MAX12930 Datasheet, PDF (11/20 Pages) Maxim Integrated Products – Two-Channel Digital Isolators

MAX12930/MAX12931
Two-Channel Digital Isolators
VDDA
0.1µF
50Ω
TEST
SOURCE
VDDA
VDDB
MAX12930
MAX12931
IN_
OUT_
GNDA
GNDB
(A)
0.1µF
CL
VDDB
RL
VDDA
IN1, IN2
GNDA
VDDB
OUT1
GNDB
VDDB
OUT2
GNDB
50%
50%
tSPLH
tSPHL
50%
50%
90%
10%
tR
tSCSHL
50%
tF
Figure 1. Test Circuit (A) and Timing Diagram (B)
Typical Operating Characteristics
(V_VDDA - V_GNDA = +3.3V, V_VDDB - V_GNDB = +3.3V, V_GNDA = V_GNDB, T_A = +25°C, unless otherwise noted.)
SIDE A SUPPLY CURRENT
vs. DATA RATE
1.0
toc01
DRIVING ONE CHANNEL ON SIDE A
OTHER CHANNEL IS HIGH
0.8 ^MAX12930B/E
0.6
0.4
0.2
0.0
0
V_DDA = 5.0V
V_DDA = 3.3V
V_DDA = 2.5V
V_DDA = 1.8V
5
10
15
20
25
DATA RATE (Mbps)
SIDE A SUPPLY CURRENT
vs. DATA RATE
2.5
toc02
DRIVING ONE CHANNEL ON SIDE A
OTHER CHANNEL IS HIGH
2.0 ^MAX12930C/F
1.5
1.0
0.5
0.0
0
V_DDA = 5.0V
V_DDA = 3.3V
V_DDA = 2.5V
V_DDA = 1.8V
25 50 75 100 125 150
DATA RATE (Mbps)
SIDE A SUPPLY CURRENT
1.0
vs. DATA RATE
toc03
DRIVING ONE CHANNEL ON SIDE A
OTHER CHANNEL IS HIGH
0.8 ^MAX12931B/E
0.6
0.4
0.2
0.0
0
V_DDA = 5.0V
V_DDA = 3.3V
V_DDA = 2.5V
V_DDA = 1.8V
5
10
15
20
25
DATA RATE (Mbps)
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