參數(shù)資料
型號： NTE1513
廠商： NTE Electronics, Inc.
元件分類： LED驅(qū)動器
英文描述： Integrated Circuit 9-Step LED Driver Circuit for Logarithmic Scale
中文描述： 集成電路9步LED驅(qū)動電路的對數(shù)表
文件頁數(shù)： 1/3頁
文件大小： 24K
代理商： NTE1513
NTE1513
Integrated Circuit
9–Step LED Driver Circuit for Logarithmic Scale
Functions:
Indication Way:
Input Amp:
Comparator Level: Designed with 3dB rate;
Indicates input level in a series bar by 9 red or green LED’s
DC amp installed the aim of which can be varied by a peripheral resistor.
–18dB, –15dB, –12dB, –9dB, –6dB, –3dB, 0dB, +3dB, +6dB
Wide recommended supply voltage: 5.5 to 16V At V
ref2
: 7 to 16V
Reference Voltage: V
ref
(5V) pin can prepare another voltage regulator with added transistor
Supply Voltage:
Applications:
For AC Level Meter as VU Meter
For DC Level Metetr as Signal Meter
Comparator Level:
(T
A
=+ 25
°
C, V
CC
= 12V, V
refl
= 3V)
Comparator Level
D1
D2
D3
D4
D5
D6
D7
D8
D9
Pin
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
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
0.18 (Note 1)
0.27 (Note 1)
0.38 (Note 1)
0.53 (Note 1)
0.75
1.06
1.50
2.12
3.00
Note 1. No
Absolute Maximum Ratings:
(T
A
= +25
°
C unless otherwise specified)
Maximum Supply Voltage (Pin1), V
CC
max
Input Voltage (Pin3, Pin4), V
IN
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
D1 to D9 Output Voltage (D1 to D9: Off), V
OUT D
D1 to D9 Output Current (Pin7 to Pin15, D1 to D9: On), I
OL D
Reference Voltage Flow–Out Current,
Pin2, I
ref1
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Pin16, I
ref2
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
V
OUT
Supply Voltage (Pin5), V
OUT
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Allowable Power Dissipation (T
A
= +55
°
C), P
d
max
Operating Temperature Range, T
opr
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage Temperature Range, T
stg
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
–0.3V to +18V
–0.3V to V
CC
–0.3V to +18V
+30mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
–1mA to 0mA
–6mA to 0mA
–0.3V to +6.0V
500mW
–10
°
to +60
°
C
–40
°
to +125
°
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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