ADM2023E datasheet(3/16 Pages) AD | EMI/EMC-Compliant, +-15 kV, ESD-Protected RS-232 Line Drivers/Receivers

3 page

ADM202E/ADM1181A

Rev. C | Page 3 of 16

SPECIFICATIONS

VCC = 5.0 V ± 10%, C1 to C4 = 0.1 µF. All specifications TMIN to TMAX, unless otherwise noted.

Table 1.

Parameter

Min

Typ

Max

Unit

Test Conditions/Comments

DC CHARACTERISTICS

Operating Voltage Range

4.5

5.0

5.5

VCC Power Supply Current

2.5

6.0

No load

RL = 3 kΩ to GND

LOGIC

Input Logic Threshold Low, VINL

0.8

TIN

Input Logic Threshold High, VINH

2.4

TIN

CMOS Output Voltage Low, VOL

0.4

IOUT = 3.2 mA

CMOS Output Voltage High, VOH

3.5

IOUT = −1 mA

Logic Pull-Up Current

+12

±25

µA

TIN = 0 V

RS-232 RECEIVER

EIA-232 Input Voltage Range

−30

+30

EIA-232 Input Threshold Low

0.4

1.2

EIA-232 Input Threshold High

1.6

2.4

EIA-232 Input Hysteresis

0.65

EIA-232 Input Resistance

kΩ

TA = 0°C to 85°C

RS-232 TRANSMITTER

Output Voltage Swing

±5.0

±9.0

All transmitter outputs loaded with 3 kΩ to

ground

Transmitter Output Resistance

300

Ω

VCC = 0 V, VOUT = ±2 V

RS-232 Output Short-Circuit Current

±10

±60

TIMING CHARACTERISTICS

Maximum Data Rate

230

kbps

RL = 3 kΩ to 7 kΩ, CL = 50 pF to 1000 pF

Receiver Propagation Delay

TPHL

0.1

µs

TPLH

0.3

µs

Transmitter Propagation Delay

1.0

1.5

µs

RL = 3 kΩ, CL = 1000 pF

Transition Region Slew Rate

V/µs

RL = 3 kΩ, CL = 1000 pF

Measured from +3 V to −3 V, or −3 V to +3 V

EM IMMUNITY

ESD Protection (I/O Pins)

±15

Human body model

±15

IEC1000-4-2 air discharge

±8 kV

IEC1000-4-2 contact discharge

EFT Protection (I/O Pins)

±2

IEC1000-4-4

EMI Immunity

V/m

IEC1000-4-3

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