Datasheet

_______________________________________________________________________________________ 5
MAX4936–MAX4939
Octal High-Voltage Transmit/Receive Switches
ELECTRICAL CHARACTERISTICS (continued)
(V
DD
= +1.62V to +5.5V, V
CC
= +2.7V to +5.5V, V
EE
= -2.7V to -5.5V, V
CLR
= 0V, LVCC_ = V
CC
, LVEE_ = V
EE
, T
A
= T
MIN
to T
MAX
,
unless otherwise noted. Typical values are at T
A
= +25NC.) (Note 2)
Note 2: All specifications are 100% production tested at T
A
= +70NC, unless otherwise noted. Specifications at 0NC are guaran-
teed by design.
Note 3: See the Ultrasound-Specific IMD3 Specification section.
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Positive Logic Supply Current I
DD
CLR, DIN, CLK, LE = GND or V
DD
+1
FA
Positive Analog Supply Current I
CC
Per channel, switch is on, V
CC
= +5V,
V
EE
= -5V, I
CH
= 1.5mA
+1.15 +1.5 +2 mA
Positive Analog Shutdown
Supply Current
I
CC_SHDN
CLR = high +1
FA
Negative Analog Supply
Current
I
EE
Per channel, switch is on, V
CC
= +5V,
V
EE
= -5V, I
CH
= 1.5mA
-2 -1.5 -1.15 mA
Negative Analog Shutdown
Supply Current
I
EE_SHDN
CLR = high -1
FA
On Power-Supply Rejection
Ratio
PSRR
ON
V
CC
to NO_ or V
EE
to NO_, switch is on,
V
CC
= +5V, V
EE
= -5V, R
L
= 200I,
C
L
= 30pF, I
CH
= 1.5mA, f = 1MHz
-77 dB
Off Power-Supply Rejection
Ratio
PSRR
OFF
V
CC
to NO_ or V
EE
to NO_, switch is off,
V
CC
= +5V, V
EE
= -5V, R
L
= 200I,
C
L
= 30pF, f = 1MHz
-80 dB
LOGIC TIMING (CLR, DIN, DOUT, CLK, LE) (Figure 1)
CLK Period t
CP
V
DD
= 3V Q10%
50
ns
V
DD
= 1.8V Q10%
100
CLK High Time t
CH
V
DD
= 3V Q10%
20
ns
V
DD
= 1.8V Q10%
45
CLK Low Time t
CL
V
DD
= 3V Q10%
20
ns
V
DD
= 1.8V Q10%
45
CLK to DOUT Delay t
DO
V
DD
= 3V Q10%, C
L
P 20pF
3 30
ns
V
DD
= 1.8V Q10%, C
L
P 20pF
7 70
DIN to CLK Setup Time t
DS
V
DD
= 3V Q10%
10
ns
V
DD
= 1.8V Q10%
16
DIN to CLK Hold Time t
DH
V
DD
= 3V Q10%
4
ns
V
DD
= 1.8V Q10%
4
CLK to LE Setup Time
t
CS
V
DD
= 3V Q10%
36
ns
V
DD
= 1.8V Q10%
65
LE Low Pulse Width
t
WL
V
DD
= 3V Q10%
14
ns
V
DD
= 1.8V Q10%
22
CLR High Pulse Width t
WC
V
DD
= 3V Q10%
20
ns
V
DD
= 1.8V Q10%
40