MAX305CSE データシートの表示（PDF） - Maxim Integrated
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MAX305CSE Datasheet PDF : 8 Pages
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Precision, Dual, High-Speed Analog Switches
LOGIC
+3V
INPUT
0V
SWITCH
INPUT
VCOM
tr < 20ns
50%
tf < 20ns
tOFF
VO 0.9VO
SWITCH
OUTPUT
0V
tON
SWITCH
INPUT
-VANA
VO
0.9VO
LOGIC INPUT WAVEFORM IS INVERTED FOR
SWITCHES THAT HAVE THE OPPOSITE LOGIC
SENSE CONTROL
Figure 2. Switching-Time Test Circuit
LOGIC +3V
INPUT
50%
0V
VCOM
VO1
0.9VO
SWITCH 0V
OUTPUT VCOM
VO2
0.9VO
SWITCH 0V
OUTPUT
tD
tD
Figure 3. Break-Before-Make Test Circuit
+5V
SWITCH
VCOM = +10V INPUT
for tON
IN1
VCOM = -10V
for tOFF
LOGIC
INPUT
VL
COM
GND
+15V
V+
V+
NC
OR NO
RL = 1000Ω
CL = 35pF
VO
V-
V-
0V
-15V
REPEAT TEST FOR EACH SWITCH
VO = VCOM
FOR LOAD CONDITIONS, SEE Electrical Characteristics.
CL INCLUDES FIXTURE AND STRAY CAPACITANCE
RL
RL = RON
VCOM_ = +10V
VCOM_ = +10V
IN_
LOGIC
INPUT
+5V
VL
COM_
COM_
GND
+15V
V+
NO
VO1
NC_
VO2
RL1
CL1
RL2
V-
CL2
0V
-15V
RL = 1000Ω
CL = 35pF
CL INCLUDES FIXTURE AND STRAY CAPACITANCE.
LOGIC 0 INPUT.
RGEN
+5V
VL
COM
VGEN
GND
0V
+15V
V+
NC OR NO
V-
-15V
VO
CL
10nF
∆VO
VO
INX
ON
OFF
ON
Q = (∆VO)(CL)
Figure 4. Charge-Injection Test Circuit
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