ADM3491AR-REEL datasheet(6/20 Pages) AD | 3.3 V Slew Rate Limited, Half- and Full-Duplex, RS-485/RS-422 Transceivers

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ADM3491AR-REEL Fiches technique(PDF) 6 Page - Analog Devices

No de pièce	ADM3491AR-REEL

Description	3.3 V Slew Rate Limited, Half- and Full-Duplex, RS-485/RS-422 Transceivers

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Fabricant	AD [Analog Devices]

Site Internet	http://www.analog.com

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ADM3483/ADM3485/ADM3488/ADM3490/ADM3491

Rev. B | Page 6 of 20

TIMING SPECIFICATIONS—ADM3483/ADM3485/ADM3488/ADM3490/ADM3491

VCC = 3.3 V, TA = 25°C, unless otherwise noted.

Table 5.

Parameter

Min

Typ

Max

Unit

Test Conditions/Comments

RECEIVER

Time to Shutdown (tSHDN)

ADM3483/ADM3485/ADM34911

80

190

300

ns

Propagation Delay, Low-to-High Level (tRPLH)

ADM3485/ADM3490/ADM3491

25

65

90

ns

VID = 0 V to 3.0 V, CL = 15 pF (see Figure 14 and Figure 20)

ADM3483/ADM3488

25

75

120

ns

Propagation Delay, High-to-Low Level (tRPHL)

ADM3485/ADM3490/ADM3491

25

65

90

ns

VID = 0 V to 3.0 V, CL = 15 pF (see Figure 14 and Figure 20)

ADM3483/ADM3488

25

75

120

ns

|tPLH – tPHL| Propagation Delay Skew (tRPDS)

ADM3485/ADM3490/ADM3491

10

ns

VID = 0 V to 3.0 V, CL = 15 pF (see Figure 14 and Figure 20)

ADM3483/ADM3488

20

ns

RECEIVER OUTPUT ENABLE/DISABLE TIMES

(ADM3483/ADM3485/ADM3491 ONLY)

Output Enable Time to Low Level (tPRZL)

25

50

ns

CL = 15 pF (see Figure 15 and Figure 21)

Output Enable Time to High Level (tPRZH)

25

50

ns

CL = 15 pF (see Figure 15 and Figure 21)

Output Disable Time from High Level (tPRHZ)

25

45

ns

CL = 15 pF (see Figure 15 and Figure 21)

Output Disable Time from Low Level (tPRLZ)

25

45

ns

CL = 15 pF (see Figure 15 and Figure 21)

Output Enable Time from Shutdown to

Low Level (tPRSL)

720

1400

ns

CL = 15 pF (see Figure 15 and Figure 21)

Output Enable Time from Shutdown to

High Level (tPRSH)

720

1400

ns

CL = 15 pF (see Figure 15 and Figure 21)

1 The transceivers are put into shutdown by bringing the RE high and DE low. If the inputs are in this state for less than 80 ns, the parts are guaranteed not to enter

shutdown. If the parts are in this state for 300 ns or more, the parts are guaranteed to enter shutdown.

Numéro de pièce similaire - ADM3491AR-REEL

Fabricant	No de pièce	Fiches technique	Description
Analog Devices	ADM3491AR-REEL	327Kb / 20P	3.3 V Slew Rate Limited, Half- and Full-Duplex, RS-485/RS-422 Transceivers Rev. E
Analog Devices	ADM3491AR-REEL7	327Kb / 20P	3.3 V Slew Rate Limited, Half- and Full-Duplex, RS-485/RS-422 Transceivers Rev. E

Description similaire - ADM3491AR-REEL

Fabricant	No de pièce	Fiches technique	Description
Analog Devices	ADM3483	328Kb / 20P	3.3 V Slew Rate Limited, Half- and Full-Duplex, RS-485/RS-422 Transceivers Rev. E
	ADM3491ARUZ	328Kb / 20P	3.3 V Slew Rate Limited, Half- and Full-Duplex, RS-485/RS-422 Transceivers Rev. E
	ADM3483	327Kb / 20P	3.3 V Slew Rate Limited, Half- and Full-Duplex, RS-485/RS-422 Transceivers Rev. E
	ADM4855	446Kb / 16P	5 V, Slew-Rate Limited, Half-Duplex and Full-Duplex RS-485/RS-422 Transceivers REV. D
	ADM4850	446Kb / 16P	5 V, Slew-Rate Limited, Half-Duplex and Full-Duplex RS-485/RS-422 Transceivers Rev. D
	ADM4850	342Kb / 16P	5 V, Slew Rate Limited, Half-Duplex and Full Duplex RS-485/RS-422 Transceivers Rev. F
	ADM4851	446Kb / 16P	5 V, Slew-Rate Limited, Half-Duplex and Full-Duplex RS-485/RS-422 Transceivers Rev. D
	ADM4856	446Kb / 16P	5 V, Slew-Rate Limited, Half-Duplex and Full-Duplex RS-485/RS-422 Transceivers REV. D
	ADM4850	446Kb / 16P	5 V, Slew-Rate Limited, Half-Duplex and Full-Duplex RS-485/RS-422 Transceivers REV. D
	ADM4853	446Kb / 16P	5 V, Slew-Rate Limited, Half-Duplex and Full-Duplex RS-485/RS-422 Transceivers REV. D

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