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参数资料
| 型号： | NTE1508 |
| 厂商： | NTE Electronics, Inc. |
| 英文描述： | Integrated Circuit 10-Step Dot/Bar Display Driver for Linear Scale |
| 中文描述： | 集成电路10步点/酒吧线性表显示驱动 |
| 文件页数： | 2/3页 |
| 文件大小： | 28K |
| 代理商： | NTE1508 |
Absolute Maximum Ratings:
Power Dissipation (Note 1)
Supply Voltage
Voltage on Output Drivers
Input Signal Overvoltage (Note 2)
Divider Voltage
Reference Load Current
Storage Temperature Range
Lead Temperature (During soldering, 10sec)
Note 1. The maximum junction temperature of the NTE1508 is +100
°
C. Device must be derated for
operation at elevated temperatures. Junction to ambient thermal resistance is 55
°
C/W.
Note 2. Pin5 input current must be limited to
±
3mA. The addition of a 39k
resistor in series with
Pin5 allows
±
100V signals without damage.
1365mW
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25V
25V
±
35V
–
100mV to V+
10mA
–
55
°
to +150
°
C
+260
°
C
Electrical Characteristics:
(Note 2, unless otherwise specified, all specifications apply with the
following conditions:
3V
DC
≤
V+
≤
20V
DC
V
REF
, V
RHI
, V
RLO
≤
(V+
–
1.5V)
3V
DC
≤
V
LED
≤
V+
0V
≤
V
IN
≤
V+
–
1.5V
–
0.015V
≤
V
RLO
≤
12V
DC
T
A
+25
°
C, I
L(REF)
= 0.2mA,
–
0.015V
≤
V
RHI
≤
12V
DC
V
LED
= 3V, Pin9 connected to Pin3
(Bar Mode)
Test Conditions
Parameter
Min
Typ
Max
Unit
Comparator
Offset Voltage, Buffer, and First Comparator
0V
≤
V
RLO
= V
RHI
≤
12V, I
LED
= 1mA
0V
≤
V
RLO
= V
RHI
≤
12V, I
LED
= 1mA
–
3
10
mV
Offset Voltage, Buffer, and Any Other
Comparator
–
3
15
mV
Gain (
I
LED
/
V
IN
)
Input Bias Current (At Pin5)
I
L(REF)
= 2mA, I
LED
= 10mA
0V
≤
V
IN
≤
V+ =1.5V
No Change is Display
3
8
–
mA/mV
–
25
100
nA
Input Signal Overdrive
–
35
–
+35
V
Voltage Divider
Divider Resistance
Total, Pin6 to Pin4
8
12
17
k
%
Accuracy
Note 3
–
0.5
2.0
Voltage Reference
Output Voltage
0.1mA
≤
I
L(REF)
≤
4mA, V+ = V
LED
= 5V
3V
≤
V+
≤
18V
0.1mA
≤
I
L(REF)
≤
4mA, V+ = V
LED
= 5V
0
°
≤
T
A
≤
+70
°
C, I
L(REF)
= 1mA, V+ = 5V
1.2
1.28
1.34
V
Line Regulation
–
0.01
0.03
%/V
Load Regulation
–
0.4
2.0
%
Output Voltage Change with Temperature
–
1
–
%
μ
A
Adjust Pin Current
–
75
120
Output Drivers
LED Current
V+ = V
LED
= 5V, I
L(REF)
= 1mA
V
LED
= 5V
7
10
13
mA
LED Current Difference (Between Largest and
Smallest LED Currents)
I
LED
= 2mA
I
LED
= 20mA
I
LED
= 2mA
I
LED
= 20mA
–
0.12
0.4
mA
–
1.2
3.0
mA
LED Current Regulation
2V
≤
V
LED
≤
17V
–
0.1
0.25
mA
–
1
3
mA
Note 3. Accuracy is measured referred to +10.000V
DC
at Pin6, with 0.000V
DC
at Pin4. At lower full
–
scale voltages, buffer and comparator offset voltage may add significant error.
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