MAX3072EAPA 查看數據表（PDF） - Maxim Integrated

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MAX3072EAPA

+3.3V / 15kV ESD-Protected / Fail-Safe / Hot-Swap / RS-485/RS-422 Transceivers

Maxim Integrated 

+3.3V, ±15kV ESD-Protected, Fail-Safe,

Hot-Swap, RS-485/RS-422 Transceivers

DC ELECTRICAL CHARACTERISTICS (continued)

(VCC = 3.3V ±10%, TA =TMIN to TMAX, unless otherwise noted. Typical values are at VCC = 3.3V and TA = +25°C.) (Note 1)

PARAMETER

Driver Short-Circuit Output

Current

Driver Short-Circuit Foldback

Output Current

Thermal-Shutdown Threshold

Thermal-Shutdown Hysteresis

Input Current (A and B)

RECEIVER

Receiver Differential Threshold

Voltage

Receiver Input Hysteresis

RO Output High Voltage

RO Output Low Voltage

Three-State Output Current at

Receiver

Receiver Input Resistance

Receiver Output Short-Circuit

Current

SUPPLY CURRENT

Supply Current

SYMBOL

IOSD

IOSDF

TTS

TTSH

IA, B

CONDITIONS

0 ≤ VOUT ≤ 12V (Note 3)

-7V ≤ VOUT ≤ VCC (Note 3)

(VCC - 1V) ≤ VOUT ≤ 12V (Note 3)

-7V ≤ VOUT ≤ 1V (Note 3)

DE = GND,

VCC = GND or 3.6

VIN = +12V

VIN = -7V

MIN

40

-250

20

-100

TYP

175

15

MAX

250

-40

UNITS

mA

mA

-20

°C

°C

125

µA

VTH

∆VTH

VOH

VOL

IOZR

RIN

IOSR

-7V ≤ VCM ≤ 12V

VA + VB = 0V

IO = -1mA

IO = 1mA

0 ≤ VO ≤ VCC

-7V ≤ VCM ≤ 12V

0V ≤ VRO ≤ VCC

-200 -125 -50

mV

15

mV

VCC - 0.6

V

0.4

V

±1

µA

96

kΩ

±80

mA

No load, RE = 0, DE = VCC

ICC

No load, RE = VCC, DE = VCC

No load, RE = 0, DE = 0

0.8

1.5

0.8

1.5

mA

0.8

1.5

Supply Current in Shutdown

Mode

ESD PROTECTION

ESD Protection for Y, Z, A, and B

ISHDN RE = VCC, DE = GND

Human Body Model

0.05

10

µA

±15

kV

Note 1: All currents into the device are positive. All currents out of the device are negative. All voltages are referred to device

ground, unless otherwise noted.

Note 2: ∆VOD and ∆VOC are the changes in VOD and VOC, respectively, when the DI input changes state.

Note 3: The short-circuit output current applies to peak current just prior to foldback current limiting. The short-circuit foldback out-

put current applies during current limiting to allow a recovery from bus contention.

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