LM3914N-1 National Semiconductor, LM3914N-1 Datasheet - Page 3

• Manufacturer Part Number: LM3914N-1
• Description: IC, DOT/BAR DISPLAY DRIVER, DIP-18
• Manufacturer: National Semiconductor

Specifications of LM3914N-1

• Led Driver Application: Bar-Graph Meter, Expanded Scale Meter
• No. Of Outputs: 10
• Output Current: 30mA
• Output Voltage: 1.34V
• Input Voltage: 3V To 15V
• Dimming Control Type: Analog
• 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
Accuracy
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
SUPPLY CURRENT
Standby Supply Current
(All Outputs Off)
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
Input Signal Overvoltage (Note 4)
Divider Voltage
Reference Load Current
Molded DIP (N)
LED
/∆V
IN
Parameter
)
(Notes 2, 4)
−100 mV to V
0V ≤ V
I
0V ≤ V
I
I
0V ≤ V
No Change in Display
Total, Pin 6 to 4
(Note 3)
0.1 mA ≤ I
V
3V ≤ V
0.1 mA ≤ I
V
0˚C ≤ T
V
V
V
2V ≤ V
I
∆I
I
(Bar Mode) (Note 5)
(Dot Mode) (Note 5)
V
I
V
I
LED
LED
L(REF)
LED(ON)
LED
L(REF)
L(REF)
+
+
+
+
LED
+
+
LED
(Note 1)
= V
= V
= 5V
= V
= 5V,
= 20V,
1365 mW
= 1 mA
= 1 mA
= 2.0 mA, I
= 5V
= 2 mA
LED
LED
LED
RLO
RLO
IN
+
LED
= 2 mA, I
= 0.2 mA
= 1.0 mA
10 mA
A
±
= 20 mA, V
≤ 18V
≤ V
≤ +70˚C, I
Conditions (Note 2)
25V
25V
35V
L(REF)
L(REF)
= 5V
= 5V
= 5V, I
≤ 17V
= V
= V
+
+
− 1.5V
RHI
RHI
L(REF)
LED
≤ 4 mA,
≤ 4 mA,
L(REF)
3
≤ 12V,
≤ 12V,
L(REF)
LED
= 10 mA
= 0.4 mA
I
I
I
I
Pins 10–18
Pin 1
Storage Temperature Range
Soldering Information
See AN-450 “Surface Mounting Methods and Their Effect
on Product Reliability” for other methods of soldering
surface mount devices.
LED
LED
LED
LED
= 1 mA
= 5V,
Dual-In-Line Package
Plastic Chip Carrier Package
= 1 mA,
Soldering (10 seconds)
Vapor Phase (60 seconds)
Infrared (15 seconds)
= 2 mA
= 20 mA
= 2 mA
= 20 mA
Min
−35
1.2
60
3
8
7
1.28
0.01
0.12
0.15
Typ
150
0.5
0.4
1.2
0.1
0.1
0.1
2.4
6.1
25
12
75
10
3
3
8
1
1
−55˚C to +150˚C
Max
1.34
0.03
0.25
100
120
450
0.4
1.5
0.4
4.2
9.2
10
15
35
17
13
10
10
2
2
3
3
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260˚C
215˚C
220˚C
mA/mV
Units
%/V
mV
mV
mA
mA
mA
mA
mA
nA
kΩ
µA
µA
µA
µA
%
%
%
V
V
V
V