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参数资料
| 型号： | LM393FE |
| 厂商： | NXP SEMICONDUCTORS |
| 元件分类： | 比较器 |
| 英文描述： | Low power dual voltage comparator |
| 中文描述： | DUAL COMPARATOR, 9000 uV OFFSET-MAX, 1300 ns RESPONSE TIME, CDIP8 |
| 封装： | CERDIP-8 |
| 文件页数： | 4/4页 |
| 文件大小： | 121K |
| 代理商： | LM393FE |
Philips Semiconductors
Product specification
LM193/A/293/A/393/A/2903
Low power dual voltage comparator
1995 Nov 27
4
DC ELECTRICAL CHARACTERISTICS (Continued)
V+=5VDC, LM193/193A: -55
°C TA ≤ +125°C, unless otherwise specified. LM293/293A: -25°C TA ≤ +85°C, unless otherwise specified.
LM393/393A: 0
°C TA ≤ +70°C, unless otherwise specified. LM2903: -40°C TA ≤ +125°C, unless otherwise specified.
SYMBOL
PARAMETER
TEST CONDITIONS
LM193
LM293/393
UNIT
SYMBOL
PARAMETER
TEST CONDITIONS
Min
Typ
Max
Min
Typ
Max
UNIT
VOS
Input offset voltage2
TA=25°C
Over temp.
±2.0
±5.0
±9.0
±2.0
±5.0
±9.0
mV
VCM
Input common-mode
voltage range3, 6
TA=25°C
Over temp.
0
V
±-1.5
V
±-2.0
0
V+-1.5
V+-2.0
V
VIDR
Differential input
voltage1
Keep all VINs ≥0VDC
(or V-if need)
V+
V
IBIAS
Input bias current4
IIN(+) or IIN(-) with output
in linear range
TA=25°C
Over temp.
25
100
300
25
250
400
nA
IOS
Input offset current
IIN(+)-IIN(-)
TA=25°C
Over temp.
±3.0
±25
±100
±5.0
±50
±150
nA
IOL
Output sink current
VIN(-)≥1VDC, VIN(+)=0,
V0≤1.5VDC
TA=25°C
6.0
16
6.0
16
mA
Output leakage current
VIN(+)≥1VDC, VIN(-)=0,
V0=5VDC
TA=25°C
V0=30VDC over temp.
0.1
1.0
0.1
1.0
nA
A
ICC
Supply current
RL=∞ on both comparators,
TA=25°C
0.8
1
0.8
1
mA
RL=∞ on both comparators,
V+=30V
2.5
mA
AV
Voltage gain
RL≥15k, V+=15VDC
50
200
50
200
V/mV
VOL
Saturation voltage
VIN(-)≥1VDC, VIN(+)=0,
ISINK≤4mA
TA=25°C
Over temp.
250
400
700
250
400
700
mV
tLSR
Large signal
response time
VIN=TTL logic swing,
VREF=1.4VDC, VRL=5VDC
RL=5.1k,
TA=25°C
300
ns
tR
Response time5
VRL=5VDC,
RL=5.1k
TA=25°C
1.3
s
NOTES:
1. Positive excursions of input voltage may exceed the power supply level by 17V. As long as the other voltage remains within the
common-mode range, the comparator will provide a proper output state. The low input voltage state must not be less than -0.3VDC (VDC
below the magnitude of the negative power supply, if used).
2. At output switch point, VO ≈ 1.4VDC, RS=0 with V+ from 5VDC to 30VDC and over the full input common-mode range (0VDC to V+-1.5VDC).
3. The input common-mode voltage or either input signal voltage should not be allowed to go negative by more than 0.3V. The upper end of the
common-mode voltage range is V+-1.5V, but either or both inputs can go to 30VDC without damage.
4. The direction of the input current is out of the IC due to the PNP input stage. This current is essentially constant, independent of the state of
the output so no loading change exists on the reference or input lines.
5. The response time specified is for a 100mV input step with a 5mV overdrive.
6. For input signals that exceed VCC, only the over-driven comparator is affected. With a 5V supply, VIN should be limited to 25V maximum,
and a limiting resistor should be used on all inputs that might exceed the positive supply.
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