LM3915N-1 National Semiconductor, LM3915N-1 Datasheet - Page 3

• Manufacturer Part Number: LM3915N-1
• Description: IC, DOT/BAR DISPLAY DRIVER, DIP-18
• Manufacturer: National Semiconductor

Specifications of LM3915N-1

• Led Driver Application: VU Meter, Power Meters
• No. Of Outputs: 10
• Output Current: 30mA
• Input Voltage: 3V To 25V
• Dimming Control Type: Analog
• Operating Temperature Range: 0°C To +70°C
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

COMPARATOR
Offset Voltage, Buffer and First
Comparator
Offset Voltage, Buffer and Any Other
Comparator
Gain (∆I
Input Bias Current (at Pin 5)
Input Signal Overvoltage
VOLTAGE-DIVIDER
Divider Resistance
Relative Accuracy (Input Change Between
Any Two Threshold Points)
Absolute Accuracy at Each Threshold
Point
VOLTAGE REFERENCE
Output Voltage
Line Regulation
Load Regulation
Output Voltage Change with
Temperature
Adjust Pin Current
OUTPUT DRIVERS
LED Current
LED Current Difference (Between
Largest and Smallest LED Currents)
LED Current Regulation
Dropout Voltage
Saturation Voltage
Output Leakage, Each Collector
Output Leakage
Absolute Maximum Ratings
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Electrical Characteristics
Power Dissipation (Note 6)
Supply Voltage
Voltage on Output Drivers
Pins 10–18
Pin 1
Molded DIP(N)
LED
/∆V
IN
Parameter
)
(Notes 2, 4)
0V ≤ V
I
0V ≤ V
I
I
0V ≤ V
No Change in Display
Total, Pin 6 to 4
(Note 3)
(Note 3)
V
V
V
V
0.1 mA ≤ I
V
3V ≤ V
0.1 mA ≤ I
V
0˚C ≤ T
V
V
V
V
2V ≤ V
I
I
∆I
I
(Bar Mode) (Note 5)
(Dot Mode) (Note 5)
LED
LED
L(REF)
LED
LED(ON)
LED
IN
IN
IN
IH
+
+
LED
LED
LED
(Note 1)
+
+
= V
= V
1365 mW
= −3, −6 dB
= −9 dB
= −12, −15, −18 dB
= −21, −24, −27 dB
= V
= V
= 1 mA
= 1 mA
= 20 mA
= 2.0 mA, I
= 5V, I
= 5V, I
= 2 mA
LED
LED
LED
RLO
RLO
= 2 mA, I
IN
+
LED
LED
A
= 20 mA,
≤ 18V
Conditions (Note 2)
≤ (V
25V
25V
≤ +70˚C, I
L(REF)
L(REF)
= 5V
= 5V
≤ 17V, I
= V
= V
= 5V
= 5V, I
LED
LED
+
RHI
RHI
− 1.5V)
L(REF)
LED
= 2 mA
20 mA
≤ 4 mA,
≤ 4 mA,
3
L(REF)
≤ 12V,
≤ 12V,
@
LED
L(REF)
= 10 mA
V
LED
= 0.4 mA
Input Signal Overvoltage (Note 4)
Divider Voltage
Reference Load Current
Storage Temperature Range
Lead Temperature
= 2 mA
= 1 mA
(Soldering, 10 sec.)
= 1 mA,
= 5V,
−0.5
−0.5
−0.5
−0.5
Min
−35
2.0
1.2
16
60
3
7
1.28
0.01
0.12
0.15
Typ
150
3.0
0.4
1.2
0.1
0.1
0.1
25
28
75
10
3
3
8
1
1
−55˚C to +150˚C
+0.65
Max
+0.5
+1.0
+1.5
1.34
0.03
0.25
100
120
450
4.0
0.4
1.5
0.4
10
15
35
36
13
10
10
−100 mV to V
2
3
3
www.national.com
10 mA
260˚C
mA/mV
±
Units
%/V
35V
mV
mV
mA
mA
mA
kΩ
nA
dB
dB
dB
dB
dB
µA
µA
µA
µA
%
%
V
V
V
V
+