MAX3440EAPA datasheet(4/19 Pages) MAXIM

Part #	MAX3440EAPA

Description	15,-15kV ESD-Protected, 60,-60V Fault-Protected, 10Mbps, Fail-Safe RS-485/J1708 Transceivers

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Manufacturer	MAXIM [Maxim Integrated Products]

Direct Link	https://www.maximintegrated.com/en.html

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4 / 19 page

±15kV ESD-Protected, ±60V Fault-Protected,

10Mbps, Fail-Safe RS-485/J1708 Transceivers

4

_______________________________________________________________________________________

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

MAX3440E/MAX3442E,

Figure 3, RL = 54 , CL = 50pF

Driver Propagation Delay

tPLHA,

tPLHB

MAX3444E, RDIFF = 60 , CDIFF = 100pF

2000

ns

Driver Differential Propagation Delay

tDPLH,

tDPHL

Figure 4, RL = 54 , CL = 50pF

2000

ns

Driver Differential Output

Transition Time

tLH,tHL

Figure 4, RL = 54 , CL = 50pF

200

2000

ns

Driver Output Skew

tSKEWAB,

tSKEWBA

RL = 54 , CL = 50pF,

tSKEWAB = |tPLHA - tPHLB|,

tSKEWBA = |tPLHB - tPHLA|

350

ns

Differential Driver Output Skew

tDSKEW

RL = 54 , CL = 50pF,

tDSKEW = |tDPLH - tDPHL|

200

ns

Maximum Data Rate

fMAX

250

kbps

Driver Enable Time to Output High

tPDZH

Figure 5, RL = 500 , CL = 50pF

2000

ns

Driver Disable Time from Output High

tPDHZ

Figure 5, RL = 500 , CL = 50pF

2000

ns

Driver Enable Time from Shutdown to

Output High

tPDHS

Figure 5, RL = 500 , CL = 50pF

(MAX3442E/MAX3444E)

4.2

μs

Driver Enable Time to Output Low

tPDZL

Figure 6, RL = 500 , CL = 50pF

2000

ns

Driver Disable Time from Output Low

tPDLZ

Figure 6, RL = 500 , CL = 50pF

2000

ns

Driver Enable Time from Shutdown to

Output Low

tPDLS

Figure 6, RL = 500 , CL = 50pF

(MAX3442E/MAX3444E)

4.2

μs

Driver Time to Shutdown

tSHDN

RL = 500 , CL = 50pF (MAX3442E/MAX3444E)

800

ns

Receiver Propagation Delay

tRPLH,

tRPHL

Figure 7, CL = 20pF, VID = 2V, VCM = 0V

2000

ns

Receiver Output Skew

tRSKEW

CL = 20pF, tRSKEW = |tRPLH - tRPHL|

200

ns

Receiver Enable Time to Output High

tRPZH

Figure 8, RL = 1k , CL = 20pF

2000

ns

Receiver Disable Time from Output

High

tRPHZ

Figure 8, RL = 1k , CL = 20pF

2000

ns

Receiver Wake Time from Shutdown

tRPWAKE

Figure 8, RL = 1k , CL = 20pF

(MAX3442E/MAX3444E)

4.2

μs

Receiver Enable Time to Output Low

tRPZL

Figure 8, RL = 1k , CL = 20pF

2000

ns

Receiver Disable Time from Output Low

tRPLZ

Figure 8, RL = 1k , CL = 20pF

2000

ns

Receiver Time to Shutdown

tSHDN

RL = 500 , CL= 50pF

(MAX3442E/MAX3444E)

800

ns

SWITCHING CHARACTERISTICS (MAX3440E/MAX3442E/MAX3444E)

(VCC = +4.75V to +5.25V, TA = TMIN to TMAX, unless otherwise noted. Typical values are at VCC = +5V and TA = +25°C.)

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MAX3440EAPA Datasheet(PDF) 4 Page - Maxim Integrated Products

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