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ST75C176CDR PDF预览

ST75C176CDR

更新时间： 2024-01-30 08:43:50
品牌 Logo 应用领域
意法半导体 - STMICROELECTRONICS /
页数 文件大小 规格书
13页 303K
描述
LOW POWER RS-485/RS-422 TRANSCEIVER

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ST75C176CDR 数据手册

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ST75C176  
DC ELECTRICAL CHARACTERISTICS  
(V = 5V ± 5%, T = T  
to T  
, unless otherwise specified. Typical values are referred to T = 25°C)  
MAX A  
CC  
A
MIN  
(See Note 1)  
Symbol  
Parameter  
Test Conditions  
Min.  
Typ.  
Max.  
Unit  
V
Differential Driver Output  
(No Load)  
5
V
OD1  
V
Differential Driver Output  
(With Load)  
R = 27Ω (RS-485) (See Fig. 1)  
1.5  
5
5
V
V
OD2  
L
R = 50Ω (RS-422) (See Fig. 1)  
L
∆V  
Change in Magnitude of  
Driver Differential Output  
R = 27Ω or 50Ω (See Fig. 1)  
0.2  
V
OD  
L
Voltage for Complementary  
Output States  
V
Driver Common-Mode  
Output Voltage  
R = 27Ω or 50Ω (See Fig. 1)  
3
V
V
OC  
L
∆V  
Change in Magnitude of  
Driver Common-Mode  
Output Voltage for  
Complementary Output  
States  
R = 27Ω or 50Ω (See Fig. 1)  
0.2  
OC  
L
V
Input High Voltage  
Input Low Voltage  
Input Current  
RE, DE, DI  
RE, DE, DI  
RE, DE, DI  
2.0  
V
V
IH  
V
0.8  
IL  
I
I
± 2  
µA  
IN1  
IN2  
Input Current (A, B)  
V
V
V
= 0V or 5.25V  
= 12V  
= -7V  
V
= 0V  
DE  
CM  
1
-0.8  
mA  
mA  
IN  
IN  
V
Receiver Differential  
Threshold Voltage  
V
= -7 to 12V  
-0.2  
3.5  
0.2  
V
TH  
CM  
∆V  
Receiver Input Hysteresis  
V
= 0V  
70  
mV  
V
TH  
CM  
V
Receiver Output High  
Voltage  
I
I
= -4mA  
V
V
= 200mV  
OH  
O
ID  
ID  
V
Receiver Output Low  
Voltage  
= 4mA  
= -200mV  
0.4  
V
OL  
O
I
3-State (High Impedance)  
Output Current at Receiver  
V
V
= 0.4 to 2.4V  
± 1  
µA  
KΩ  
OZR  
O
R
Receiver Input Resistance  
= -7 to 12V  
12  
IN  
CM  
I
No Load Supply Current  
(Note 2)  
V
V
V
= 0V or V  
CC  
CC  
RE  
DE  
DE  
400  
300  
900  
500  
µA  
µA  
= V  
CC  
= 0V  
I
I
Driver Short-Circuit Current,  
V
V
V
= -7 to 12V (Note 3)  
35  
35  
7
250  
250  
95  
mA  
mA  
mA  
OSD1  
O
O
O
V =High  
O
Driver Short-Circuit Current,  
= -7 to 12V (Note 3)  
OSD2  
V =Low  
O
I
Receiver Short-Circuit  
Current  
= 0V to V  
CC  
OSR  
Note 1: All currents into device pins are positive; all cuttents out of device pins are negative; all voltages are referenced to device ground  
unless specified.  
Note 2: Supply current specification is valid for loaded transmitters when V = 0V  
DE  
Note 3: Applies to peak current. See typical Operating Characteristics.  
3/13  
1234567...13

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