LM293D datasheet(5/7 Pages) STMICROELECTRONICS

No de pièce	LM293D

Description	Low Power Dual Voltage Comparators

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Fabricant	STMICROELECTRONICS [STMicroelectronics]

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LM193, LM193A, LM293, LM293A, LM393, LM393A

Electrical Characteristics

5/15

4

Electrical Characteristics

Table 3.

VCC

+ = +5V, V

CC

-= 0V, T

amb = +25°C (unless otherwise specified)

Symbol

Parameter

LM193A - LM293A

LM393A

LM193- LM293

LM393

Unit

Min.

Typ.

Max.

Min

Typ.

Max.

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).

12

4

15

9

mV

Iio

Input Offset Current

Tamb = +25°C

Tmin ≤ Tamb ≤ Tmax

325

100

550

150

nA

Iib

Input Bias Current (I+ or I-) - 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

100

300

25

250

400

nA

Avd

Large Signal Voltage Gain

VCC = 15V, RL = 15kΩ, Vo = 1V to 11V

50

200

50

200

V/mV

ICC

Supply Current (all comparators)

VCC = +5V, no load

VCC = +30V, no load

0.4

1

2.5

0.4

1

2.5

mA

Vicm

Input Common Mode Voltage Range - note (3)

VCC = 30V

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

0

VCC

+ -1.5

VCC

+ -2

V

Vid

Differential Input Voltage -note (4)

4.

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

obtained.

VCC

+

VCC

+

VOL

Low Level Output Voltage

Vid = -1V, Isink = 4mA

Tamb = +25°C

Tmin ≤ Tamb ≤ Tmax

250

400

700

250

400

700

mV

IOH

High Level Output Current (Vid = 1V)

VCC = Vo = 30V

Tamb = +25°C

Tmin ≤ Tamb ≤ Tmax

0.1

1

0.1

1

nA

µA

ISINK

Output Sink Current

Vid= 1V, Vo = 1.5V

6

16

6

16

mA

tre

Response Time - note (5)

RL= 5.1kΩ connected to VCC

+

5.

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).

1.3

µs

trel

Large Signal Response Time

RL= 5.1kΩ connected to VCC

+, e

l = TTL,

V(ref) = +1.4v

300

ns

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