NTE1513
Integrated Circuit
9鈥揝tep LED Driver Circuit for Logarithmic Scale
Functions:
D
Indication Way:
Indicates input level in a series bar by 9 red or green LED鈥檚
D
Input Amp:
DC amp installed the aim of which can be varied by a peripheral resistor.
D
Comparator Level: Designed with 3dB rate;
鈥?8dB, 鈥?5dB, 鈥?2dB, 鈥?dB, 鈥?dB, 鈥?dB, 0dB, +3dB, +6dB
D
Supply Voltage:
Wide recommended supply voltage: 5.5 to 16V At V
ref2
: 7 to 16V
D
Reference Voltage: V
ref
(5V) pin can prepare another voltage regulator with added transistor
Applications:
D
For AC Level Meter as VU Meter
D
For DC Level Metetr as Signal Meter
Comparator Level:
(T
A
=+ 25擄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
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
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
Note 1. No
Absolute Maximum Ratings:
(T
A
= +25擄C unless otherwise specified)
Maximum Supply Voltage (Pin1), V
CC
max . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 鈥?.3V to +18V
Input Voltage (Pin3, Pin4), V
IN
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 鈥?.3V to V
CC
D1 to D9 Output Voltage (D1 to D9: Off), V
OUT D
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 鈥?.3V to +18V
D1 to D9 Output Current (Pin7 to Pin15, D1 to D9: On), I
OL D
. . . . . . . . . . . . . . . . . . . . . . . . . +30mA
Reference Voltage Flow鈥揙ut Current,
Pin2, I
ref1
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 鈥?mA to 0mA
Pin16, I
ref2
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 鈥?mA to 0mA
V
OUT
Supply Voltage (Pin5), V
OUT
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 鈥?.3V to +6.0V
Allowable Power Dissipation (T
A
= +55擄C), P
d
max . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 500mW
Operating Temperature Range, T
opr
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 鈥?0擄 to +60擄C
Storage Temperature Range, T
stg
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 鈥?0擄 to +125擄C
1
2
3
