NTE NTE1513 Datasheet
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 V
D Reference Voltage: V
(5V) pin can prepare another voltage regulator with added transistor
ref
Applications:
D For AC Level Meter as VU Meter
D For DC Level Metetr as Signal Meter
: 7 to 16V
ref2
Comparator Level: (TA =+ 25°C, VCC = 12V, V
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
refl
= 3V)
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), V
D1 to D9 Output Voltage (D1 to D9: Off), V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
IN
OUT D
D1 to D9 Output Current (Pin7 to Pin15, D1 to D9: On), I
OL D
–0.3V to V
–0.3V to +18V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Reference Voltage Flow–Out Current,
Pin2, I
Pin16, I
V
Supply Voltage (Pin5), V
OUT
ref1
ref2
OUT
–1mA to 0mA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
–6mA to 0mA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
–0.3V to +6.0V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Allowable Power Dissipation (TA = +55°C), Pdmax 500mW. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating Temperature Range, T
Storage Temperature Range, T
stg
opr
–10° to +60°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
–40° to +125°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CC
+30mA. . . . . . . . . . . . . . . . . . . . . . . . .
Allowable Operation Condition: (TA = +25°C unless otherwise specified)
Recommended Supply Voltage (Pin1), V
Using V
ref2
Input Voltage (Pin3, Pin4), VIN+, VIN––0.3V to V
Load Resistance (Pin5 to Pin6), R
L
CC
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
+55V to +16V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
+7V to +16V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
15kΩ to 20kΩ. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electrical Characteristics: (TA = +25°C, VCC = 12V unless otherwise specified)
Parameter Symbol Pin Test Conditions Min Typ Max Unit
CC
Input Bias Current
IIN+(A) 3 VIN+ = 0V, VIN– = 3V, GND = 0V –2 – 0 µA
(Amp Section)
IIN–(A) 4 VIN+ = 3V, VIN– = 0V, GND = 0V –2 – 0 µA
Input Bias Current
(Comparator Section)
+ Output Leakage Current
Offset Voltage V
IIN+(C)
+
IOL(A)
offset1
5 VIN+ = 0V, VIN– = 3V, OUT = 0V,
GND = 0V
5 VCC = 6V, VIN+ = VIN– = 0V, GND = –6V,
–10 – 0 µA
–180 – +180 mV
Gain 20dB
V
Reference Voltage V
Current Dissipation I
offset2
ref1
V
ref2
CC
5 VIN+ = VIN– = 0V, GND = 0V, Gain 20dB 0 – +180 mV
2 I
16 I
= 0 to 1mA 2.6 – 3.0 V
ref
= 0 to 6mA 4.2 4.7 5.2 V
ref
1 VIN+ = 3V, VIN– = 0V – 10 20 mA
Amp Gain VG Open Looped 30 – – dB
Output Flow–out Current I
Pin D Output On Voltage V
OH
OL D
5 V
= 0V, VIN+ = 3V, VIN– = 0V – – –10 µA
OUT
7 to 1 5 D1 to D9: IOL = 20mA, VIN+ = 3V,
– – 1.2 V
VIN– = 0V
Pin D Output Leakage
Current
Output Voltage
(Amp Section)
I
OH D
V
OH
7 to 1 5 D1 to D9: VIN+ = 0V, VIN– = 3V,
VD1 to D9 = 12V
5 VCC = 5.5V, VIN+ = 3V, VIN– = 0V,
RL = 15kΩ
– – 10 µA
4 – – V
VIN+ = 3V, VIN– = 0V, RL = 15kΩ 9.5 – – V
V
CC
V
(1)
ref
Input (+)
Input (–)
Pin Connection Diagram
1
2
3
4
5Output
6GND
7LED1
V
16
15
LED9
14
LED8
13
LED7
12 LED6
11 LED5
10 LED4
8LED2 9 LED3
ref
(2)
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