ADM488ABRZ datasheet(4/16 Pages) AD

Teilenummer	ADM488ABRZ

Bauteilbeschribung	Full-Duplex, Low Power, Slew Rate Limited, EIA RS-485 Transceivers

PDF	16 Pages

Scroll/Zoom	100%

Hersteller	AD [Analog Devices]

Direct Link	http://www.analog.com

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4 / 16 page

ADM488A/ADM489A

Rev. 0 | Page 4 of 16

TIMING SPECIFICATIONS

VCC = 5 V ± 10%. All specifications TMIN to TMAX, unless otherwise noted.

Table 2.

Parameter

Symbol

Min

Typ

Max

Unit

Test Conditions/Comments

DRIVER

Propagation Delay Input to Output

tPLH, tPHL

250

2000

RL differential = 54 Ω, CL1 = CL2 =

100 pF, see Figure 15

Driver Output Skew

tSKEW

100

800

RL differential = 54 Ω, CL1 = CL2 =

100 pF, see Figure 15

Driver Rise/Fall Time

tDR, tDF

250

2000

RL differential = 54 Ω, CL1 = CL2 =

100 pF, see Figure 15

Driver Enable to Output Valid

tZL, tZH

250

2000

RL = 500 Ω, CL = 100 pF, see Figure 12

Driver Disable Timing

tLZ, tHZ

300

3000

RL = 500 Ω, CL = 15 pF, see Figure 12

Maximum Data Rate

250

kbps

RECEIVER

Propagation Delay Input to Output

tPLH, tPHL

250

2000

CL = 15 pF, see Figure 15

Skew

|tPLH − tPHL|

100

Receiver Enable

tEN1

RL = 1 kΩ, CL = 15 pF, see Figure 14

Receiver Disable

tEN2

RL = 1 kΩ, CL = 15 pF, see Figure 14

Maximum Data Rate

250

kbps

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