MAX383MJE 查看數據表（PDF） - Maxim Integrated
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MAX383MJE Datasheet PDF : 12 Pages
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Precision, Low-Voltage Analog Switches
______________________________________________Test Circuits/Timing Diagrams
LOGIC
+3V
INPUT
0V
SWITCH
OUTPUT
0V
tr < 20ns
50%
tf < 20ns
VOUT
tOFF
0.9 x VOUT
tON
VOUT
0.9 x VOUT
LOGIC INPUT WAVEFORM IS INVERTED FOR
SWITCHES THAT HAVE THE OPPOSITE LOGIC
SENSE CONTROL.
VCOM = +3V (for tON)
COM
VCOM = -3V (for tOFF)
IN
+5V
V+
NC or NO
RL = 1000Ω
CL = 35pF
VOUT
MAX381
MAX383
MAX385
LOGIC
GND
V-
INPUT
0V
-5V
( ) REPEAT TEST FOR EACH SWITCH VOUT = VCOM
RL
RL + RON
FOR LOAD CONDITIONS, SEE Electrical Characteristics.
CL INCLUDES FIXTURE AND STRAY CAPACITANCE.
Figure 2. Switching-Time Test Circuit
LOGIC +3V
INPUT
0V
SWITCH
OUTPUT 1
0V
50%
VOUT1
0.9 x VOUT
SWITCH
VOUT2
OUTPUT 2
0V
tD
0.9 x VOUT
tD
VCOM = +3V COM
COM
VCOM = +3V
IN
LOGIC
GND
INPUT
+5V
V+
NC
MAX383
VOUT1
NO
VOUT2
RL1
CL1
RL2
V-
CL2
0V
-5V
CL INCLUDES FIXTURE AND STRAY CAPACITANCE.
LOGIC 0 INPUT
RL = 1000Ω
CL = 35pF
Figure 3. Break-Before-Make Test Circuit (MAX383 only)
∆VOUT
VOUT
IN
ON
OFF
ON
Q = (∆VOUT) (CL)
RGEN
COM
VGEN
GND
0V
+5V
V+
NC or NO
V-
-5V
MAX381
MAX383
MAX385
VOUT
CL
1.0nF
Figure 4. Charge-Injection Test Circuit
_______________________________________________________________________________________ 9
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