參數(shù)資料
型號(hào): LC7265
元件分類: 消費(fèi)家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PDIP42
封裝: SDIP-42
文件頁(yè)數(shù): 1/6頁(yè)
文件大?。?/td> 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 VDD : 4.5Vto 10V
Package Dimensions
unit : mm
3025B-DIP42S
[LC7265]
SANYO : DIP42S
Specifications
Absolute Maximum Ratings at Ta=25 °C, VSS =0 V
Parameter
Symbol
Conditions
Ratings
Unit
Maximum supply voltage
VDD max
–0.3 to +11
V
Input voltage
VIN
All input pins
–0.3 to VDD+0.3
V
Output voltage
VO1XOUT, HLD, 50 Hz, output: off
–0.3 to VDD+0.3
V
VO2
Output pins other than VO1
0 to 15
V
Allowable power dissipation
Pd max
Ta
% 65 °C
550
mW
Allowable power dissipation of
segment outputs
Pd (seg)1
MHz, b&c, b&e, VDD = 4.5 to 6.5 V,
IOL =33 mA
30
mW
Pd (seg) 2
Other outputs, VDD = 4.5 to 6.5 V,
IOL = 16.5 mA
15
mW
Pd (seg) 3
MHz, b&c, b&e, VDD = 6.0 to 10 V,
IOL =36 mA
25
mW
Pd (seg) 4
Other outputs, VDD = 6.0 to 10 V,
IOL =18 mA
12
mW
Operating temperature
Topr
–30 to +65
°C
Storage temperature
Tstg
–40 to +125
°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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