MAX391CPE Maxim Integrated Products, MAX391CPE Datasheet - Page 8

• Manufacturer Part Number: MAX391CPE
• Description: Analog Switch ICs
• Manufacturer: Maxim Integrated Products

Specifications of MAX391CPE

• Switch Configuration: SPST
• On Resistance (max): 175 Ohms at 3 V
• On Time (max): 400 ns at 3.6 V
• Off Time (max): 125 ns at 3.6 V
• Supply Voltage (max): 15 V
• Supply Voltage (min): 3 V
• Maximum Power Dissipation: 842 mW
• Maximum Operating Temperature: + 70 C
• Package / Case: PDIP N
• Minimum Operating Temperature: 0 C
• Lead Free Status / Rohs Status: No

Precision, Quad, SPST Analog Switches
Figure 2. Switching Time
Figure 3. Break-Before-Make Interval (MAX393 only)
Figure 4. Charge Injection
8
______________________________________________Test Circuits/Timing Diagrams
_______________________________________________________________________________________
V
LOGIC
INPUT
SWITCH
GEN
V
V
MAX391
MAX392
MAX393
MAX393
COM1
COM2
INPUT
LOGIC
INPUT
= +3V
= +3V
MAX391
MAX392
MAX393
C
V
R
COM
L
GEN
INCLUDES FIXTURE AND STRAY CAPACITANCE.
COM1
COM2
IN
C
V
L
OUT
INCLUDES FIXTURE AND STRAY CAPACITANCE.
GND
COM
COM
IN
= V
GND
GND
0V
COM
(
R
L
R
+ R
IN
L
-5V
+5V
V+
V-
V
ON
IN
)
= +3V
+5V
NC
-5V
NO
V+
OR NC
V-
+5V
NC OR
-5V
V+
V-
NO
NO
R
L2
R
300Ω
L
R
C
C
V
C
L
L
OUT2
L
L2
= 300Ω
= 35pF
SWITCH
OUTPUT
V
OUT
C
35pF
R
L
L1
V
OUT
V
C
OUT1
L1
V
OUT
IN
IN
OUTPUT
SWITCH
LOGIC
INPUT
OFF
OFF
+3V
LOGIC
INPUT
SWITCH
OUTPUT 1
(V
SWITCH
OUTPUT 2
(V
IN DEPENDS ON SWITCH CONFIGURATION;
INPUT POLARITY DETERMINED BY SENSE OF SWITCH.
0V
0V
OUT1
OUT2
)
)
LOGIC INPUT WAVEFORMS INVERTED FOR SWITCHES
THAT HAVE THE OPPOSITE LOGIC SENSE.
Q = (ΔV
+3V
0V
0V
0V
V
OUT
t
ON
50%
ON
ON
OUT
)(C
0.9 x V
L
t D
50%
)
0UT
ΔV
0.9 x V
OUT
t
OFF
OFF
OFF
0UT1
t r < 20ns
t f < 20ns
0.9 x V
t D
OUT
0.9 x V
OUT2