MAX4706 Datasheet, PDF (7/11 Pages) Maxim Integrated Products – Low-Voltage, 2ohm, SPST, CMOS Analog Switches

Low-Voltage, 2Ω, SPST,
CMOS Analog Switches
MAX4706
MAX4707
SWITCH
INPUT ^RGEN _COM
V_GEN
GND
V+
V+
NO
OR NC
IN
SWITCH
OUTPUT
VOUT
C_L
LOGIC INPUT (0 TO V+)
V_OUT
∆V_OUT
V+
ON
OFF
OFF
IN 0V
Q = (∆V_OUT)(C_L)
Figure 3. Charge Injection
V+ 0.1µF
NETWORK
V+
NO
OR
NC
ANALYZER
V_{IN 50Ω}
50Ω ^VREF
50Ω
MAX4706
V_MEAS
MAX4707
MEAS
REF
V+
COM
IN
GND
50Ω 50Ω
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.
OFF-ISOLATION =
20log
V_MEAS
V_REF
ON-LOSS =
20log
V_MEAS
V_REF
Figure 4. Off-Isolation and On-Loss Bandwidth
AS
REQUIRED
V+
V+
NO
OR
NC
MAX4706
MAX4707
IN
COM
GND
f = 1MHz
CAPACITANCE
ANALYZER
Chip Information
TRANSISTOR COUNT: 190
PROCESS: CMOS
Figure 5. Channel Off/On-Capacitance
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