ADM3493 datasheet(3/12 Pages) AD

3 / 12 page

ADM3493

Rev. 0 | Page 3 of 12

SPECIFICATIONS

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

Table 1.

Parameter

Min

Typ

Max

Units

Test Conditions/Comments

DRIVER

Differential Output Voltage, VOD

2.0

RL = 100 Ω (RS-422), Vcc = 3.3 V

±5% (see Figure 3)

1.5

RL = 54 Ω (RS-485) (see Figure 3)

1.5

RL = 60 Ω (RS-485), Vcc = 3.3 V

(see Figure 4)

Δ |VOD| for Complementary Output States1

0.2

RL = 54 Ω or 100 Ω (see Figure 3)

Common-Mode Output Voltage, VOC

RL = 54 Ω or 100 Ω (see Figure 3)

Δ |VOC| for Common-Mode Output Voltage1

0.2

RL = 54 Ω or 100 Ω (see Figure 3)

DRIVER INPUT LOGIC

CMOS Input Logic Threshold Low, VIH

0.8

DE, DI, RE

CMOS Input Logic Threshold High, VIL

2.0

DE, DI, RE

CMOS Logic Input Current, IN1

±2

μA

DE, DI, RE

μA

VIN = 12 V

Input Current (A, B), IN2

−60

μA

VIN = −7 V

DE = 0 V

VCC = 0 V or 3.6 V

RECEIVER

Differential Input Threshold Voltage, VTH

−0.2

0.2

−7V < VCM < + 12 V

Input Hysteresis,

Δ VTH

VCM = 0 V

CMOS Output Voltage High, VOH

Vcc – 0.4

IOUT = −1.5 mA, VID = 200 mV

(see Figure 5)

CMOS Output Voltage Low, VOL

0.4

IOUT = 2.5mA, VID = 200mV

(see Figure 5)

Three-State Output Leakage Current, IOZR

±1

μA

Vcc = 3.6 V, 0 V

≤ VOUT ≤ Vcc

Input Resistance, RIN

kΩ

−7 V < VCM < + 12 V

POWER SUPPLY CURRENT

DE = VCC

1.1

2.2

RE = 0 V or VCC

DE = VCC

Supply Current

0.95

1.9

RE = 0 V

No load,

DI = 0 V or VCC

Supply Current in Shutdown Mode, ISHDN

0.002

μA

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

−250

VOUT = −7 V

Driver Short-Circuit Output Current, IOSD

250

VOUT = 12 V

Receiver Short-Circuit Output Current, IOSR

±8

±60

0 V < VRO < VCC

ΔVOD and ΔVOC are the changes in VOD and VOC, respectively, when DI input changes state.

ADM3493 Datasheet(PDF) 3 Page - Analog Devices

ADM3493 Datasheet(HTML) 3 Page - Analog Devices

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12

Datasheet Download

Link URL