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PDF MAX4733EUA Data sheet ( Hoja de datos )
| Número de pieza | MAX4733EUA | |
| Descripción | 50 Dual SPST Analog Switches in UCSP | |
| Fabricantes | Maxim Integrated | |
| Logotipo |  |
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19-2645; Rev 0; 10/02
50Ω Dual SPST Analog Switches in UCSP
General Description
The MAX4731/MAX4732/MAX4733 low-voltage, dual,
single-pole/single-throw (SPST) analog switches oper-
ate from a single +2V to +11V supply and handle Rail-
to-Rail® analog signals. These switches exhibit low
leakage current (0.1nA) and consume less than 0.5nW
(typ) of quiescent power, making them ideal for battery-
powered applications.
When powered from a +3V supply, these switches fea-
ture 50Ω (max) on-resistance (RON) with 3.5Ω (max)
matching between channels, and 9Ω (max) flatness
over the specified signal range.
The MAX4731 has two normally open (NO) switches,
the MAX4732 has two normally closed (NC) switches,
and the MAX4733 has one NO and one NC switch. The
MAX4731/MAX4732/MAX4733 are available in a
9-bump chip-scale package (UCSP™) and an 8-pin
µMAX package. The tiny UCSP occupies a 1.52mm ✕
1.52mm area and significantly reduces the required PC
board area.
Features
o 1.52mm ✕ 1.52mm UCSP Package
o Guaranteed On-Resistance (RON)
25Ω (max) at +5V
50Ω (max) at +3V
o On-Resistance Matching
3Ω (max) at +5V
3.5Ω (max) at +3V
o Guaranteed <0.1nA Leakage Current at
TA = +25°C
o Single-Supply Operation from +2.0V to +11V
o TTL/CMOS-Logic Compatible
o -108dB Crosstalk (1MHz)
o -72dB Off-Isolation (1MHz)
o Low Power Consumption: 0.5nW (typ)
o Rail-to-Rail Signal Handling
Ordering Information
Applications
Battery-Powered Systems
Audio/Video-Signal Routing
Low-Voltage Data-Acquisition Systems
Cell Phones
Communications Circuits
PDAs
UCSP is a trademark of Maxim Integrated Products, Inc.
Rail-to-Rail is a registered trademark of Nippon Motorola, Ltd.
PART
TEMP
RANGE
PIN/BUMP-
PACKAGE
TOP
MARK
MAX4731EUA
-40°C to +85°C 8 µMAX
—
MAX4731EBL-T* -40°C to +85°C 9 UCSP-9**
ABV
MAX4732EUA
-40°C to +85°C 8 µMAX
—
MAX4732EBL-T* -40°C to +85°C 9 UCSP-9**
ABT
MAX4733EUA
-40°C to +85°C 8 µMAX
—
MAX4733EBL-T* -40°C to +85°C 9 UCSP-9**
ABS
Note: Requires special solder temperature profile described in
the Absolute Maximum Ratings section.
*Future product—contact factory for availability.
**UCSP reliability is integrally linked to the user’s assembly
methods, circuit board material, and environment. See the UCSP
Reliability section of this data sheet for more information.
Pin Configurations/Functional Diagrams/Truth Tables
TOP VIEW
(BUMPS
ON BOTTOM)
NO1
A1
MAX4731
COM1
A2 A3 GND
IN1 B1
B3 IN2
V+ C1 C2 C3 NO2
COM2
UCSP
MAX4731
IN_ NO_
0 OFF
1 ON
SWITCHES SHOWN
FOR LOGIC "0" INPUT
NC1 A1
MAX4732
COM1
A2
A3 GND
IN1 B1
B3 IN2
V+ C1 C2 C3 NC2
COM2
UCSP
MAX4732
IN_ NC_
0 ON
1 OFF
SWITCHES SHOWN
FOR LOGIC "0" INPUT
NO1 A1
MAX4733
COM1
A2 A3 GND
IN1 B1
B3 IN2
V+ C1 C2 C3 NC2
COM2
UCSP
MAX4733
IN_ NO1 NC2
0 OFF ON
1 ON OFF
SWITCHES SHOWN FOR LOGIC "0" INPUT
Pin Configurations/Functional Diagrams/
Truth Tables continued at end of data sheet.
________________________________________________________________ Maxim Integrated Products 1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
1 page  
50Ω Dual SPST Analog Switches in UCSP
ELECTRICAL CHARACTERISTICS—Single +5V Supply
(V+ = +5V ±10%, VIH = +2.0V, VIL = +0.8V, TA = TMIN to TMAX, unless otherwise noted. Typical values are at V+ = +5V, TA = +25°C.)
(Notes 3, 4)
PARAMETER
Crosstalk (Note 10)
SYMBOL
VCT
CONDITIONS
f = 1MHz, VCOM_ = 1VRMS,
RL = 50Ω, CL = 5pF,
Figure 6
TA MIN TYP MAX UNITS
+25°C
-108
dB
NO_ or NC_ Off-Capacitance
COM_ Off-Capacitance
COM_ On-Capacitance
LOGIC INPUT
COFF f = 1MHz, Figure 7
CCOM_(OFF) f = 1MHz, Figure 7
CCOM_(ON) f = 1MHz, Figure 7
+25°C
+25°C
+25°C
20
20
40
pF
pF
pF
Input Logic High
Input Logic Low
Input Leakage Current
SUPPLY
Power-Supply Range
VIH
VIL
IIN VIN_ = 0V or V+
V+
2.0
0.8
-1 +0.005 +1
2.0 11
V
V
µA
V
Positive Supply Current
I+
V+ = +5.5V, VIN_ = 0V or V+,
all switches on or off
0.0001 1
µA
Note 3: The algebraic convention, where the most negative value is a minimum and the most positive value a maximum, is used
in this data sheet.
Note 4: UCSP parts are 100% tested at +25°C only, and guaranteed by design over temperature. µMAX parts are 100% tested at
+85°C and +25°C and guaranteed by design over temperature.
Note 5: ∆RON = RON(MAX) - RON(MIN).
Note 6: UCSP on-resistance matching between channels and on-resistance flatness guaranteed by design.
Note 7: Flatness is defined as the difference between the maximum and minimum value of on-resistance as measured over the
specified analog signal range.
Note 8: Guaranteed by design.
Note 9: Off-Isolation = 20 log10 (VNO_/VCOM_), VNO_ = output, VCOM_ = input to off switch.
Note 10: Between any two switches.
_______________________________________________________________________________________ 5
5 Page 
50Ω Dual SPST Analog Switches in UCSP
Package Information
(The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information,
go to www.maxim-ic.com/packages.)
______________________________________________________________________________________ 11
11 Page | ||
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