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参数资料
| 型号： | NTE1514 |
| 厂商： | NTE Electronics, Inc. |
| 元件分类： | LED驱动器 |
| 英文描述： | Integrated Circuit 5-Step LED Driver for Logarithmic Scale |
| 中文描述： | 集成电路5步数标度的LED驱动器 |
| 文件页数： | 2/3页 |
| 文件大小： | 25K |
| 代理商： | NTE1514 |
Allowable Operating Condition:
(T
A
= +25
°
C unless otherwise specified)
Supply Voltage (Pin4), V
CC
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Reference Current (Pin6), I
ref
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Load Resistance (Pin15, inserted between OUT
2
and GND), R
L2
4.4 to 12V
2.5 to 9.0mA
15 to 20k
. . . . . . . . . . . . . . . . . . .
Electrical Characteristics:
(T
A
= +25
°
C, V
CC
= 4.4V to 12V, I
ref
= 5mA unless otherwise specified)
Parameter
Symbol
Pin
Test Conditions
Min
Typ
Max
Unit
μ
A
Input Bias Current
(Amp Section)
I
IN
+(A)
2
V
CC
= 12V, V
IN
+ = 10V, V
IN
–
= 0V
–
2
–
0
I
IN
–
(A)
I
IN
+(C)
3
V
CC
= 12V, V
IN
+ = 0V, V
IN
–
= 10V
V
CC
= 12V, V
IN
+ = 10V, V
IN
–
= 0V,
V
R01
= 0V, V
R02
= 0V
V
CC
= 12V, V
IN
+ = 0V, V
IN
–
= 10V,
V
R01
= V
R02
= V
ref
, V
OUT2
= 0V
I
ref
= 2.5mA to 9.0mA
Amp Gain 20dB
–
2
–
0
μ
A
μ
A
Input Bias Current
(Comparator Section)
5, 7
–
10
–
0
I
IN
–
(C)
15
–
10
–
0
μ
A
Reference Voltage
V
ref
V
offset
6
2.6
–
3.0
V
Amp Offset Voltage
(Amp Section)
Output Flow
–
in Current
15
–
500
–
+500
mV
I
OL(1)
16
OUT
1
: V
OUT1
= 0.5V, V
IN
+ = 0V,
V
IN
–
= 4V
OUT
1
: V
OUT1
= 3.7V, V
IN
+ = 4V,
V
IN
–
= 0V
OUT
2
: V
CC
= 4.4V, V
OUT2
= 0V
OUT
2
: V
CC
= 12V, V
OUT2
= 0V
10 to 14 D
1
to D
5
: V
CC
= 4.4V, V
D1
to V
D5
= 2.3V,
V
IN
–
= 0V, V
IN
+ = 3V, V
R02
= 3V
D
1
to D
5
: V
CC
= 12V, V
D1
to V
D5
= 9.7V,
V
IN
–
= 0V, V
IN
+ = 9V, V
R02
= 9V
10 to 14 D
1
to D
5
: V
CC
= 12V, V
IN
+ = 0V,
V
IN
–
= 9V, V
R02
= 9V
4
V
CC
= 12V, V
IN
+ = 0V, V
IN
–
= 10V
Open Looped
0.2
–
–
mA
Output Flow
–
out Current
I
OH(1)
16
–
–
–
20
μ
A
I
OH(2)
I
OH(2)
I
OL(D)
15
–
–
–
3.1
mA
15
–
–
–
7.0
mA
Output Flow
–
in Current
3.0
–
7.5
mA
3.0
–
7.5
mA
Output Leak Current
I
OH(D)
–
–
50
μ
A
Current Dissipation
I
CC
VG
–
8
15
mA
Amp Gain
30
–
–
dB
Pin Connection Diagram
VU Level Meter
R
O1
V
ref
‘
R
O2
V
CC
1
2
3
4
Capacitor
Input (
–
)
Input (+)
5
6
7
16
15
14
13
Output (1)
Output (2)
LED5
LED4
12
LED3
11
LED2
10
LED1
8
GND
9
N.C.
Input Level
+3dB
0dB
–
10dB
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