MAX3085ESA Maxim Integrated Products, MAX3085ESA Datasheet - Page 17

• Manufacturer Part Number: MAX3085ESA
• Description: RS-422/RS-485 Interface IC
• Manufacturer: Maxim Integrated Products

Specifications of MAX3085ESA

• Lead Free Status / Rohs Status: No

±15kV ESD-Protected, Fail-Safe, High-Speed (10Mbps),
Figure 13. Receiver Propagation Delay Test Circuit
Figure 14b. Human Body Current Waveform
Figure 16. Driver Output Waveform and FFT Plot of
MAX3083E/MAX3084E/MAX3085E, and MAX3089E
with SRL = V
AMPERES
20dB/div
ATE
I
P
36.8%
100%
90%
10%
0Hz
0
CC,
0
Slew-Rate-Limited RS-485/RS-422 Transceivers
Transmitting a 20kHz Signal
t
RL
______________________________________________________________________________________
V
ID
CURRENT WAVEFORM
TIME
100kHz/div
t
DL
I r
B
A
PEAK-TO-PEAK RINGING
(NOT DRAWN TO SCALE)
R
R
RECEIVER
OUTPUT
1MHz
A
B
Figure 14a. Human Body ESD Test Model
Figure 15. Driver Output Waveform and FFT Plot of
MAX3086E/MAX3087E/MAX3088E, and MAX3089E with
SRL = GND, Transmitting a 20kHz Signal
Figure 17. Driver Output Waveform and FFT Plot of
MAX3080E/MAX3081E/MAX3082E, and MAX3089E
with SRL = Unconnected, Transmitting a 20kHz Signal
VOLTAGE
SOURCE
HIGH-
20dB/div
20dB/div
DC
CHARGE-CURRENT
0Hz
0Hz
LIMIT RESISTOR
1MΩ
R
C
100pF
C s
STORAGE
CAPACITOR
1500Ω
RESISTANCE
DISCHARGE
100kHz/div
100kHz/div
R
D
DEVICE
UNDER
1MHz
1MHz
TEST
A
B
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