Datasheet
MAX4822–MAX4825
+3.3V/+5V, 8-Channel Relay Drivers with Fast
Recovery Time and Power-Save Mode
_______________________________________________________________________________________ 3
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)
PS = 001
0.65 x
V
CC
0.7 x
.
V
CC
0.75 x
V
CC
PS = 010
0.55 x
V
CC
0.6 x
V
CC
0.65 x
V
CC
PS = 011
0.45 x
V
CC
0.5 x
V
CC
0.55 x
V
CC
PS = 100
0.35 x
V
CC
0.4
x
V
CC
0.45 x
V
CC
PS = 101
0.25 x
V
CC
0.3
x
V
CC
0.35 x
V
CC
PS = 110
0.15 x
V
CC
0.2 x
V
CC
0.25 x
V
CC
OUT_ Drive Voltage,
Power-Save On
(MAX4822)
V
OUTPS_
V
CC
= 2.7V
(Note 4)
PS = 111
0.05 x
V
CC
0.1
.
x
V
CC
0.15 x
V
CC
V
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 R
ON
V
CC
= 2.7V, I
OUT_
= 70mA 2.7 5.0 Ω
OUT_ Off-Leakage Current I
LEAK
V
OUT_
= V
CC
, all outputs off -1 +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_) t
ON
From rising edge of CS, R
L
= 50Ω,
C
L
= 50pF
1.0 µs
Turn-Off Time (OUT_) t
OFF
From rising edge of CS, R
L
= 50Ω,
C
L
= 50pF
3.0 µs
SCLK Frequency f
SCLK
010
MHz
Cycle Time
t
CH
+ t
CL
100
ns
CS Fall-to-SCLK Rise Setup t
CSS
50 ns
CS Rise-to-SCLK Hold t
CSH
50 ns
SCLK High Time t
CH
40 ns
SCLK Low Time t
CL
40 ns
Data Setup Time t
DS
20 ns