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ADM3483EARZ

3.3 V, ±15 kV ESD-Protected, Half- and Full-Duplex, RS-485/RS-422 Transceivers

Analog Devices 

ADM3483E/ADM3486E/ADM3488E/ADM3490E/ADM3491E

SPECIFICATIONS

VCC = 3.3 V ± 0.3 V, TA = TMIN to TMAX, unless otherwise noted.

Table 2. ADM3483E/ADM3486E/ADM3488E/ADM3490E/ADM3491E

Parameter

Symbol Min

Typ

DRIVER

Differential Outputs

Differential Output Voltage

VOD

2.0

1.5

1.5

Δ|VOD| for Complementary Output States1 ∆VOD

Common-Mode Output Voltage

VOC

Δ|VOC| for Complementary Output States1 ∆VOC

Short-Circuit Output Current

IOSD

−250

Output Leakage (Y, Z) (ADM3491E Only) IO

Normal Mode

Max Unit

V

V

V

0.2 V

3V

0.2 V

mA

250 mA

20 μA

−20

μA

Shutdown Mode

1

μA

−1

μA

Logic Inputs

Input High Voltage

Input Low Voltage

Logic Input Current

RECEIVER

Differential Inputs

Differential Input Threshold Voltage

Input Hysteresis

Input Resistance (A, B)

Input Current (A, B)

RO Logic Output

Output High Voltage

Output Low Voltage

Short-Circuit Output Current

Tristate Output Leakage Current

POWER SUPPLY

Voltage Range

Supply Current

VIH

2.0

VIL

IIN1

V

0.8 V

±2 μA

VTH

∆VTH

RIN

IIN2

VOH

VOL

IOSR

IOZR

VCC

ICC

−0.2

50

12

−0.8

VCC − 0.4

±8

3.0

1.1

0.2 V

mV

kΩ

1.0 mA

mA

V

0.4 V

±60 mA

±1 μA

3.6 V

2.2 mA

0.95 1.9 mA

Shutdown Current

ESD PROTECTION

A, B, Y, Z Pins

All Pins Except A, B, Y, Z Pins

ISHDN

0.002 1 μA

±15

kV

±4

kV

1 Δ|VOD| and Δ|VOC| are the changes in VOD and VOC, respectively, when DI input changes state.

Test Conditions/Comments

RL = 100 Ω (RS-422) (see Figure 7)

RL = 54 Ω (RS-485) (see Figure 7)

RL = 60 Ω (RS-485) (see Figure 8)

RL = 54 Ω or 100 Ω (see Figure 7)

RL = 54 Ω or 100 Ω (see Figure 7)

RL = 54 Ω or 100 Ω (see Figure 7)

VOUT = −7 V

VOUT = 12 V

DE = 0 V, RE = 0 V, VCC = 0 V or 3.6 V,

VOUT = 12 V

DE = 0 V, RE = 0 V, VCC = 0 V or 3.6 V,

VOUT = −7 V

DE = 0 V, RE = VCC, VCC = 0 V or 3.6 V,

VOUT = 12 V

DE = 0 V, RE = VCC, VCC = 0 V or 3.6 V,

VOUT = −7 V

DE, DI, RE

DE, DI, RE

DE, DI, RE

−7 V < VCM < +12 V

VCM = 0 V

−7 V < VCM < +12 V

DE = 0 V, VCC = 0 V or 3.6 V, VIN = 12 V

DE = 0 V, VCC = 0 V or 3.6 V, VIN = −7 V

IOUT = −1.5 mA, VID = 200 mV (see Figure 9)

IOUT = 2.5 mA, VID = 200 mV (see Figure 9)

0 V < VRO < VCC

VCC = 3.6 V, 0 V < VOUT < VCC

No load, DI = 0 V or VCC, DE = VCC,

RE = 0 V or VCC

No load, DI = 0 V or VCC, DE = 0 V,

RE = 0 V

DE = 0 V, RE = VCC, DI = 0 V or VCC

Human body model

Human body model

Rev. A | Page 4 of 20

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