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PDF LM2903 Data sheet ( Hoja de datos )
| Número de pieza | LM2903 | |
| Descripción | Low power dual voltage comparator | |
| Fabricantes | NXP Semiconductors | |
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INTEGRATED CIRCUITS
LM193A/293/A/393/A/2903
Low power dual voltage comparator
Product data
Supersedes data of 2002 Jan 22
2002 Jul 12
Philips
Semiconductors
1 page  
Philips Semiconductors
Low power dual voltage comparator
Product data
LM193A/293/A/393/A/2903
DC ELECTRICAL CHARACTERISTICS (Continued)
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.
SYMBOL
PARAMETER
TEST CONDITIONS
LM293/393
Min Typ Max
UNIT
VOS
VCM
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
VIDR
Differential input voltage1
Keep all VIN ≥ 0 VDC
(or V– if needed)
V+ V
IBIAS
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
±150
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
6.0
16 mA
0.1 nA
1.0 µA
0.8 1 mA
2.5 mA
AV Voltage gain
VOL Saturation voltage
RL ≥ 15 kΩ; V+ = 15 VDC
VIN(–) ≥ 1 VDC; VIN(+) = 0; ISINK ≤ 4 mA
Tamb = 25 °C
Over temp.
50
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 kΩ; Tamb = 25 °C
300 ns
tR Response time5
VRL = 5 VDC; RL = 5.1 kΩ
Tamb = 25 °C
1.3 µs
NOTES:
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 Ω 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
5 Page 
Philips Semiconductors
Low power dual voltage comparator
NOTES
Product data
LM193A/293/A/393/A/2903
2002 Jul 12
11
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet LM2903.PDF ] | |
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