LM293W datasheet(3/10 Pages) STMICROELECTRONICS

Teilenummer	LM293W

Bauteilbeschribung	LOW POWER DUAL VOLTAGE COMPARATORS

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Hersteller	STMICROELECTRONICS [STMicroelectronics]

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LM193W - LM293W - LM393W

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ELECTRICAL CHARACTERISTICS

VCC

+ = +5V, VCC

-= 0V, T

amb = +25°C (unless otherwise specified)

Symbol

Parameter

Min

Typ.

Max.

Unit

Vio

Input Offset Voltage - note 1)

Tamb = +25°C

Tmin ≤ Tamb ≤ Tmax

1.

At output switch point, Vo ≈ 1.4V, Rs = 0 with VCC

+ from 5V to 30V, and over the full common-mode range (0V to V

CC

+ -1.5V).

15

9

mV

Iib

Input Bias Current - note 2)

Tamb = +25°C

Tmin ≤ Tamb ≤ Tmax

2.

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 charge exists on the reference of input lines.

25

250

400

nA

Iio

Input Offset Current

Tamb = +25°C

Tmin ≤ Tamb ≤ Tmax

550

150

nA

Avd

Large Signal Voltage Gain

VCC = 15V, RL = 15kΩ, Vo = 1V to 11V

50

200

V/mV

ICC

Supply Current (all comparators)

VCC = 5V, no load

VCC = 30V, no load

0.4

1

2.5

mA

Vicm

Input Common Mode Voltage Range - note 3)

Tamb = +25°C

Tmin ≤ Tamb ≤ Tmax

3.

The input common-mode voltage of 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 VCC

+ -1.5V, but either or both inputs can go to +30V without damage

0

VCC

+ -1.5

VCC

+ -2

V

Vid

Differential Input Voltage -note 4)

4.

Positive excursions of input voltage may exceed the power supply level. 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 -0.3V (or 0.3V bellow the negative power supply, if

used).

VCC

+

V

Isink

Output Sink Currrent

Vid= 1V, Vo = 1.5V

616

mA

VOL

Low Level Output Voltage

Vid = -1V, Isink = 4mA

Tamb = +25°C

Tmin ≤ Tamb ≤ Tmax

250

400

700

mV

IOH

High Level Output Current (Vid = 1V)

Vid = 1V, VCC = Vo = 30V

Tamb = +25°C

Tmin ≤ Tamb ≤ Tmax

0.1

1

nA

µA

tre

Response Time - note 5)

RL= 5.1kΩ to VCC

+

5.

The response time specified is for a 100mV input step with 5mV overdrive. For larger overdrive signals 300ns can be obtained

1.3

µs

trel

Large Signal Response Time

Vi = TTL, V(ref) = +1.4V, RL= 5.1kΩ to VCC

+

300

ns

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