ADM3085 datasheet(2/14 Pages) AD

2 / 14 page

ADM3082/ADM3085/ADM3088

–2 –

PRELIMINARY TECHNICAL DATA

ADM3082/ADM3085/ADM3088 SPECIFICATIONS

DCELECTRICALCHARACTERISTICS

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

DRIVER

Parameter

Min

Typ

Max

Units

Test Conditions/Comments

Differential Driver Output, VOD1

Figure 1 (No Load)

Differential Driver Output,VOD2

2.0

Figure 1, R = 50

(RS-422)

1.5

Figure 1, R = 27

(RS-485)

Change-in-Magnitude of Differential

0.2

Figure 1, R = 50

or R = 27

Common-Mode Output Voltage,

VOD

(Note 2)

Driver Common-Mode

Figure 1, R = 50

or R = 27

Output Voltage, VOC

Change-in-Magnitude of

0.2

Figure 1, R = 50

or R = 27

Common-Mode Voltage,

VOC

(Note 2)

Input High Voltage,VIH1

2.0

(DE, DI,

RE)

Input Low Voltage, VlL1

0.8

(DE, DI,

RE)

DI Input Hysteresis, VHYS

100

m V

Input Current, IIN1 (DE, DI,

RE)±2

µ A

Input Current (A and B), IIN4

125

µ A

DE = GND, VCC = GND or 5.25V,

VIN = 12V

–75

µ A

DE = GND, VCC = GND or 5.25V,

VIN = –7V

Output Leakage (Y and Z),

125

µ A

DE = GND, VCC = GND or 5.25V,

Full Duplex, IO

VIN = 12V

–100

µ A

DE = GND, VCC = GND or 5.25V,

VIN = –7V

Driver Short-Circuit,VOD1

–250

m A

–7V

VOUT

VCC (Note 3)

Output Current

250

m A

VOUT

12V (Note 3)

±25

m A

VOUT

VCC (Note 3)

REV. PrA 02/02

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