參數(shù)資料
型號(hào)： NTE1514
廠商： NTE Electronics, Inc.
元件分類(lèi)： LED驅(qū)動(dòng)器
英文描述： Integrated Circuit 5-Step LED Driver for Logarithmic Scale
中文描述： 集成電路5步數(shù)標(biāo)度的LED驅(qū)動(dòng)器
文件頁(yè)數(shù)： 1/3頁(yè)
文件大?。?/td> 25K
代理商： NTE1514
NTE1514 and NTE1515
Integrated Circuit
5–Step LED Driver for Logarithmic Scale
Features:
Useful for Both AC and DC Level Meter as VU Meter or Signal Meter
Wide Supply Voltage Ramge: V
CC
= 4.4V to 12V
DC Amplifier Included
Comparator Level:
(T
A
= +25
°
C, V
CC
= 6V, I
ref
= 5mA)
NTE1514
NTE1515
Level
D5
Pin
14
Test Conditions
V
R02
= 2.6V to 3V, V
R02
= 0V
V
R02
= 2.6V to 3V, V
R02
= 0V
V
R02
= 2.6V to 3V, V
R02
= 0V
V
R02
= 2.6V to 3V, V
R02
= 0V
V
R02
= 2.6V to 3V, V
R02
= 0V
Min
Typ
Max
Min
Typ
Max
Unit
dB
5.5
6.0
6.5
1.6
2.0
2.4
D4
13
2.5
3.0
3.5
–0.4
0
+0.4
dB
D3
12
–0.5
0
0.5
–3.6
–3.0
–2.4
dB
D2
11
–6.0
–5.0
–4.0
–8.0
–7.0
–6.0
dB
D1
10
–12
–10
–8.0
–17
–15
–13
dB
Note 1. Definition of 0dB:
when voltage of OUT
2
is 2.37V (R
02
= 3V, R
01
= 0V).
when voltage of OUT
2
is 1.50V (R
02
= 3V, R
01
= 0V).
Absolute Maximum Ratings:
(T
A
= +25
°
C unless otherwise specified)
Maximum Supply Voltage (Pin4), V
CC
max
Input Voltage (Pin2, Pin3), V
IN
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Current at Pin C (Pin1), I
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Output Voltage,
Pin16 (Note 2), V
OUT(1)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Pin15, V
OUT(2)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Pin10 to Pin14, V
OUT
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Reference Current (Pin6), I
ref
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Allowable Power Dissipation (T
A
= +55
°
C, Total), P
d
max
Operating Temperature Range, T
opr
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage Temperature Range, T
stg
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Note 2. When OUT
1
is off and OUT
2
is connected to GND (Pin8) through 12k
.
Note 3. Notice inhibit to supply any voltage to input and output pin larger than V
CC
+0.3V (Especially
beware of power switch on). Pin D
1
to D
5
should be connected to V
CC
at no use of LED’s.
–0.3V to +14V
–0.3V to +14V
0.1mA to 2mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
–0.3V to +12V
–0.3V to +12V
–0.3V to 14V
0 to 10mA
500mW
–10
°
to +60
°
C
–40
°
to +125
°
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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