MAX14820 Datasheet, PDF (13/29 Pages) Maxim Integrated Products – IO-Link Device Transceiver

MAX14820
IO-Link Device Transceiver
Typical Operating Characteristics (continued)
(V_CC = 24V, LDOIN = V_P, V_L = LDO33, C/Q and DO in push-pull configuration, T_A = +25NC, unless otherwise noted.)
C/Q SHORT-CIRCUIT PROTECTION
MAX14820 toc13
V_C/Q
10V/div
0V
TXEN = V_L, TXC = TXQ = GND
t_SHORT = 200µs
40µs/div
ISINK
200mA/div
0mA
VIRQ
2V/div
0V
LDO33 LOAD REGULATION
0
TA = -40°C
-0.1
-0.2
-0.3
TA = +25°C
-0.4
-0.5
TA = +85°C
-0.6
-0.7
0 5 10 15 20 25 30 35 40 45 50
LOAD CURRENT (mA)
VCC SUPPLY CURRENT
vs. C/Q DATA RATE
18
VLDOIN = V5 = 5V
16 _{TXEN = VL}
14 ^{HiSlew = 1}
12
VCC = 36V
10
8
VCC = 30V
6
VCC = 24V
4
2
0
1
10
100
1000
C/Q DATA RATE (kbps)
0
-0.05
-0.10
-0.15
-0.20
-0.25
-0.30
-0.35
-0.40
-0.45
-0.50
0
V5 LOAD REGULATION
TA = +25°C
TA = -40°C
TA = +85°C
10
20
30
40
50
LOAD CURRENT (mA)
VCC SUPPLY CURRENT
vs. VCC VOLTAGE
1.8
TA = +25°C
1.6
1.4
1.2
1.0
TA = +85°C
TA = -40°C
0.8
0.6 V_LDOIN = 7V
C/Q AND DO DRIVERS ENABLED
0.4 _{LDO5, VP UNLOADED}
0.2 ^{C/Q AND DI CURRENT LOADS OFF}
TXC = TXQ = LO = V_L
0
9 12 15 18 21 24 27 30 33 36
VCC VOLTAGE (V)
LDOIN SUPPLY CURRENT
vs. LDOIN VOLTAGE
4.0
3.5
3.0
TA = +25°C ^{TA = +85°C}
2.5
TA = -40°C
2.0
1.5
1.0 VCC = 36V
C/Q AND DO DRIVERS ENABLED
0.5 _{LDO5, LDO33 ARE LOADED}
TXC = TXQ = LO = VL
0
9 12 15 18 21 24 27 30 33 36
VLDOIN (V)
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