Datasheet

MAX320/MAX321/MAX322
Precision, Dual-Supply, SPST
Analog Switches
_______________________________________________________________________________________ 3
ELECTRICAL CHARACTERISTICS
(V+ = +5V ±10%, V- = -5V ±10%, V
INH
= 3.5V, V
INL
= 2.5V, T
A
= T
MIN
to T
MAX
, unless otherwise noted.)
PARAMETER SYMBOL
MIN TYP MAX
(Note 2)
UNITS
Input Current with Input
Voltage High
I
INH
-0.5 0.005 0.5 µA
CONDITIONS
Input Current with Input
Voltage Low
I
INL
-0.5 0.005 0.5 µA
Turn-On Time t
ON
65 150
ns
Charge Injection
(Note 3)
Q 25pC
C
L
= 1.0nF, V
GEN
= 0V,
R
GEN
= 0Ω, Figure 4
T
A
= +25°C
T
A
= T
MIN
to T
MAX
175
V
COM
= ±3V, Figure 2
T
A
= +25°C
T
A
= T
MIN
to T
MAX
150
V
COM
= ±3V, Figure 2Turn-Off Time t
OFF
35 100
ns
Power-Supply Range
MAX322 only, R
L
= 300Ω, C
L
= 35pF, Figure 3
Break-Before-Make
Time Delay (Note 3)
t
D
25 ns
T
A
= +25°C
T
A
= +25°C
R
L
= 50Ω, C
L
= 5pF,
f = 1MHz, Figure 5
Off Isolation (Note 7) OIRR 72 dB
T
A
= +25°C
R
L
= 50Ω, C
L
= 5pF,
f = 1MHz, Figure 6
Crosstalk (Note 8) 85 dB
T
A
= +25°Cf = 1MHz, Figure 7NC or NO Capacitance C
(OFF)
9 pF
T
A
= +25°Cf = 1MHz, Figure 7COM Off Capacitance C
COM(OFF)
9 pF
T
A
= +25°Cf = 1MHz, Figure 8COM On Capacitance C
COM(ON)
pF
±2.7 ±8 V
Positive Supply Current
22
I+
V+ = 5.5V, V- = -5.5V,
V
IN
= 0V or V+,
all channels on or off
T
A
= T
MIN
to T
MAX
-200 200
µA
Negative Supply
Current
I-
V+ = 5.5V, V- = -5.5V,
V
IN
= 0V or V+,
all channels on or off
T
A
= +25°C -125 80 125
µA
Note 2: The algebraic convention where the most negative value is a minimum and the most positive value a maximum is used in
this data sheet.
Note 3: Guaranteed by design.
Note 4: ∆R
ON
= ∆R
ON
max - ∆R
ON
min.
Note 5: Flatness is defined as the difference between the maximum and minimum value of on-resistance as measured over the
specified analog signal range.
Note 6: Leakage parameters are 100% tested at maximum rated hot temperature and guaranteed by correlation at +25°C.
Note 7: Off Isolation = 20 log
10
[ V
COM
⁄ (V
NC or
V
NO
) ], V
COM
= output, V
NC or
V
NO
= input to off switch.
Note 8: Between any two switches.
T
A
= T
MIN
to T
MAX
T
A
= +25°C
-200 200
-125 80 125
Input Voltage High V
INH
3.5
V
3V < V+ < 8V, V- ≤ 0V
V+ = 5V ±10%, V- ≤ 0V
V+ - 1.5
Input Voltage Low V
INL
2.5
V
3V < V+ < 8V, V- ≤ 0V
V+ = 5V ±10%, V- ≤ 0V
V+ - 2.5
LOGIC INPUT
DYNAMIC
SUPPLY