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參數資料
| 型號： | LB1409 |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | Level Meter Driver for 9 LEDs |
| 中文描述： | 液位計9個LED驅動 |
| 文件頁數： | 1/4頁 |
| 文件大?。?/td> | 57K |
| 代理商： | LB1409 |
Level Meter Driver for 9 LEDs
Applications
.
AC level meters such as VU meters.
.
DC level meters such as signal meters.
Functions
.
Display
Nine red or green LEDs display the input level in the shape
of a bar.
.
Input amplifier
Wide application is available owing to built-in DC amplifier
whose gain is variable with external resistors.
.
Comparator level
Setting is made by steps of 3 dB as follows.
–18 dB, –15 dB, –12 dB, –9 dB, –6 dB, –3 dB, 0 dB,
+3 dB, +6 dB
.
Supply voltage
The recommended supply voltage range is so wide as 5.5 V
to 16 V.
(If pin Vref 2 is used, 7 V to 16 V.)
.
Reference voltage
Constant voltage output is available with external transistor
owing to pin Vref 2 = 5 V.
Package Dimensions
unit : mm
3064-DIP16
[LB1409]
SANYO : DIP16
Specifications
Comparator Level
OUT Pin Voltage at Ta = 25°C, V
CC
= 12 V, Vref 1 = 3 V
Comparator level
D1
D2
D3
D4
D5
D6
D7
D8
D9
Pin No.
7
8
9
10
11
12
13
14
15
min
0.11
0.20
0.30
0.45
0.66
0.97
1.40
2.02
2.90
typ
0.18
*
0.27
*
0.38
*
0.53
*
0.75
1.06
1.50
2.12
3.00
max
0.25
0.34
0.46
0.61
0.84
1.15
1.60
2.22
3.10
Unit
V
V
V
V
V
V
V
V
V
*: No overlap occurs in each individual IC.
Ordering number: EN683D
Monolithic Digital IC
LB1409
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN
53096HA(II)/8237KI/8205MW/7140KI,TS No.683-1/4
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