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MAX4730EXT+T

P1-P3P4-P6P7-P9
Low-Voltage 3.5
ΩΩ
, SPDT,
CMOS Analog Switches
4 Maxim Integrated
MAX4729/MAX4730
0
1.0
2.0
1.5
2.5
3.0
021345
ON-RESISTANCE vs. V
COM
(V+ = +5V)
MAX4729 toc04
COM VOLTAGE (V)
R
ON
(Ω)
T
A
= -40°C
T
A
= +25°C
T
A
= +85°C
-100
100
0
300
200
400
500
-40 10-15 35 60 85
ON/OFF-LEAKAGE CURRENT
vs. TEMPERATURE
MAX4729 toc05
TEMPERATURE (
°
C)
ON/OFF-LEAKAGE CURRENT (pA)
ON, V
CC
= 5V
OFF, V
CC
= 5V
ON, V
CC
= 3V
OFF, V
CC
= 3V
0
20
10
40
30
50
60
021345
CHARGE INJECTION vs. V
COM
MAX4729 toc06
V
COM
(V)
CHARGE INJECTION (pC)
1.8V
5V
3V
0
200
600
400
800
1000
-40 10-15 35 60 85
SUPPLY CURRENT vs. TEMPERATURE
MAX4729 toc07
TEMPERATURE (°C)
SUPPLY CURRENT (pA)
V+ = 5V
V+ = 3V
0.001
100
10,000
1000
100,000
1,000,000
SUPPLY CURRENT
vs. LOGIC INPUT VOLTAGE
MAX4729 toc08
LOGIC INPUT VOLTAGE (V)
SUPPLY CURRENT (nA)
02 46
10
1
0.1
0.01
V+ = 5V
V+ = 3V
0
10
5
20
15
30
25
35
t
ON
/t
OFF
vs. SUPPLY VOLTAGE
MAX4729 toc09
SUPPLY VOLTAGE (V)
t
ON
/t
OFF
(ns)
1.5 2.5 3.5 4.5 5.5
t
ON
t
OFF
Typical Operating Characteristics
(T
A
= +25°C, unless otherwise noted.)
0
10
5
20
15
25
30
021345
ON-RESISTANCE vs. V
COM
MAX4729 toc01
V
COM
(V)
R
ON
(Ω)
V+ = 1.8V
V+ = 2.5V
V+ = 3V
V+ = 4.5V
V+ = 5V
0
5
10
15
20
25
30
35
40
00.60.3 0.9 1.2 1.5 1.8
ON-RESISTANCE vs. V
COM
(V+ = +1.8V)
MAX4729 toc02
V
COM
(V)
R
ON
(Ω)
T
A
= -40°C
T
A
= +25°C
T
A
= +85°C
0
1
3
2
4
5
01.00.5 1.5 2.0 2.5 3.0
ON-RESISTANCE vs. V
COM
(V+ = +3V)
MAX4729 toc03
V
COM
(V)
R
ON
(Ω)
T
A
= -40°C
T
A
= +25°C
T
A
= +85°C
Low-Voltage 3.5
ΩΩ
, SPDT,
CMOS Analog Switches
Maxim Integrated 5
MAX4729/MAX4730
0
10
5
20
15
25
30
-40 10-15 35 60 85
MAX4729 toc10
TEMPERATURE (
°
C)
t
ON
/t
OFF
(ns)
V+ = 3V
t
ON
/t
OFF
vs. TEMPERATURE
t
ON
t
OFF
V+ = 5V
V+ = 3V
V+ = 5V
OFF-ISOLATION
MAX4729 toc11
FREQUENCY (MHz)
RESPONSE (dB)
100101
-80
-70
-60
-50
-40
-30
-20
-10
0
-90
0.1 1000
V+ = 3V
V+ = 5V
50
Ω
IN AND OUT
CROSSTALK
MAX4729 toc12
FREQUENCY (MHz)
RESPONSE (dB)
100101
-80
-70
-60
-50
-40
-30
-20
-10
0
-90
0.1 1000
V+ = 3V
V+ = 5V
50
Ω
IN AND OUT
ON-LOSS BANDWIDTH
MAX4729 toc13
FREQUENCY (MHz)
RESPONSE (dB)
1001010.1
-6
-5
-4
-3
-2
-1
0
-7
0.01 1000
V+ = 3V
V+ = 5V
50
Ω
IN AND OUT
TOTAL HARMONIC DISTORTION
vs. FREQUENCY
MAX4729 toc14
FREQUENCY (kHz)
THD (%)
1010.1
0.01
0.02
0.03
0.04
0.05
0.06
0
0.01 100
OUTPUT IMPEDANCE = 600
Ω
f = 20Hz to 20kHz
V+ = 3V, V
GEN
= 3V
P-P
V+ = 3V, V
GEN
= 2V
P-P
V+ = 5V, V
GEN
= 5V
P-P
V+ = 5V, V
GEN
= 3V
P-P
TOTAL HARMONIC DISTORTION
vs. FREQUENCY
