參數(shù)資料
型號(hào)： NCV2903
廠商： ON SEMICONDUCTOR
英文描述： Low Offset Voltage Dual Comparators(低失調(diào)電壓，2比較器)
中文描述： 低失調(diào)電壓（低失調(diào)電壓，雙路比較器2比較器）
文件頁數(shù)： 3/10頁
文件大小： 107K
代理商： NCV2903
LM393, LM293, LM2903, LM2903V, NCV2903
http://onsemi.com
3
ELECTRICAL CHARACTERISTICS
(V
CC
= 5.0 Vdc, T
low
≤
T
A
≤
T
high
, unless otherwise noted.)
Characteristic
Symbol
LM293, LM393
LM2903, LM2903V,
NCV2903
Unit
Min
Typ
Max
Min
Typ
Max
Input Offset Voltage (Note 5)
T
A
= 25
°
C
T
low
≤
T
A
≤
T
high
Input Offset Current
T
A
= 25
°
C
T
low
≤
T
A
≤
T
high
Input Bias Current (Note 6)
T
A
= 25
°
C
T
low
≤
T
A
≤
T
high
Input Common Mode Voltage Range (Note 6)
T
A
= 25
°
C
T
low
≤
T
A
≤
T
high
Voltage Gain
R
L
≥
15 k , V
CC
= 15 Vdc, T
A
= 25
°
C
Large Signal Response Time
V
in
= TTL Logic Swing, V
ref
= 1.4 Vdc
V
RL
= 5.0 Vdc, R
L
= 5.1 k , T
A
= 25
°
C
Response Time (Note 8)
V
RL
= 5.0 Vdc, R
L
= 5.1 k , T
A
= 25
°
C
Input Differential Voltage (Note 9)
All V
in
≥
GND or V Supply (if used)
Output Sink Current
V
in
≥
1.0 Vdc, V
in+
= 0 Vdc, V
O
≤
1.5 Vdc T
A
= 25
°
C
Output Saturation Voltage
V
in
≥
1.0 Vdc, V
in+
= 0, I
Sink
≤
4.0 mA, T
A
= 25
°
C
T
low
≤
T
A
≤
T
high
Output Leakage Current
V
in
= 0 V, V
in+
≥
1.0 Vdc, V
O
= 5.0 Vdc, T
A
= 25
°
C
V
in
= 0 V, V
in+
≥
1.0 Vdc, V
O
= 30 Vdc,
T
low
≤
T
A
≤
T
high
V
IO
mV
±
1.0
±
5.0
9.0
±
2.0
9.0
±
7.0
15
I
IO
nA
±
5.0
±
50
±
150
±
5.0
±
50
±
50
±
200
I
IB
nA
25
250
400
25
200
250
500
V
ICR
V
0
0
V
CC
1.5
V
CC
2.0
0
0
V
CC
1.5
V
CC
2.0
A
VOL
50
200
25
200
V/mV
300
300
ns
t
TLH
1.3
1.5
s
V
ID
V
CC
V
CC
V
I
Sink
6.0
16
6.0
16
mA
V
OL
mV
150
400
700
400
700
200
I
OL
nA
0.1
0.1
1000
1000
Supply Current
R
L
=
∞
Both Comparators, T
A
= 25
°
C
R
L
=
∞
Both Comparators, V
CC
= 30 V
LM293 T
low
= 25
°
C, T
high
= +85
°
C
LM393 T
low
= 0
°
C, T
high
= +70
°
C
LM2903 T
low
= 40
°
C, T
high
= +105
°
C
LM2903V & NCV2903 T
low
= 40
°
C, T
high
= +125
°
C
NCV2903 is qualified for automotive use.
4. The maximum output current may be as high as 20 mA, independent of the magnitude of V
CC
, output short circuits to V
CC
can cause
excessive heating and eventual destruction.
5. At output switch point, V
O
1.4 Vdc, R
S
= 0 with V
CC
from 5.0 Vdc to 30 Vdc, and over the full input common mode range (0 V to
V
CC
= 1.5 V).
6. Due to the PNP transistor inputs, bias current will flow out of the inputs. This current is essentially constant, independent of the output state,
therefore, no loading changes will exist on the input lines.
7. Input common mode of either input should not be permitted to go more than 0.3 V negative of ground or minus supply. The upper limit of
common mode range is V
CC
1.5 V.
8. Response time is specified with a 100 mV step and 5.0 mV of overdrive. With larger magnitudes of overdrive faster response times are
obtainable.
9. The comparator will exhibit proper output state if one of the inputs becomes greater than V
CC
, the other input must remain within the common
mode range. The low input state must not be less than 0.3 V of ground or minus supply.
I
CC
mA
0.4
1.0
2.5
0.4
1.0
2.5
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NCV2903DR2G 功能描述:校驗(yàn)器 IC 2-36V Dual Extended Temp RoHS:否 制造商:STMicroelectronics 產(chǎn)品: 比較器類型: 通道數(shù)量: 輸出類型:Push-Pull 電源電壓-最大:5.5 V 電源電壓-最小:1.1 V 補(bǔ)償電壓（最大值）:6 mV 電源電流（最大值）:1350 nA 響應(yīng)時(shí)間: 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SC-70-5 封裝:Reel
NCV2903DR2G/H 制造商:ON Semiconductor 功能描述:
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