-locked-loop
frequency synthesizer LSIs that provide accurate reference
frequencies over the MW and LW bands, making them ideally
suited for AM tuners.
Package Dimensions
unit : mm
3003A-DIP14
[LC7215, 7215F]
Features
. PLL frequency synthesizer LSIs for MW and LW bands.
. Reference frequencies of 1, 5, 9 and 10 kHz.
. On-chip transistor for the low-pass filter amplifier.
. Single output pin (CMOS output)
. Controller clock output pin.
. Time-base output pin.
. All devices can be used for double conversion demodulation.
. The LC7215F and 7215FM have expanded input frequency
ranges.
LC7215
0.5 to 13 MHz : (DIP14)
LC7215F/FM 0.5 to 20 MHz : (DIP14/MFP14S)
unit : mm
3111-MFP14S
SANYO : DIP14
[LC7215FM]
SANYO : MFP14S
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN
D2597HA(II)/1291JN/7200JN No.3584-1/7
1 page  
Data Input
LC7215, 7215F, 7215FM
Internal
data
(1) A to N: Divider data
Input MSB first
Example:
Division by 12,420
(2) O, P: Mode selection
Mode
NOR1
NOR2
TEST1
TEST2
OP
00
01
10
11
DOUT
T
T
(3) Q, R: Reference frequency selection
TB
8 Hz
8 Hz
Operation
Normal operation (with PLL operating)
Normal operation (backup when PLL is halted)
(Device test mode)
(Device test mode)
QR
00
01
10
11
Reference frequency
9 kHz
10 kHz
1 kHz
5 kHz
(4) S: Programmable divider input sensitivity switch
S = 1: for High speed
S = 0: for Low speed
(5) T: Output to DOUT
T = 1: DOUT = 1
T = 0: DOUT = 0
No.3584-5/7
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet LC7215.PDF ] | |
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