PDF LM393 Data sheet ( Hoja de datos )

Número de pieza LM393
Descripción Low power dual voltage comparator
Fabricantes NXP Semiconductors 
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1. Power Dual Comparators - Motorola

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Low power dual voltage comparator
Product data
Supersedes data of 2002 Jan 22
2002 Jul 12

1 page

LM393 pdf
Philips Semiconductors
Low power dual voltage comparator
Product data
V+ = 5 VDC, LM193A: –55 °C Tamb +125 °C, unless otherwise specified. LM293/293A: –25°C Tamb +85 °C, unless otherwise specified.
LM393/393A: 0 °C Tamb +70 °C, unless otherwise specified. LM2903: –40 °C Tamb +125 °C, unless otherwise specified.
Min Typ Max
Input offset voltage2
Input common-mode voltage range3, 6
Tamb = 25 °C
Over temp.
Tamb = 25 °C
Over temp.
±2.0 ±5.0 mV
±9.0 mV
0 V+–1.5 V
0 V+–2.0 V
Differential input voltage1
Keep all VIN 0 VDC
(or V– if needed)
V+ V
Input bias current4
IIN(+) or IIN(–) with output in linear range
Tamb = 25 °C
Over temp.
25 250 nA
400 nA
IOS Input offset current
IIN(+) – IIN(–)
Tamb = 25 °C
Over temp.
±5.0 ±50 nA
IOL Output sink current
Output leakage current
ICC Supply current
VIN(–) 1 VDC; VIN(+) = 0; VO 1.5 VDC
Tamb = 25 °C
VIN(+) 1 VDC; VIN(–) = 0,
VO = 5 VDC; Tamb = 25 °C
VO = 30 VDC; over temp.
RL = on both comparators,
Tamb = 25 °C
RL = on both comparators;
V+ = 30 V
16 mA
0.1 nA
1.0 µA
0.8 1 mA
2.5 mA
AV Voltage gain
VOL Saturation voltage
RL 15 k; V+ = 15 VDC
VIN(–) 1 VDC; VIN(+) = 0; ISINK 4 mA
Tamb = 25 °C
Over temp.
200 V/mV
250 400 mV
700 mV
tLSR Large signal response time
VIN = TTL logic swing,
VREF = 1.4 VDC; VRL = 5 VDC;
RL = 5.1 k; Tamb = 25 °C
300 ns
tR Response time5
VRL = 5 VDC; RL = 5.1 k
Tamb = 25 °C
1.3 µs
1. Positive excursions of input voltage may exceed the power supply level by 17 V. 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 –0.3 VDC (VDC
below the magnitude of the negative power supply, if used).
2. At output switch point, VO 1.4 VDC, RS = 0 with V+ from 5 VDC to 30 VDC and over the full input common-mode range (0 VDC to
V+ –1.5 VDC).
3. The input common-mode voltage or either input signal voltage should not be allowed to go negative by more than 0.3 V. The upper end of
the common-mode voltage range is V+ –1.5 V, but either or both inputs can go to 30 VDC 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 100 mV input step with a 5 mV overdrive.
6. For input signals that exceed VCC, only the over-driven comparator is affected. With a 5 V supply, VIN should be limited to 25 V maximum,
and a limiting resistor should be used on all inputs that might exceed the positive supply.
2002 Jul 12

5 Page

LM393 arduino
Philips Semiconductors
Low power dual voltage comparator
Product data
2002 Jul 12

11 Page

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