Datasheet
MAX4800A/MAX4802A
Low-Charge-Injection, 8-Channel, High-Voltage
Analog Switches with 20MHz Serial Interface
_______________________________________________________________________________________ 3
ELECTRICAL CHARACTERISTICS (continued)
(V
DD
= +2.7V to +6V, V
PP
= +40V to (V
NN
+ 200V), V
NN
= -40V to -160V, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values
are at T
A
= +25°C.) (Note 2)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
T
A
= 0°C 23
T
A
= +25°C 20 25
I
COM
= 5mA
T
A
= +70°C 30
T
A
= 0°C 22
T
A
= +25°C 16 25
Small-Signal Switch
On-Resistance
R
ONS
V
PP
= +160V,
V
NN
= -40V
I
COM
=
200mA
T
A
= +70°C 27
Small-Signal Switch
On-Resistance Matching
R
ONS
V
PP
= +100V, V
NN
= -100V,
V
COM_
= 0V, I
COM
= 5mA
5 20 %
Large-Signal Switch
On-Resistance
R
ONL
V
COM_
= V
PP
- 10V, I
COM
= 1A 15
Shunt Resistance
(MAX4802A only)
R
INT
NO_ or COM_ to RGND, switch off 30 35 50 k
0 2
Switch-Off Leakage
I
COM_(OFF),
I
NO_(OFF)
V
COM_
, V
NO_
= V
PP
- 10V or unconnected;
(MAX4800A only)
10
μA
Switch-Off DC Offset
R
L
= 100k (MAX4800A),
no load (MAX4802A)
0 10 mV
Switch-On DC Offset
R
L
=100k (MAX4800A),
no load (MAX4802A)
0 10 mV
T
A
= 0°C 3
T
A
= +25°C 2 3
Switch-Output Peak Current
(Note 4)
I
COM_
duty cycle 0.1%
T
A
= +70°C 2
A
Switch-Output Isolation Diode
Current
300ns pulse width, 2% duty cycle (Note 4) 300 mA
SWITCH DYNAMIC CHARACTERISITICS
f = 5MHz, R
L
= 1k, C
L
= 15pF -30 -33
Off-Isolation (Note 4) V
ISO
f = 5MHz, R
L
= 50 -58 -77
dB
Crosstalk V
CT
f = 5MHz, R
L
= 50 (Note 4) -60 -80 dB
COM_, NO_
Off-Capacitance
C
COM_(OFF),
C
NO_ (OFF)
V
COM_
= 0V, V
NO_
= 0V, f = 1MHz (Note 4) 4 11 18 pF
COM_ On-Capacitance
C
COM_
(ON)
V
COM_
= 0V, f = 1MHz (Note 4) 20 36 56 pF
Output Voltage Spike V
SPK
R
L
= 50 (Note 4) -150 +150 mV
V
PP
= +40V, V
NN
= -160V, V
COM_
= 0V 820
V
PP
= +100V, V
NN
= -100V, V
COM_
= 0V 600
Charge Injection
(MAX4802A only)
Q
V
PP
= +160V, V
NN
= -40V, V
COM_
= 0V 350
pC
LOGIC LEV EL S
Logic-Input Low Voltage V
IL
0.75 V
Logic-Input High Voltage V
IH
V
DD
-
0.75
V