NTE NTE1513

NTE1513
Integrated Circuit
9–Step LED Driver Circuit for Logarithmic Scale
Functions:
D Indication Way:
Indicates input level in a series bar by 9 red or green LED’s
D Input Amp:
DC amp installed the aim of which can be varied by a peripheral resistor.
D Comparator Level: Designed with 3dB rate;
–18dB, –15dB, –12dB, –9dB, –6dB, –3dB, 0dB, +3dB, +6dB
D Supply Voltage:
Wide recommended supply voltage: 5.5 to 16V At Vref2: 7 to 16V
D Reference Voltage: Vref (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: (TA =+ 25°C, VCC = 12V, Vrefl = 3V)
Comparator Level
Pin
Min
Typ
Max
Unit
D1
7
0.11
0.18 (Note 1)
0.25
V
D2
8
0.20
0.27 (Note 1)
0.34
V
D3
9
0.30
0.38 (Note 1)
0.46
V
D4
10
0.45
0.53 (Note 1)
0.61
V
D5
11
0.66
0.75
0.84
V
D6
12
0.97
1.06
1.15
V
D7
13
1.40
1.50
1.60
V
D8
14
2.02
2.12
2.22
V
D9
15
2.90
3.00
3.10
V
Note 1. No
Absolute Maximum Ratings: (TA = +25°C unless otherwise specified)
Maximum Supply Voltage (Pin1), VCCmax . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.3V to +18V
Input Voltage (Pin3, Pin4), VIN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.3V to VCC
D1 to D9 Output Voltage (D1 to D9: Off), VOUT D . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.3V to +18V
D1 to D9 Output Current (Pin7 to Pin15, D1 to D9: On), IOL D . . . . . . . . . . . . . . . . . . . . . . . . . +30mA
Reference Voltage Flow–Out Current,
Pin2, Iref1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –1mA to 0mA
Pin16, Iref2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –6mA to 0mA
VOUT Supply Voltage (Pin5), VOUT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.3V to +6.0V
Allowable Power Dissipation (TA = +55°C), Pdmax . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 500mW
Operating Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –10° to +60°C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –40° to +125°C
Allowable Operation Condition: (TA = +25°C unless otherwise specified)
Recommended Supply Voltage (Pin1), VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +55V to +16V
Using Vref2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +7V to +16V
Input Voltage (Pin3, Pin4), VIN+, VIN– . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.3V to VCC
Load Resistance (Pin5 to Pin6), RL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15kΩ to 20kΩ
Electrical Characteristics: (TA = +25°C, VCC = 12V unless otherwise specified)
Parameter
Symbol
Pin
Input Bias Current
(Amp Section)
IIN+(A)
3
IIN–(A)
Input Bias Current
(Comparator Section)
+ Output Leakage Current
Offset Voltage
Min
Typ
Max
Unit
VIN+ = 0V, VIN– = 3V, GND = 0V
–2
–
0
µA
4
VIN+ = 3V, VIN– = 0V, GND = 0V
–2
–
0
µA
IIN+(C)
+
IOL(A)
5
VIN+ = 0V, VIN– = 3V, OUT = 0V,
GND = 0V
–10
–
0
µA
Voffset1
5
VCC = 6V, VIN+ = VIN– = 0V, GND = –6V,
Gain 20dB
–180
–
+180
mV
Voffset2
5
VIN+ = VIN– = 0V, GND = 0V, Gain 20dB
0
–
+180
mV
Vref1
2
Iref = 0 to 1mA
2.6
–
3.0
V
Vref2
16
Iref = 0 to 6mA
4.2
4.7
5.2
V
Current Dissipation
ICC
1
VIN+ = 3V, VIN– = 0V
–
10
20
mA
Amp Gain
VG
Open Looped
30
–
–
dB
Output Flow–out Current
IOH
5
VOUT = 0V, VIN+ = 3V, VIN– = 0V
–
–
–10
µA
Pin D Output On Voltage
VOL D
7 to 15
D1 to D9: IOL = 20mA, VIN+ = 3V,
VIN– = 0V
–
–
1.2
V
Pin D Output Leakage
Current
IOH D
7 to 15
D1 to D9: VIN+ = 0V, VIN– = 3V,
VD1 to D9 = 12V
–
–
10
µA
Output Voltage
(Amp Section)
VOH
5
VCC = 5.5V, VIN+ = 3V, VIN– = 0V,
RL = 15kΩ
4
–
–
V
VIN+ = 3V, VIN– = 0V, RL = 15kΩ
9.5
–
–
V
Reference Voltage
Test Conditions
Pin Connection Diagram
VCC
1
16 Vref (2)
Vref (1)
2
15 LED9
Input (+)
3
14 LED8
Input (–)
4
13 LED7
Output
5
12 LED6
GND
6
11
LED1
7
10 LED4
LED2
8
9
LED5
LED3
16
9
.260 (6.6) Max
1
8
.785 (19.9) Max
.300 (7.62)
.200 (5.08)
Max
.245
(6.22)
Min
.100 (2.54)
.700 (17.7)