Datasheet > LM393CD

LM393CD

更新时间： 2024-11-18 04:44:19

品牌	Logo	应用领域
戈采 - FCI		比较器
页数	文件大小	规格书
4页	72K
描述
Dual Differential Comparator

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LM393CD 数据手册

LM393 Dual Differential Comparator

DUAL DIFFERENTIAL COMPARATORS

Dual supplies can also be used as long as the

difference between them is 2 to 36 volts. The

LM393 is designed to operate at a temperature

range of 0^oC to 70^oC.

The LM393 dual differential comparator is

made up of two voltage comparators that

operate using the same power supply. THe

supply voltage can range from 2 to 36 volts.

PIN ARRANGEMENT

FEATURES

8 DIP LM393CD

8 SOP LM393CS

Single or dual supplies

2 to 36 V Supply

Low Input Bias Current

Low Input Offset Voltage

Low Input Offset Current

Low Supply Current Drain

Output Compatible with TTL, MOS,

and CMOS

ABSOLUTE MAXIMUM RATINGS

Item

Symbol

Rating

+36 or +18

Unit

Power Supply Voltage

V_CC

V_IDR

V_ICR

Input Differential Voltage Range

Input Common Mode Voltage Range

-0.3 to +36

Output Short Circuit-to-Ground

Output Sink Current (1)

I_SC

I_Sink

Continuous

Power Dissipation @ 25^oC

Derate above 25^oC

P_D

1/R_θJA

570

5.7

mW/^oC

Operating Ambient Temperature Range

Operating Junction Temperature

Storage Temperature Range

T_A

0 to 70

125

^oC

T_J

T_S

-65 to 150

Notes: 1. The max. output current may be as high as 20 mA, independent of the magnitude of V_CC, output short circuits to

V_CCcan cause excessive heating and eventual destruction.

2. At output switch point, V _O= 1.4 Vdc, R_S= 0 Ω with V_CCfrom 5.0 Vdc to 30 Vdc, and over the full input

common mode range (0V to V_CC= –1.5V).

3. Due to the PNP transistor inputs, bias current will flow out of the inputs. This current is essentially constant,

independent of the output state, therefore, no loading changes will exist on the input lines.

4. Input common mode of either input should not be permitted to go more than 0.3V negative of ground or minus

supply. The upper limit of common mode range is V_CC–1.5V.

5. Response time is specified with a 100mV step and 5.0mV of overdrive. With larger magnitudes of overdrive faster

response times are obtainable.

6. The comparator will exhibit proper output state if one of the inputs becomes greater than V_CC, the other input

must remain within the common mode range. The low input state must not be less than –0.3V of ground or minus

supply.

5-16

12 3 4

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