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參數(shù)資料
| 型號： | LC7185-8750 |
| 元件分類： | PLL合成/DDS/VCOs |
| 英文描述： | PLL FREQUENCY SYNTHESIZER, 30 MHz, PDIP30 |
| 封裝： | SDIP-30 |
| 文件頁數(shù)： | 1/12頁 |
| 文件大?。?/td> | 152K |
| 代理商： | LC7185-8750 |
Overview
This 27 MHz band, PLL frequency synthesizer LSI chip is designed specifically for CB transceivers.
The specifications are suited for use in U.S.A.(FCC).
Functions
The LC7185-8750 incorporates PLL circuitry and a controller for CB applications on a single CMOS chip. The controller handles
the PLL circuitry, frequency data ROM, channel preset/recall RAM, and LED display driver. It also supports channel scan, channel
preset/recall, and emergency channel call.
Features
1. A built-in programmable divider for the 16 MHz VCO
2. Transmission is inhibited when the PLL is unlocked (digital lock monitor).
3. Direct channel 9 or 19 selection (sliding switch)
4. A 7-segment, 2-character LED display
5. ‘‘PA’’ is displayed in public announcement mode.
6. Output beep-tone control circuitry
7. Up to 5 channel settings can be stored in memory.
8. 4
× 3 keymatrix implementation
Specifications
Absolute Maximum Ratings at Ta=25°C, VSS =0 V
Parameter
Symbol
Conditions
Ratings
Unit
Maximum supply voltage
VDD max
Pin VDD
–0.3 to +9.0
V
Input voltage
VIN1 max
Pins HOLD, TX
–0.3 to +15
V
VIN2 max
Input pins other than VIN1 max
–0.3 to VDD +0.3
V
Output voltage
VO1 max
Pins SA, SB, SC, SD, SE, SF, SG, D1, D2
–0.3 to +15
V
VO2 max
Pins UL, BEEP
–0.3 to +15
V
VO3 max
Pin PD
–0.3 to VDD +0.3
V
VO4 max
Output pins other than mentioned above
–0.3 to VDD +0.3
V
Output Current
IO1 max
Pins SA, SB, SC, SD, SE, SF, SG
0 to +30
mA
IO2 max
Pins D1, D2
0 to +10
mA
IO3 max
Pins UL
0to +20
mA
IO4 max
Pin BEEP
0 to +10
mA
Allowable power
dissipation
Pd max
(Ta ≤ 85°C)
350
mW
Operating temperature
Topr
–40 to +85
°C
Storage temperature
Tstg
–55 to +125
°C
Ordering number : EN3356A
SANYO Semiconductors
DATA SHEET
LC7185-8750
Any and all SANYO Semiconductor 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 Semiconductor representative
nearest you before usingany SANYO Semiconductor products described or contained herein in such
applications.
SANYO Semiconductor 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 Semiconductor
products described or contained herein.
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
CMOS IC
O1806 / 73098HA(II) / 5220TA No.3356-1/12
CB Transceiver PLL Frequency Synthesizer
and Controller
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