MAX249EQH-TD

更新时间： 2024-10-28 13:10:27

品牌	Logo	应用领域
美信 - MAXIM		驱动器
页数	文件大小	规格书
38页	377K
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中文翻译

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数据手册

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MAX249EQH-TD 数据手册

+5V-Powered, Multichannel RS-232

Drivers/Receivers

0–MAX249

__________________________________________Typical Operating Characteristics

MAX223/MAX230–MAX241

TRANSMITTER OUTPUT VOLTAGE (V

vs. LOAD CAPACITANCE AT

DIFFERENT DATA RATES

)

TRANSMITTER SLEW RATE

vs. LOAD CAPACITANCE

TRANSMITTER OUTPUT

VOLTAGE (V ) vs. V

12.0

11.0

10.0

9.0

7.4

7.2

7.0

6.8

6.6

6.4

6.2

6.0

8.5

8.0

7.5

7.0

6.5

1 TRANSMITTER LOADED

= +25°C

2 TRANSMITTERS

LOADED

= +5V

LOADED, R = 3kΩ

C1–C4 = 1μF

2 TRANSMITTERS

LOADED

1 TRANSMITTER

LOADED

160kb/s

80kb/s

20kb/s

8.0

3 TRANS-

MITTERS

LOADED

7.0

= +25°C

3 TRANSMITTERS

LOADED

6.0

= +5V

C1–C4 = 1μF

TRANSMITTER

LOADS =

3 TRANSMITTERS LOADED

4 TRANSMITTERS

LOADED

5.0

4.0

R = 3kΩ

4 TRANSMITTERS

LOADED

C1–C4 = 1μF

3kΩ || 2500pF

500

1000

1500

2000

2500

500

1000

1500

2000

2500

4.5

5.0

5.5

LOAD CAPACITANCE (pF)

(V)

TRANSMITTER OUTPUT VOLTAGE (V

vs. LOAD CAPACITANCE AT

DIFFERENT DATA RATES

)

TRANSMITTER OUTPUT

VOLTAGE (V ) vs. V

TRANSMITTER OUTPUT VOLTAGE (V+, V-)

vs. LOAD CURRENT

-6.0

-6.5

-6.0

-6.2

-6.4

-6.6

-6.8

-7.0

-7.2

-7.4

-7.6

4 TRANS-

MITTERS

LOADED

= +25°C

C1–C4 = 1μF

TRANSMITTER

LOADS =

= +5V

3 TRANSMITTERS LOADED

= +25°C

R = 3kΩ

= +5V

3kΩ || 2500pF

-7.0

-7.5

-8.0

-8.5

-9.0

C1–C4 = 1μF

V- LOADED,

NO LOAD

ON V+

V+ AND V-

EQUALLY

LOADED

V+ LOADED,

NO LOAD

ON V-

160kb/s

80kb/s

20kb/s

1 TRANS-

MITTER

-2

-4

-6

LOADED

3 TRANS-

MITTERS

LOADED

2 TRANS-

MITTERS

LOADED

-8

ALL TRANSMITTERS UNLOADED

-10

4.5

5.0

5.5

500

1000

1500

2000

2500

10 15 20 25 30 35 40 45 50

CURRENT (mA)

(V)

LOAD CAPACITANCE (pF)

V+, V- WHEN EXITING SHUTDOWN

(1μF CAPACITORS)

MAX220-13

V+

V-

SHDN

500ms/div

*SHUTDOWN POLARITY IS REVERSED

FOR NON MAX241 PARTS

_______________________________________________________________________________________

1...4 5 678 9 10...38

中文翻译

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