MAX4741 Maxim, MAX4741 Datasheet - Page 9

• Manufacturer Part Number: MAX4741
• Description: The MAX4741/MAX4742/MAX4743 are low on-resistance, low-voltage, dual single-pole/single-throw (SPST) analog switches that operate from a single +1
• Manufacturer: Maxim

Figure 2. Off-Isolation, On-Loss, and Crosstalk
Figure 3. Charge Injection
V
V
IN
OUT
0.8 , Low-Voltage, Single-Supply Dual SPST
V
IN
ERROR Q WHEN THE CHANNEL TURNS OFF.
Q = V
V+
V
0
OUT
50
IS THE MEASURED VOLTAGE DUE TO CHARGE TRANSFER
OUT
IN_
x C
_______________________________________________________________________________________
L
MAX4741
MAX4742
MAX4743
MAX4741
GND
V+
V+
V+
MEASUREMENTS ARE STANDARDIZED AGAINST
SHORT AT SOCKET TERMINALS. OFF-ISOLATION IS
MEASURED BETWEEN COM AND “OFF” TERMINAL
ON EACH SWITCH. ON-LOSS IS MEASURED BETWEEN
COM AND “ON” TERMINAL ON EACH SWITCH. SIGNAL
DIRECTION THROUGH SWITCH IS REVERSED; WORST
VALUES ARE RECORDED.
COM_
NO_
NC_
OR
MAX4742
IN_
R
GEN
MAX4741
MAX4742
MAX4743
C
1000pF
L
GND
V
V
OUT
OUT
V
V+
V+
GEN
COM_
0.1 F
NO_
NC_
OR
Test Circuits/Timing Diagrams (continued)
*
Figure 4. NO_, NC_, and COM_ Capacitance
V
OUT
V
REQUIRED
IN
* ADD 50 TERMINATION FOR
OFF-ISOLATION = 20log
ON-LOSS = 20log
OFF-ISOLATION
MEAS
AS
50
50
ANALYZER
NETWORK
IN_
Analog Switches
50
50
V
REF
MAX4741
MAX4742
MAX4743
V
OUT
IN
GND
V+
V+
V
OUT
V
IN
COM_
NO_
NC_
OR
CAPACITANCE
ANALYZER
1MHz
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