MAX1481 datasheet(3/16 Pages) MAXIM

Part #	MAX1481

Description	Software-Selectable, Half-/Full-Duplex, Slew-Rate-Limited, 12Mbps, RS-485/RS-422 Transceivers in uMAX Package

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Manufacturer	MAXIM [Maxim Integrated Products]

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

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3 / 16 page

Driver Input to Output

Software-Selectable, Half-/Full-Duplex, Slew-Rate-Limited,

12Mbps, RS-485/RS-422 Transceivers in µMAX Package

_______________________________________________________________________________________

3

ELECTRICAL CHARACTERISTICS (continued)

(VCC = +5V ±5%, TA = TMIN to TMAX, unless otherwise noted. Typical values are at VCC = +5V and TA = +25ºC.) (Note 1)

SWITCHING CHARACTERISTICS (MAX1484/MAX1486)

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

-7V

≤ VCM ≤ 12V

-7V

≤ VCM ≤ 12V

IO = 4mA, VID = -200mV

IO = -4mA, VID = 200mV

0.4V

≤ VO ≤ 2.4V

CONDITIONS

k

Ω

96

RIN

Receiver Input Resistance

µA

±1

IOZR

Three-State Output Current at

Receiver

mV

70

∆VTH

Receiver Input Hysteresis

mV

-200

200

VTH

Receiver Differential Threshold

Voltage

V

0.4

VOL

Receiver Output Low Voltage

V

3.5

VOH

Receiver Output High Voltage

UNITS

MIN

TYP

MAX

SYMBOL

PARAMETER

0V

≤ VRO ≤ VCC

RE = GND, DE = VCC

mA

±95

IOSR

Receiver Output Short-Circuit

Current

µA

300

600

ICC

No-Load Supply Current

DE = GND, RE = VCC

µA

0.1

10

ISHDN

Supply Current in Shutdown

Mode (MAX1481 Only)

RDIFF = 54Ω, CL1 = CL2 = 100pF,

Figures 7 and 9

RDIFF = 54Ω, CL1 = CL2 = 100pF,

Figures 7 and 9

CONDITIONS

ns

5

10

tDSKEW

Driver Output Skew

| tDPLH - tDPHL |

30

60

tDPLH

ns

30

60

tDPHL

Driver Input to Output

UNITS

MIN

TYP

MAX

SYMBOL

PARAMETER

CL = 15pF, S1 closed, Figures 8 and 10

CL = 100pF, S2 closed, Figures 8 and 10

CL = 100pF, S1 closed, Figures 8 and 10

ns

40

70

tDLZ

Driver Disable Time from Low

ns

40

70

tDZH

Driver Enable to Output High

ns

40

70

tDZL

Driver Enable to Output Low

Mbps

12

fMAX

Maximum Data Rate

CL = 15pF, S2 closed, Figures 8 and 10

CL = 100pF, S2 closed, Figures 6 and 12

CL = 100pF, S1 closed, Figures 6 and 12

ns

20

50

tRZH

Receiver Enable to Output High

ns

20

50

tRZL

Receiver Enable to Output Low

ns

40

70

tDHZ

Driver Disable Time from High

CL = 100pF, S2 closed, Figures 6 and 12

CL = 100pF, S1 closed, Figures 6 and 12

ns

20

50

tRHZ

Receiver Disable Time from High

ns

20

50

tRLZ

Receiver Disable Time from Low

Figures 11 and 13

ns

5

tRSKD

| tRPLH - tRPHL | Differential

Receiver Skew

Figures 11 and 13

ns

90

150

tRPLH,

tRPHL

Receiver Input to Output

RDIFF = 54Ω, CL1 = CL2 = 100pF,

Figures 7 and 9

ns

5

15

35

tDR, tDF

Driver Rise or Fall Time

RECEIVER

SUPPLY CURRENT

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