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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 =+ 25C, VCC = 12V, Vrefl = 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: (TA = +25C 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 = +55C), Pdmax . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 500mW Operating Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -10 to +60C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -40 to +125C
Allowable Operation Condition: (TA = +25C 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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15k to 20k Electrical Characteristics: (TA = +25C, VCC = 12V unless otherwise specified)
Parameter Input Bias Current (Amp Section) Input Bias Current (Comparator Section) + Output Leakage Current Offset Voltage Symbol IIN+(A) IIN-(A) IIN+(C) + IOL(A) Voffset1 Voffset2 Reference Voltage Vref1 Vref2 Current Dissipation Amp Gain Output Flow-out Current Pin D Output On Voltage Pin D Output Leakage Current Output Voltage (Amp Section) ICC VG IOH VOL D IOH D VOH 5 7 to 15 7 to 15 5 Pin 3 4 5 Test Conditions VIN+ = 0V, VIN- = 3V, GND = 0V VIN+ = 3V, VIN- = 0V, GND = 0V VIN+ = 0V, VIN- = 3V, OUT = 0V, GND = 0V VCC = 6V, VIN+ = VIN- = 0V, GND = -6V, Gain 20dB VIN+ = VIN- = 0V, GND = 0V, Gain 20dB Iref = 0 to 1mA Iref = 0 to 6mA VIN+ = 3V, VIN- = 0V Open Looped VOUT = 0V, VIN+ = 3V, VIN- = 0V D1 to D9: IOL = 20mA, VIN+ = 3V, VIN- = 0V D1 to D9: VIN+ = 0V, VIN- = 3V, VD1 to D9 = 12V VCC = 5.5V, VIN+ = 3V, VIN- = 0V, RL = 15k VIN+ = 3V, VIN- = 0V, RL = 15k Pin Connection Diagram VCC Vref (1) Input (+) Input (-) Output GND LED1 LED2 1 2 3 4 5 6 7 8 16 Vref (2) 15 LED9 14 LED8 13 LED7 12 LED6 11 LED5 Min -2 -2 -10 Typ - - - Max 0 0 0 Unit A A A
5 5 2 16 1
-180 0 2.6 4.2 - 30 - - - 4 9.5
- - - 4.7 10 - - - - - -
+180 +180 3.0 5.2 20 - -10 1.2 10 - -
mV mV V V mA dB A V A V V
10 LED4 9 LED3
16
9
.260 (6.6) Max
1
8
.785 (19.9) Max .200 (5.08) Max .245 (6.22) Min
.300 (7.62)
.100 (2.54) .700 (17.7)

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