MAX4752 Maxim, MAX4752 Datasheet - Page 8

• Manufacturer Part Number: MAX4752
• Description: The MAX4751/MAX4752/MAX4753 are low on-resistance, low-voltage, quad, single-pole/single-throw (SPST) analog switches that operate from a single +1
• Manufacturer: Maxim

0.9Ω, Low-Voltage, Single-Supply Quad SPST
Analog Switches
Figure 2. Charge Injection
Figure 4. Off-Isolation, On-Loss, and Crosstalk
8
_______________________________________________________________________________________
V
V
IN
OUT
V
IN
∆V
ERROR Q WHEN THE CHANNEL TURNS OFF.
Q = ∆V
V+
0
OUT
OUT
IS THE MEASURED VOLTAGE DUE TO CHARGE TRANSFER
IN_
x C
L
MAX4751
MAX4752
MAX4753
MAX4752
GND
V+
V+
V+
COM_
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.
NO_
NC_
OR
MAX4751
R
IN_
GEN
MAX4751
MAX4752
MAX4753
C
1000pF
L
∆V
V
GND
OUT
OUT
V
V+
V+
GEN
COM_
0.1µF
Test Circuits/Timing Diagrams (continued)
NO_
NC_
OR
*
Figure 3. NO_, NC_, and COM_ Capacitance
REQUIRED
V
OUT
V
IN
*ADD 50Ω TERMINATION FOR
ON-LOSS = 20log
OFF-ISOLATION = 20log
OFF-ISOLATION
AS
MEAS
50Ω
50Ω
ANALYZER
NETWORK
IN_
50Ω
50Ω
MAX4751
MAX4752
MAX4753
V
REF
V
OUT
IN
GND
V+
V+
V
OUT
V
IN
COM_
NO_
NC_
OR
CAPACITANCE
ANALYZER
1MHz