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LM293A 数据表(PDF) 4 Page - NXP Semiconductors

部件名 LM293A
功能描述  Low power dual voltage comparator
Download  6 Pages
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制造商  PHILIPS [NXP Semiconductors]
网页  http://www.nxp.com
标志 PHILIPS - NXP Semiconductors

LM293A 数据表(HTML) 4 Page - NXP Semiconductors

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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
mV
VCM
Input common-mode
voltage range3, 6
TA=25°C
Over temp.
0
0
V
±-1.5
V
±-2.0
0
0
V+-1.5
V+-2.0
V
V
VIDR
Differential input
voltage1
Keep all VINs ≥0VDC
(or V-if need)
V+
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
nA
IOS
Input offset current
IIN(+)-IIN(-)
TA=25°C
Over temp.
±3.0
±25
±100
±5.0
±50
±150
nA
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
µA
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
2.5
mA
AV
Voltage gain
RL≥15kΩ, 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
mV
tLSR
Large signal
response time
VIN=TTL logic swing,
VREF=1.4VDC, VRL=5VDC
RL=5.1kΩ,
TA=25°C
300
300
ns
tR
Response time5
VRL=5VDC,
RL=5.1kΩ
TA=25°C
1.3
1.3
µs
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=0Ω 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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