Ordering number: EN 1197F
CMOS IC
LC7265
Received Frequency Display for Radio Receivers
Features
Package Dimensions
unit : mm
.
Displays received frequency of each band of FM, MW, LW
.
(LED static display). frequency and displays received
Counts local oscillation
.
frequency. display digits : FM-5 digits, MW-4 digits, LW-3
Number of
.
digits. intermediate frequencies shown below.
Covers
+10.700, +10.725, +10.750, +10.675 MHz
鈥?0.700, 鈥?0.725, 鈥?0.675, 鈥?0.650 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 (梅8 prescaler) jointly at the time of FM
reception.
Supply voltage V
DD
: 4.5 V to 10 V
FM :
3025B-DIP42S
[LC7265]
.
.
.
.
.
SANYO : DIP42S
Specifications
Absolute Maximum Ratings
at Ta = 25 擄C, V
SS
= 0 V
Parameter
Maximum supply voltage
Input voltage
Output voltage
Allowable power dissipation
Allowable power dissipation of
segment outputs
Symbol
V
DD
max
V
IN
V
O
1
V
O
2
Pd max
Pd (seg)1
Pd (seg) 2
Pd (seg) 3
Pd (seg) 4
Operating temperature
Storage temperature
Topr
Tstg
All input pins
X
OUT
, HLD, 50 Hz, output: off
Output pins other than V
O
1
Ta
%
65 擄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
Conditions
Ratings
鈥?.3 to +11
鈥?.3 to V
DD
+0.3
鈥?.3 to V
DD
+0.3
0 to 15
550
30
15
25
12
鈥?0 to +65
鈥?0 to +125
Unit
V
V
V
V
mW
mW
mW
mW
mW
擄C
擄C
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
1
2
3
4
5
6
