+3.3V/+5V, 8-Channel Relay Drivers with Fast
Recovery Time and Power-Save Mode
ELECTRICAL CHARACTERISTICS (continued)
(V CC = +2.7V to +5.5V, T A = -40°C to +85°C, unless otherwise noted. Typical values are at V CC = 2.7V, T A = +25°C, unless otherwise
noted.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
RELAY OUTPUT DRIVERS (OUT1–OUT8)
V CC
PS = 001
PS = 010
PS = 011
0.65 x
V CC
0.55 x
V CC
0.45 x
V CC
0.7 x
.
0.6 x
V CC
0.5 x
V CC
0.75 x
V CC
0.65 x
V CC
0.55 x
V CC
OUT_ Drive Voltage,
Power-Save On
(MAX4822)
V OUTPS_
V CC = 2.7V
(Note 4)
PS = 100
0.35 x
V CC
0.4 x
V CC
0.45 x
V CC
V
PS = 101
PS = 110
PS = 111
0.25 x
V CC
0.15 x
V CC
0.05 x
V CC
0.3 x
V CC
0.2 x
V CC
0.1 . x
V CC
0.35 x
V CC
0.25 x
V CC
0.15 x
V CC
OUT_ Drive Voltage,
Power-Save On (MAX4824)
V OUTPS_
V CC = 2.7V (Note 4)
0.35 x
V CC
0.4 x
V CC
0.45 x
V CC
V
OUT_ On-Resistance
OUT_ Off-Leakage Current
R ON
I LEAK
V CC = 2.7V, I OUT_ = 70mA
V OUT_ = V CC , all outputs off
-1
2.7
5.0
+1
?
μA
Zener Clamping Voltage
V CLAMP
I OUT_ = 70mA (Note 5)
7.0
9
10.5
V
SPI TIMING (MAX4822/MAX4823)
Turn-On Time (OUT_)
Turn-Off Time (OUT_)
SCLK Frequency
Cycle Time
CS Fall-to-SCLK Rise Setup
CS Rise-to-SCLK Hold
SCLK High Time
SCLK Low Time
Data Setup Time
t ON
t OFF
f SCLK
t CH + t CL
t CSS
t CSH
t CH
t CL
t DS
From rising edge of CS , R L = 50 ? ,
C L = 50pF
From rising edge of CS , R L = 50 ? ,
C L = 50pF
0
100
50
50
40
40
20
1.0
3.0
10
μs
μs
MHz
ns
ns
ns
ns
ns
ns
_______________________________________________________________________________________
3
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