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參數(shù)資料
| 型號： | LC7265 |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | Received Frequency Display for Radio Receivers(用于無線電接收器接收頻率的顯示) |
| 中文描述： | 收到的頻率顯示的接收器（用于無線電接收器接收頻率的顯示） |
| 文件頁數(shù)： | 1/6頁 |
| 文件大小： | 127K |
| 代理商： | LC7265 |
Received Frequency Display for Radio Receivers
Features
.
Displays received frequency of each band of FM, MW, LW
(LED static display).
.
Counts local oscillation frequency and displays received
frequency.
.
Number of display digits : FM-5 digits, MW-4 digits, LW-3
digits.
.
Covers intermediate frequencies shown below.
FM :
+10.700, +10.725, +10.750, +10.675 MHz
–10.700, –10.725, –10.675, –10.650 MHz
MW, LW :
+450 kHz : 10 kHz step display
+450 kHz : 1 kHz step display
+455 kHz : 1 kHz step display
+469 kHz : 1 kHz step display
.
Contains blanking circuit to turn off display.
.
Contains hold circuit to hold display contents.
.
Uses crystal resonator having 7.2 MHz reference frequency.
.
Uses LB3500 (
÷
8 prescaler) jointly at the time of FM
reception.
.
Supply voltage V
DD
: 4.5 V to 10 V
Package Dimensions
unit : mm
3025B-DIP42S
[LC7265]
SANYO : DIP42S
Specifications
Absolute Maximum Ratings
at Ta = 25°C, V
SS
= 0 V
Parameter
Symbol
V
DD
max
V
IN
V
O
1
V
O
2
Pd max
Pd (seg)1
Conditions
Ratings
–0.3 to +11
–0.3 to V
DD
+0.3
–0.3 to V
DD
+0.3
Unit
V
V
V
V
mW
mW
Maximum supply voltage
Input voltage
Output voltage
All input pins
X
OUT
, HLD, 50 Hz, output: off
Output pins other than V
O
1
Ta
%
65°C
MHz, b&c, b&e, V
DD
= 4.5 to 6.5 V,
I
OL
= 33 mA
Other outputs, V
DD
= 4.5 to 6.5 V,
I
OL
= 16.5 mA
MHz, b&c, b&e, V
DD
= 6.0 to 10 V,
I
OL
= 36 mA
Other outputs, V
DD
= 6.0 to 10 V,
I
OL
= 18 mA
0 to 15
550
Allowable power dissipation
Allowable power dissipation of
segment outputs
30
Pd (seg) 2
15
mW
Pd (seg) 3
25
mW
Pd (seg) 4
12
mW
Operating temperature
Storage temperature
Topr
Tstg
–30 to +65
–40 to +125
°C
°C
Ordering number: EN 1197F
CMOS IC
LC7265
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
63098HA(II)/6088YT/9105KI/3173KI/D162KI/7162KI/6242KI,TS No.1197-1/6
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