Datasheet

MAX4800/MAX4801/MAX4802
Low-Charge Injection,
8-Channel, High-Voltage Analog Switches
_______________________________________________________________________________________ 5
TIMING CHARACTERISTICS
(V
DD
= +2.7V to +13.2V, V
PP
= +40V to V
NN
+ 200V, V
NN
= -15V to -160V, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values
are at T
A
= +25°C.) (Note 1)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
ANALOG SWITCH
Turn-On Time t
ON
V
NO_
= V
PP
- 10V, R
L
= 10kΩ, V
NN
= -40V
to -160V
5µs
Turn-Off Time t
OFF
V
NO_
= V
PP
- 10V, R
L
= 10kΩ, V
NN
= -40V
to -160V
5µs
Output Switching Frequency f
SW
Duty cycle = 50% 50 kHz
Maximum V
COM_
, V
NO_
Slew
Rate
dV/dt (Note 3) 20 V/ns
LOGIC TIMING (Figure 1)
V
D D
≥ + 4.5V 5
D ai sy chai ni ng
V
D D
≤ + 4.5V 2.5
V
D D
≥ + 4.5V 10
CLK Frequency f
CLK
N o d ai sy chai ni ng
V
D D
< + 4.5V 4
MHz
V
D D
≥ + 4.5V 15
DIN to CLK Setup Time t
DS
V
D D
< + 4.5V 40
ns
V
D D
≥ + 4.5V 35
DIN to CLK Hold Time t
DH
V
D D
< + 4.5V 60
ns
V
D D
≥ + 4.5V 150
CLK to LE Setup Time t
CS
V
D D
< + 4.5V 300
ns
V
D D
≥ + 4.5V 150
LE Low-Pulse Width t
WL
V
D D
< + 4.5V 300
ns
V
D D
≥ + 4.5V 150
CLR High-Pulse Width t
WC
V
D D
< + 4.5V 300
ns
V
D D
≥ + 4.5V ( N ote 3) 1
CLK Rise and Fall Times t
R
, t
F
V
D D
< + 4.5V ( N ote 3) 1
µs
T
A
= 0°C 55 150
T
A
= +25°C 60 150
V
DD
= +5V ±10%,
C
L
≤ 50pF
T
A
= +70°C 70 150
CLK to DOUT Delay t
DO
V
DD
= +3V ±10%,
C
L
≤ 50pF
T
A
= T
MIN
to T
MAX
70 280
ns
Note 1: Specifications at 0°C are guaranteed by correlation and design. Electrical parameters are tested at worst case conditions.
Note 2: The analog signal input V
COM_
and V
NO_
must satisfy V
NN
≤ (V
COM_
, V
NO_
) ≤ V
PP
, or remain unconnected during power-up
and power-down.
Note 3: Guaranteed by characterization; not production tested.