Datasheet > LM193AD/LM193ADT

LM193AD/LM193ADT

更新时间： 2022-04-23 23:00:11

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		比较器
页数	文件大小	规格书
15页	265K
描述
Low Power Dual Voltage Comparators

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数据手册

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LM193AD/LM193ADT 数据手册

LM193, LM193A, LM293, LM293A, LM393, LM393A

Electrical Characteristics

Table 3.

= +5V, V = 0V, T

= +25°C (unless otherwise specified)

amb

LM193A - LM293A

LM393A

LM193- LM293

LM393

Symbol

Parameter

Unit

Min. Typ.

Max.

Min Typ.

Max.

(1)

Input Offset Voltage - note

= +25°C

amb

≤ T

min

amb

max

Input Offset Current

= +25°C

100

150

amb

≤ T

min

amb

max

(2)

Input Bias Current (I or I ) - note

= +25°C

100

300

250

400

V/mV

amb

≤ T

min

amb max

Large Signal Voltage Gain

= 15V, R = 15kΩ, V = 1V to 11V

200

Supply Current (all comparators)

= +5V, no load

= +30V, no load

0.4

2.5

0.4

2.5

(3)

Input Common Mode Voltage Range - note

= 30V

= +25°C

icm

-1.5

-2

-1.5

-2

amb

≤ T

min

amb

max

(4)

Differential Input Voltage -note

Low Level Output Voltage

= -1V, I

= +25°C

= 4mA

sink

250

0.1

400

700

250

0.1

400

700

amb

≤ T

min

amb max

High Level Output Current (V = 1V)

= V = 30V

= +25°C

amb

≤ T

µA

min

amb

max

Output Sink Current

V = 1V, V = 1.5V

SINK

(5)

Response Time - note

R = 5.1kΩ connected to V

tre

µs

1.3

Large Signal Response Time

trel

R = 5.1kΩ connected to V

(ref)

, e = TTL,

= +1.4v

300

1. At output switch point, V_o≈ 1.4V, R_s= 0 with V_CC⁺from 5V to 30V, and over the full common-mode range (0V to V_CC

1.5V).

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.

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

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

obtained.

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).

5/15

1 2 3 456 7 8...15

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