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PDF MAX4529ESA Data sheet ( Hoja de datos )
| Número de pieza | MAX4529ESA | |
| Descripción | Low-Voltage / Bidirectional RF/Video Switch | |
| Fabricantes | Maxim Integrated | |
| Logotipo |  |
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19-1262; Rev 0; 3/98
Low-Voltage, Bidirectional
RF/Video Switch
General Description
The MAX4529 is a low-voltage T-switch designed for
switching RF and video signals from DC to 300MHz in
50Ω and 75Ω systems. This switch is constructed in a
“T” configuration, ensuring excellent high-frequency off
isolation of -80dB at 10MHz.
The MAX4529 can handle Rail-to-Rail® analog signals
in either direction. On-resistance (70Ω max) is flat (0.5Ω
max) over the specified signal range, using ±5V sup-
plies. The off leakage current is less than 1nA at +25°C
and 20nA at +85°C.
This CMOS switch can operate with dual power sup-
plies ranging from ±2.7V to ±6V or a single supply
between +2.7V and +12V. All digital inputs have
0.8V/2.4V logic thresholds, ensuring both TTL- and
CMOS-logic compatibility when using ±5V or a single
+5V supply.
____________________________Features
o High 50Ω Off Isolation: -80dB at 10MHz
o DC to 300MHz -3dB Signal Bandwidth
o 70Ω Signal Paths with ±5V Supplies
o 10Ω Signal-Path Flatness with ±5V Supplies
o ±2.7V to ±6V Dual Supplies
+2.7V to +12V Single Supply
o Low Power Consumption: <1µW
o Rail-to-Rail Bidirectional Signal Handling
o >2kV ESD Protection per Method 3015.7
o TTL/CMOS-Compatible Inputs with
Single +5V or ±5V
Ordering Information
________________________Applications
RF Switching
Video Signal Routing
High-Speed Data Acquisition
Test Equipment
ATE Equipment
Networking
PART
TEMP. RANGE
PIN-
PACKAGE
SOT
TOP MARK
MAX4529CPA 0°C to +70°C 8 Plastic DIP
MAX4529CSA 0°C to +70°C 8 Narrow SO
MAX4529CUA 0°C to +70°C 8 µMAX
MAX4529CUT-T 0°C to +70°C 6 SOT23-6
MAX4529C/D
0°C to +70°C Dice*
MAX4529EPA -40°C to +85°C 8 Plastic DIP
MAX4529ESA -40°C to +85°C 8 Narrow SO
MAX4529EUA -40°C to +85°C 8 µMAX
MAX4529EUT-T -40°C to +85°C 6 SOT23-6
*Contact factory for dice specifications.
—
—
—
AAAQ
—
—
—
—
AAAQ
_______________________Pin Configurations/Functional Diagrams/Truth Table
MAX4529
MAX4529
N.C. 1
NC 2
GND 3
IN 4
8 V+
7 COM
6 N.C.
5 V-
DIP/SO/µMAX
LOGIC
0
1
SWITCH
ON
OFF
NC 1
V+ 2
V- 3
SOT23-6
6 COM
5 GND
4 IN
N.C. = NOT INTERNALLY CONNECTED
Rail-to-Rail is a registered trademark of Nippon Motorola Ltd.
________________________________________________________________ Maxim Integrated Products 1
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800.
For small orders, phone 408-737-7600 ext. 3468.
1 page  
Low-Voltage, Bidirectional
RF/Video Switch
ELECTRICAL CHARACTERISTICS—Single +3V Supply
(V+ = +2.7V to +3.6V, V- = 0V, VINL = 0.4V, VINH = 2.4V, VGND = 0V, TA = TMIN to TMAX, unless otherwise noted. Typical values are
at TA = +25°C.)
PARAMETER
SYMBOL
CONDITIONS
ANALOG SWITCH
Analog Signal Range
VCOM, VNC
Signal-Path On-Resistance
RON
LOGIC INPUT
IN Input Logic Threshold High
VINH
IN Input Logic Threshold Low
VINL
IN Input Current Logic High or Low IINH, IINL
SWITCH DYNAMIC CHARACTERISTICS
(Note 3)
V+ = 2.7V, VCOM = 1.5V,
ICOM = 0.1mA
(Note 3)
(Note 3)
VIN = 0.4V or 2.4V (Note 3)
Turn-On Time
tON
VCOM = 1.5V, V+ = 2.7V,
Figure 2 (Note 3)
Turn-Off Time
tOFF
VCOM = 1.5V, V+ = 2.7V,
Figure 2 (Note 3)
POWER SUPPLY
V+ Supply Current
I+ V+ = 3.6V, VIN = 0V or V+
TA
MIN
TYP
(Note 2)
MAX
UNITS
+25°C
0
V+ V
+25°C
C, E
175 400
Ω
500
C, E 1.0 2.4 V
C, E 0.4 1.0
V
C, E -1
1 µA
+25°C
C, E
+25°C
C, E
150 300
ns
400
70 150
ns
200
+25°C
-1 0.05
1
µA
C, E -10
10
Note 2: The algebraic convention is used in this data sheet; the most negative value is shown in the minimum column.
Note 3: Guaranteed by design.
Note 4: Resistance flatness is defined as the difference between the maximum and the minimum value of on-resistance as
measured over the specified analog signal range.
Note 5: Leakage parameters are 100% tested at the maximum rated hot temperature and guaranteed by correlation at +25°C.
Note 6: Guaranteed by design, not subject to production testing in SOT package.
Note 7: Off isolation = 20log10 (VCOM / VNC), VCOM = output, VNC = input to off switch.
Note 8: Leakage testing for single-supply operation is guaranteed by testing with dual supplies.
__________________________________________Typical Operating Characteristics
(V+ = +5V, V- = -5V, GND = 0V, TA = +25°C, packages are surface mount, unless otherwise noted.)
ON-RESISTANCE vs. VCOM
(DUAL SUPPLIES)
1000
V+ = 1.2V
V- = -1.2V
ON-RESISTANCE vs. VCOM
(SINGLE SUPPLY)
1000
V+ = 1.2V
V- = 0V
V+ = 2.0V
V+ = 2.0V
V- = -2.0V
100
V+ = 2.7V
V- = -2.7V
100
V+ = 2.7V
V+ = 3.3V
V+ = 5.0V
V+ = 5.0V
V- = -5.0V
V+ = 3.3V
V- = -3.3V
10
-5 -4 -3 -2 -1 0 1 2 3 4 5
VCOM (V)
V+ = 7.5V
V+ = 10.0V
10
0 1 2 3 4 5 6 7 8 9 10
VCOM (V)
ON-RESISTANCE vs. VCOM AND
TEMPERATURE (DUAL SUPPLIES)
70
+125°C
60
+85°C
50
+70°C +25°C
40
0°C
30
20 -40°C
-55°C
10 V+ = 5V
V- = -5V
0
-5 -4 -3 -2 -1 0 1 2 3 4 5
VCOM (V)
_______________________________________________________________________________________ 5
5 Page 
Low-Voltage, Bidirectional
RF/Video Switch
_________________________________Test Circuits/Timing Diagrams (continued)
+5V 10nF
0V OR V+ IN
V+
NC
MAX4529
COM
GND V-
VIN
VOUT
10nF -5V
MEASUREMENTS ARE STANDARDIZED AGAINST SHORT AT IC TERMINALS.
OFF ISOLATION IS MEASURED BETWEEN COM_ AND "OFF" NC TERMINAL.
ON LOSS IS MEASURED BETWEEN COM_ AND "ON" NC TERMINAL.
NETWORK
ANALYZER
50Ω 50Ω
MEAS
50Ω
REF
50Ω
OFF ISOLATION = 20log VOUT
VIN
ON LOSS = 20log
VOUT
VIN
SIGNAL DIRECTION THROUGH SWITCH IS REVERSED; WORST VALUES ARE RECORDED.
V- IS CONNECTED TO GND (0V) FOR SINGLE-SUPPLY OPERATION.
Figure 4. On Loss and Off Isolation
10nF +5V
0V OR V+
IN V+
NC
MAX4529
COM
GND V-
10nF
-5V
Figure 5. NC and COM Capacitance
___________________Chip Topography
V+
NC COM
1MHz
CAPACITANCE
ANALYZER
N.C.
GND
IN
0.054"
(1.372mm)
N.C.
V-
0.038"
(0.965mm)
TRANSISTOR COUNT: 78
SUBSTRATE INTERNALLY CONNECTED TO V-
N.C. = NO CONNECTION
______________________________________________________________________________________
11
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| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet MAX4529ESA.PDF ] | |
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