ST75C176BN(2006) 查看數據表（PDF） - STMicroelectronics

零件编号

产品描述 (功能)

生产厂家

ST75C176BN
(Rev.:2006)

Low power RS-485/RS-422 transceiver

STMicroelectronics 

Electrical characteristics

4

Electrical characteristics

ST75C176

Table 5.

Symbol

DC electrical characteristics

(VCC = 5V ± 5%, TA = TMIN to TMAX, unless otherwise specified. Typical values are referred

to TA = 25°C) (See Note 1)

Parameter

Test Conditions

Min. Typ. Max. Unit

VOD1

Differential driver output

(no load)

VOD2

Differential driver output

(with load)

RL = 27Ω (RS-485), (See Figure 2.)

RL = 50Ω (RS-422), (See Figure 2.)

1.5

∆VOD

Change in magnitude of

driver differential output

voltage for complementary

output states

RL = 27Ω or 50Ω (See Figure 2.)

VOC

Driver common-mode

output voltage

RL = 27Ω or 50Ω (See Figure 2.)

5

V

5

V

5

V

0.2

V

3

V

∆VOC

VIH

VIL

IIN1

IIN2

VTH

∆VTH

VOH

VOL

Change in magnitude of

driver common-mode

output voltage for

complementary output

states

RL = 27Ω or 50Ω (See Figure 2.)

Input high voltage

RE, DE, DI

Input low voltage

RE, DE, DI

Input current

RE, DE, DI

Input current (A, B)

Receiver differential

threshold voltage

VCM = 0V or 5.25V, VDE = 0V

VIN = 12V

VIN = -7V

VCM = -7 to 12V

Receiver input hysteresis

Receiver output high

voltage

VCM = 0V

IO = -4mA, VID = 200mV

Receiver output low

voltage

IO = 4mA, VID = -200mV

0.2

V

2.0

V

0.8

V

± 2 µA

1

mA

-0.8 mA

-0.2

0.2

V

70

mV

3.5

V

0.4

V

IOZR

RIN

ICC

IOSD1

3-State (high impedance)

output current at receiver

VO = 0.4 to 2.4V

Receiver input resistance VCM = -7 to 12V

No load supply current

(Note 2)

VRE = 0V or VCC

VDE = VCC

VDE = 0V

Driver short-circuit current,

VO=High

VO = -7 to 12V (Note 3)

± 1 µA

12

KW

400 900 µA

300 500 µA

35

250 mA

6/18

Share Link: