SP483ECP 查看數據表（PDF） - Signal Processing Technologies

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SP483ECP

Enhanced Low EMI Half-Duplex RS-485 Transceiver

Signal Processing Technologies 

SPECIFICATIONS (continued)

T

MIN

to

T

MAX

and

V

CC

=

5V

±

5%

unless

otherwise

noted.

PARAMETERS

MIN.

SP483E RECEIVER

AC Characteristics

Maximum Data Rate

250

Receiver Input to Output

250

Receiver Input to Output

250

Diff. Receiver Skew ItPLH-tPHLI

Receiver Enable to

Output Low

Receiver Enable to

Output High

Receiver Disable from Low

Receiver Disable from High

TYP.

100

45

45

45

45

SP483E

Shutdown Timing

Time to Shutdown

50

200

Driver Enable from Shutdown

to Output High

Driver Enable from Shutdown

to Output Low

Receiver Enable from

Shutdown to Output High

300

Receiver Enable from

Shutdown to Output Low

300

POWER REQUIREMENTS

Supply Voltage

+4.75

Supply Current

SP483E

No Load

900

600

SP483E

Shutdown Mode

ENVIRONMENTAL AND

MECHANICAL

Operating Temperature

Commercial (_C_)

0

Industrial (_E_)

-40

Storage Temperature

-65

Package

Plastic DIP (_P)

NSOIC (_N)

MAX. UNITS CONDITIONS

Kbps

2000 ns

2000 ns

ns

70 ns

70 ns

70 ns

70 ns

RE = 0V, DE = 0V

tPLH; RDIFF = 54Ω,

CL1 = CL2 = 100pF; Figures 3 & 7

tCPLH1L;=RCDLIF2F==10504pΩF,; Figures 3 & 7

RDIFF = 54Ω; CL1 = CL2 = 100pF;

Figures 3 & 7

CRL = 15pF; Figures 2 & 8; S1 closed

CRL = 15pF; Figures 2 & 8; S2 closed

CRL = 15pF; Figures 2 & 8; S1 closed

CRL = 15pF; Figures 2 & 8; S2 closed

600 ns

2000 ns

2000 ns

2500 ns

2500 ns

RE = 5V, DE = 0V

CL = 100pF; See Figures 4 & 6; S2 closed

CL = 100pF; See Figures 4 & 6; S1 closed

CL = 15pF; See Figures 2 & 8; S2 closed

CL = 15pF; See Figures 2 & 8; S1 closed

+5.25 Volts

µA

µA

10 µA

RE = 0V, DI = 0V or VCC; DE = VCC

RE = 0V, DI = 0V or 5V; DE = 0V

DE = 0V, RE=VCC

+70 °C

+85 °C

+150 °C

SP483EDS/05

SP483E Low EMI Half-Duplex RS485 Transceiver

3

© Copyright 2000 Sipex Corporation

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