參數(shù)資料
型號(hào)： MAX4750
廠商： Maxim Integrated Products, Inc.
英文描述： 50＜img src=http://dbserv.maxim-ic.com/images/ohm.gif width=12 height=9 Low-Voltage.Quad SPST/Dual SPDT Analog Switches in UCSP
中文描述： 50Ω、低電壓、四路SPST/雙路SPDT模擬開關(guān)，UCSP封裝
文件頁(yè)數(shù)： 7/12頁(yè)
文件大?。?/td> 318K
代理商： MAX4750
Applications Information
Operating Considerations for
High-Voltage Supply
The MAX4731/MAX4732/MAX4733 operate to +11V
with some precautions. The absolute maximum rating
for V+ is +12V (referenced to GND). When operating
near this region, bypass V+ with a minimum 0.1μF
capacitor to ground as close to the IC as possible.
Logic Levels
The MAX4731/MAX4732/MAX4733 are TTL compatible
when powered from a single +5V supply. When pow-
ered from other supply voltages, the logic inputs should
be driven rail-to-rail. For example, with a +11V supply,
IN1 and IN2 should be driven low to 0V and high to
11V. With a +3.3V supply, IN1 and IN2 should be dri-
ven low to 0V and high to 3.3V. Driving IN1 and IN2 rail-
to-rail minimizes power consumption.
Analog Signal Levels
Analog signals that range over the entire supply volt-
age (GND to V+) pass with very little change in R
ON
(see
Typical Operating Characteristics
). The bidirec-
tional switches allow NO_, NC_, and COM_ connec-
tions to be used as either inputs or outputs.
M
50
Dual SPST Analog Switches in UCSP
_______________________________________________________________________________________
7
Pin Description
Typical Operating Characteristics (continued)
(T
A
= +25
°
C, unless otherwise noted.)
TURN-ON/OFF TIME
vs. TEMPERATURE
M
TEMPERATURE (
°
C)
t
O
60
40
-20
0
20
10
20
30
40
50
60
70
80
0
-40
80
t
,
V+ = +3.0V
t
ON
,
V+ = +5.0V
t
OFF
,
V+ = +3.0V
t
OFF
,
V+ = +5.0V
FREQUENCY RESPONSE
M
FREQUENCY (Hz)
L
100M
10M
1M
100k
-100
-80
-60
-40
-20
0
-120
10k
1G
ON-LOSS
V+ = +3V
OFF-ISOLATION
CROSSTALK
TOTAL HARMONIC DISTORTION
vs. FREQUENCY
M
FREQUENCY (Hz)
T
10k
1k
100
0.001
0.01
0.1
1
0.0001
10
100k
V
COM
= 2V
P-P
BW = 30kHz
R
L
= 1k
V+ = +3.0V
R
= 1k
V+ = +5.0V
R
L
= 100k
V+ = +3.0V
R
= 100k
V+ = +5.0V
PIN
MAX4731
UCSP
A1
A2
A3
B1
B3
C1
C2
C3
—
—
MAX4732
UCSP
—
A2
A3
B1
B3
C1
C2
—
A1
C3
MAX4733
UCSP
A1
A2
A3
B1
B3
C1
C2
—
—
C3
μMAX
1
2
4
7
3
8
6
5
—
—
μMAX
—
2
4
7
3
8
6
—
1
5
μMAX
1
2
4
7
3
8
6
—
—
5
NAME
FUNCTION
NO1
COM1
GND
IN1
IN2
V+
COM2
NO2
NC1
NC2
Analog-Switch Normally Open Terminal
Analog-Switch Common Terminal
Ground. Connect to digital ground.
Logic-Control Digital Input
Logic-Control Digital Input
Positive Supply Voltage Input
Analog-Switch Common Terminal
Analog-Switch Normally Open Terminal
Analog-Switch Normally Closed Terminal
Analog-Switch Normally Closed Terminal
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