MAX4729 toc15
FREQUENCY (kHz)
THD (%)
1010.1
0.01
0.02
0.03
0.04
0.05
0.06
0
0.01 100
OUTPUT IMPEDANCE = 600
Ω
MAX4730
V+ = 3V, V
GEN
= 3V
P-P
V+ = 3V, V
GEN
= 2V
P-P
V+ = 5V, V
GEN
= 5V
P-P
V+ = 5V, V
GEN
= 3V
P-P
Typical Operating Characteristics (continued)
(T
A
= +25°C, unless otherwise noted.)
Pin Description
PIN
MAX4729 MAX4730
SC70 µDFN SC70/µDFN
NAME FUNCTION
1 3 6 IN Logic-Control Input
2 2 5 V+ Positive Supply Voltage
3 4 2 GND Ground
4 6 3 NC Analog Switch Normally Closed Terminal
5 5 4 COM Analog Switch Common Terminal
6 1 1 NO Analog Switch Normally Open Terminal
Low-Voltage 3.5
ΩΩ
, SPDT,
CMOS Analog Switches
6 Maxim Integrated
MAX4729/MAX4730
50%
0V
R
L
IN
V
IN
V+
t
OFF
0V
t
ON
C
L
V+
V
COM
MAX4729
MAX4730
GND
t
r
< 5ns
t
f
< 5ns
NO/NC
V
NO/NC
V+
OPEN
NC/NO
COM
R
L
IN
V
IN
C
L
V+
V
COM
MAX4729
MAX4730
GND
NO
V
S
V+
V
S
NC
COM
IN
50%
90%90%
V
NO/NC
V
COM
50%
0V
V+
t
BBM
IN
50%
90%
V
S
V
COM
0V
90%
t
BBM
t
BBM =
t
ON(NC) -
t
OFF(NO)
OR t
BBM =
t
ON(NO) -
t
OFF(NC)
Figure 1. Switching Times
Detailed Description
The MAX4729/MAX4730 single-pole/double-throw
(SPDT) switches operate from a single supply ranging
from +1.8V to +5.5V. These switches provide low 3.5Ω
on-resistance (R
ON
), as well as 0.45Ω R
ON
flatness with
a 2.7V supply. These devices typically consume only
1nA of supply current, making them suitable for use in
low-power, portable applications. The MAX4729/
MAX4730 feature low-leakage currents over the entire
temperature range, TTL/CMOS-compatible digital logic,
and excellent AC characteristics.
Applications Information
Digital Control Inputs
The MAX4729/MAX4730 logic inputs accept up to +5.5V,
regardless of supply voltage. For example, with a +3.3V
supply, IN can be driven low to GND and high to +5.5V,
allowing for mixing of logic levels in a system. With a 2.7V
to 3.6V power-supply voltage range, the logic thresholds
are set so V
IL
= 0.4V (max) and V
IH
= 2V (min).
Power-Supply Sequencing
and Overvoltage Protection
Caution: Do not exceed the absolute maximum ratings
because stresses beyond the listed ratings can cause
permanent damage to the device. Proper power-supply
sequencing is recommended for all CMOS devices.
Always apply V+ before applying analog signals, espe-
cially if the analog signal is not current limited.
P1-P3P4-P6P7-P9

MAX4730EXT+T

Mfr. #:
Buy MAX4730EXT+T
Manufacturer:
Maxim Integrated
Description:
Analog Switch ICs 3.5Ohm Dual SPST Analog Switch
Lifecycle:
New from this manufacturer.
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