MAX14782E_14 Datasheet, PDF (10/17 Pages) Maxim Integrated Products – 500Kbps 3.3V to 5V RS-485/RS-422 Transceiver with ±35kV HBM ESD Protection

MAX14782E
500Kbps 3.3V to 5V RS-485/RS-422 Transceiver
with ±35kV HBM ESD Protection
Typical Operating Characteristics (continued)
(V_CC = +5V, T_A = +25°C, unless otherwise specified.)
DRIVER OUTPUT CURRENT
vs. OUTPUT LOW VOLTAGE
180
VCC = 5V
160
140
120
100
VCC = 3.3V
80
60
40
20
0
0
2
4
6
8 10 12
OUTPUT LOW VOLTAGE (V)
DRIVER PROPAGATION DELAY
vs. TEMPERATURE
600
RL = 54Ω
550 C_L = 50pF
500
tDPLH, VCC = 5V
tDPHL, VCC = 5V
450
400
350
300 ^{tDPLH, VCC = 3.3V}
tDPHL, VCC = 3.3V
250
200
-40 -25 -10 5 20 35 50 65 80 95 110 125
TEMPERATURE (°C)
DIFFERENTIAL DRIVER SKEW
vs. TEMPERATURE
20
18
RL = 54Ω
C_L = 50pF
16
VCC = 5V
14
V_CC = 3.3V
12
10
8
6
4
2
0
-40 -25 -10 5 20 35 50 65 80 95 110 125
TEMPERATURE (°C)
DRIVER-OUTPUT RISE /FALL TIME
vs. TEMPERATURE
600
RL = 54Ω
500 ^{CL = 50pF}
tLH, VCC = 5V
400
tHL, VCC = 5V
300
200
tHL, VCC = 3.3V
tLH, VCC = 3.3V
100
0
-40 -25 -10 5 20 35 50 65 80 95 110 125
TEMPERATURE (°C)
DRIVER-OUTPUT TRANSITION SKEW
vs. TEMPERATURE
3.0
RL = 54Ω
C_L = 50pF
2.5
2.0
1.5
VCC = 3.3V
1.0
0.5
VCC = 5V
0
-40 -25 -10 5 20 35 50 65 80 95 110 125
TEMPERATURE (°C)
RECEIVER PROPAGATION DELAY
vs. TEMPERATURE
200
180 tRPHL, VCC = 5V
160
tRPHL, VCC = 3.3V
140
120
100
tRPLH, VCC = 3.3V
80
tRPLH, VCC = 5V
60
40
20 C_L = 15pF
0
-40 -25 -10 5 20 35 50 65 80 95 110 125
TEMPERATURE (°C)
DRIVER / RECEIVER
PROPAGATION DELAY
MAX14782E toc15
DI
VCC = 3.3V
CL = 8pF
2V/div
DIFFERENTIAL INPUT CAPACITANCE
vs. FREQUENCY
30
DE = GND
20
A/B
2V/div
10
RO
2V/div
400ns/div
0
0
3
30
FREQUENCY (MHz)
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