MAX4644EUA+T Maxim Integrated Products, MAX4644EUA+T Datasheet - Page 9

• Manufacturer Part Number: MAX4644EUA+T
• Description: IC SWITCH SPDT 8UMAX
• Manufacturer: Maxim Integrated Products

Specifications of MAX4644EUA+T

• Function: Switch
• Circuit: 1 x SPDT
• On-state Resistance: 4 Ohm
• Voltage Supply Source: Single Supply
• Voltage - Supply, Single/dual (±): 1.8 V ~ 5.5 V
• Current - Supply: 1µA
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Figure 3. Off-Isolation and On-Loss
Figure 4. Charge Injection
V
OUT
V
IN
V
IN
ΔV
ERROR Q WHEN THE CHANNEL TURNS OFF.
Q = ΔV
V+
0
OUT
50Ω
IS THE MEASURED VOLTAGE DUE TO CHARGE TRANSFER
OUT
IN
x C
_______________________________________________________________________________________
L
MAX4644
V+
GND
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
IN
MAX4644
V
GND
NO
C
1000pF
V+
V+
L
ΔV
OR V
V
High-Speed, Low-Voltage, 4 Ω ,
OUT
OUT
0.1μF
NC
COM
NO
NC
OR
= 0V
SPDT CMOS Analog Switch
50Ω
Figure 5. NO, NC, and COM Capacitance
REQUIRED
V
AS
OUT
V
IN
OFF-ISOLATION = 20log
MEAS
50Ω
IN
ON-LOSS = 20log
50Ω
ANALYZER
NETWORK
MAX4644
50Ω
GND
V+
V+
50Ω
REF
V
V
V
COM
OUT
V
OUT
IN
IN
NO
NC
OR
CAPACITANCE
ANALYZER
1MHz
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