Datasheet

MAX349/MAX350
Serially Controlled, Low-Voltage,
8-Channel/Dual 4-Channel Multiplexers
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ELECTRICAL CHARACTERISTICS—Dual Supplies (continued)
(V+ = +4.5V to +5.5V, V- = -4.5V to -5.5V, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at T
A
= +25°C.)
V2.4C, E, MV
IH
DIN, SCLK, CS, RESET Input
Voltage Logic Threshold High
MAX350
nA
-50 50M
V+ = 5.5V,
V- = -5.5V,
V
COM
= V
NO
=
±4.5V
COM On-Leakage Current
(Note 3)
I
COM(ON)
-5 5C, E
MAX349
-0.2 0.02 0.2T
A
= +25°C
-100 100M
-10 10C, E
DOUT Output Voltage Logic Low V
DOUT
VI
DOUT
= -1.6mA 0 0.4C, E, M
mV100C, E, M
DOUT Output Voltage Logic High V
DOUT
SCLK
HYST
VI
DOUT
= 0.8mA
SCLK Input Hysteresis
2.8 V+C, E, M
µA-1 0.03 1C, E, M
V
DIN
, V
SCLK
,
V
CS
= 0.8V or 2.4V
I
IH,
I
IL
DIN, SCLK, CS, RESET Input
Current Logic High or Low
V0.8C, E, MV
IL
DIN, SCLK, CS, RESET Input
Voltage Logic Threshold Low
-0.2 0.001 0.2T
A
= +25°C
Turn-On Time t
ON
400
ns
From rising edge of CS
C, E, M
200 275T
A
= +25°C
-2 2
30
C, E, M
C, E, M
R
L
= 50Ω, C
L
= 15pF,
V
NO
= 1V
RMS
, f = 100kHz
Off-Isolation V
ISO
dB
pC
pF
pF
Charge Injection (Note 4)
NO Off-Capacitance
COM Off-Capacitance
V
CTE
C
NO(OFF)
C
COM(OFF)
V
COM
= GND, f = 1MHz
C
L
= 1nF, V
NO
= 0V, R
S
= 0Ω
Break-Before-Make Delay t
BBM
2
ns
V
NO
= GND, f = 1MHz
T
A
= +25°C
2T
A
= +25°C
110
From rising edge of CS
T
A
= +25°C
540T
A
= +25°C
PARAMETER SYMBOL
MIN TYP MAX
(Note 1)
UNITS
V+ Supply Current I+
720
µA
V- Supply Current I-
-1 0.1 1
µA
Turn-Off Time t
OFF
300
ns
From rising edge of CS
C, E, M
90 150T
A
= +25°C
DIN = CS = SCLK = 0V or V+,
RESET = 0V or V+
DIN = CS = SCLK = 0V or V+,
RESET = 0V or V+
Channel-to-Channel Crosstalk V
CT
dB< -90
R
L
= 50Ω, C
L
= 15pF,
V
NO
= 1V
RMS
, f = 100kHz
T
A
= +25°C
Switch On-Capacitance C
(ON)
> 90
C, E, M
T
A
= +25°C
pF
Power-Supply Range V+, V- ±3 ±8 V
T
A
= +25°C
8
CONDITIONS
V
COM
= V
NO
= GND,
f = 1MHz
T
A
= +25°C
T
A
= +25°C
DIGITAL I/O
SWITCH DYNAMIC CHARACTERISTICS
POWER SUPPLY