MAX4644EUA+ Maxim Integrated Products, MAX4644EUA+ Datasheet - Page 9
![IC SWITCH SPDT 8UMAX](/photos/1/39/13936/406-8-msop_sml.jpg)
MAX4644EUA+
Manufacturer Part Number
MAX4644EUA+
Description
IC SWITCH SPDT 8UMAX
Manufacturer
Maxim Integrated Products
Type
Analog Switchr
Datasheet
1.MAX4644EUTT.pdf
(10 pages)
Specifications of MAX4644EUA+
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)
Package
8uSOP
Maximum On Resistance
8@2.7V Ohm
Maximum Low Level Output Current
20 mA
Maximum Turn-off Time
7.5@3.3V ns
Maximum Turn-on Time
20@3.3V ns
Switch Architecture
SPDT
Power Supply Type
Single
Number Of Switches
Dual
Switch Configuration
SPDT
On Resistance (max)
4 Ohms
On Time (max)
15 ns
Off Time (max)
5 ns
Off Isolation (typ)
- 80 dB
Supply Voltage (max)
5.5 V
Supply Voltage (min)
1.8 V
Supply Current
0.001 uA
Maximum Power Dissipation
362 mW
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Description/function
Analog Switch
Input Level
CMOS, TTL
Minimum Operating Temperature
- 40 C
Off State Leakage Current (max)
0.25 nA
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
9