ADM4853ARZ-REEL7 datasheet(3/16 Pages) AD

No. de pieza	ADM4853ARZ-REEL7

Descripción Electrónicos	5 V, Slew-Rate Limited, Half-Duplex and Full-Duplex RS-485/RS-422 Transceivers

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Fabricante Electrónico	AD [Analog Devices]

Página de inicio	http://www.analog.com

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ADM4850/ADM4851/ADM4852/ADM4853/ADM4854/ADM4855/ADM4856/ADM4857

Rev. D | Page 3 of 16

SPECIFICATIONS

VCC = 5 V ± 5%, TA = TMIN to TMAX, unless otherwise noted.

Table 2.

Parameter

Min

Typ

Max

Unit

Test Conditions/Comments

DRIVER

Differential Output Voltage, VOD

VCC

V

R = ∞, see Figure 181

2.0

5

V

R = 50 Ω (RS-422), see Figure 18

1.5

5

V

R = 27 Ω (RS-485), see Figure 18

|VOD3|

1.5

5

V

VTST = −7 V to 12 V, see Figure 19

∆|VOD| for Complementary Output States

0.2

V

R = 27 Ω or 50 Ω, see Figure 18

Common-Mode Output Voltage, VOC

3

V

R = 27 Ω or 50 Ω, see Figure 18

∆|VOC| for Complementary Output States

0.2

V

R = 27 Ω or 50 Ω, see Figure 18

Output Short-Circuit Current, VOUT = High

−200

+200

mA

−7 V < VOUT < +12 V

Output Short-Circuit Current, VOUT = Low

−200

+200

mA

−7 V < VOUT < +12 V

DRIVER INPUT LOGIC

CMOS Input Logic Threshold Low

0.8

V

CMOS Input Logic Threshold High

2.0

V

CMOS Logic Input Current (DI)

±1

μA

DE Input Resistance to GND

220

kΩ

RECEIVER

Differential Input Threshold Voltage, VTH

−200

−125

−30

mV

−7 V < VOC < +12 V

Input Hysteresis

20

mV

−7 V < VOC < +12 V

Input Resistance (A, B)

96

150

kΩ

−7 V < VOC < +12 V

Input Current (A, B)

0.125

mA

VIN = +12 V

−0.1

mA

VIN = −7 V

CMOS Logic Input Current (RE)

±1

μA

CMOS Output Voltage Low

0.4

V

IOUT = +4 mA

CMOS Output Voltage High

4.0

V

IOUT = −4 mA

Output Short-Circuit Current

7

85

mA

VOUT = GND or VCC

Three-State Output Leakage Current

±2

μA

0.4 V ≤ VOUT ≤ 2.4 V

POWER SUPPLY CURRENT

115 kbps Options (ADM4850/ADM4854)

5

μA

DE = 0 V, RE = VCC (shutdown)

36

60

μA

DE = 0 V, RE = 0 V

100

160

μA

DE = VCC

500 kbps Options (ADM4851/ADM4855)

5

μA

DE = 0 V, RE = VCC (shutdown)

80

120

μA

DE = 0 V, RE = 0 V

120

200

μA

DE = VCC

2.5 Mbps Options (ADM4852/ADM4856)

5

μA

DE = 0 V, RE = VCC (shutdown)

250

400

μA

DE = 0 V, RE = 0 V

320

500

μA

DE = VCC

10 Mbps Options (ADM4853/ADM4857)

5

μA

DE = 0 V, RE = VCC (shutdown)

250

400

μA

DE = 0 V, RE = 0 V

320

500

μA

DE = VCC

1 Guaranteed by design.

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