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MAX4737EUD-MAX4738EBE-T-MAX4738EUD-MAX4739EBE-T
4.5? Quad SPST Analog Switches in UCSP
General DescriptionThe MAX4737/MAX4738/MAX4739 low-voltage, low on-
resistance (RON), quad single-pole/single throw (SPST)
analog switches operate from a single +1.8V to +5.5V
supply. These devices are designed for USB 1.1 and
audio switching applications.
The MAX4737/MAX4738/MAX4739 feature 4.5ΩRON
(max) with 1.2Ωflatness and 0.4Ωmatching between
channels. These new switches feature guaranteed
operation from +1.8V to +5.5V and are fully specified at
3V and 5V. These switches offer break-before-make
switching (1ns) with tON<80ns and tOFF<40ns at
+2.7V. The digital logic inputs are +1.8V logic compati-
ble with a +2.7V to +3.6V supply.
These switches are packaged in a chip-scale package
(UCSP™), significantly reducing the required PC board
area. The chip occupies only a 2mm ✕2mm area and
has a 4 ✕4 bump array with a bump pitch of 0.5mm.
These switches are also available in a 14-pin TSSOP
package.
ApplicationsBattery-Operated Equipment
Audio/Video-Signal Routing
Low-Voltage Data-Acquisition Systems
Sample-and-Hold Circuits
Data-Acquisition Systems
Communications Circuits
FeaturesUSB 1.1 Signal Switching2ns (max) Differential Skew-3dB Bandwidth: >300MHzLow 20pF On-Channel CapacitanceLow RON
4.5Ω(max) (+3V Supply)(max) (+5V Supply)0.4Ω(max) RON Match (+3V Supply)1.2Ω(max) RON Flatness (+3V Supply)<0.5nA Leakage Current at +25°CHigh Off-Isolation: -55dB (10MHz)Low Crosstalk: -80dB (10MHz)Low Distortion: 0.03%+1.8V CMOS-Logic CompatibleSingle-Supply Operation from +1.8V to +5.5VRail-to-Rail®Signal Handling
MAX4737/MAX4738/MAX4739
4.5ΩQuad SPST Analog Switches in UCSP
Ordering Information19-2633; Rev 0; 10/02
Pin Configurations/Functional Diagrams/Truth TablesUCSP is a trademark of Maxim Integrated Products, Inc.
Rail-to-Rail is a registered trademark of Nippon Motorola, Ltd.
Note:UCSP package requires special solder temperature pro-
file described in the Absolute Maximum Ratings section.
*UCSP reliability is integrally linked to the user’s assembly meth-
ods, circuit board material, and environment. See the UCSP reli-
ability notice in the UCSP Reliability section of this data sheet for
more information.
MAX4737/MAX4738/MAX4739
4.5ΩQuad SPST Analog Switches in UCSP
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS—Single +3V Supply(V+ = +2.7V to +3.6V, VIH= +1.4V, VIL= +0.5V, TA= TMINto TMAX, unless otherwise noted. Typical values are at V+ = +3.0V,
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
(All Voltages Referenced to GND)
V+, IN_...................................................................-0.3V to +6.0V
COM_, NO_, NC_ (Note 1)...........................-0.3V to (V+ + 0.3V)
Continuous Current COM_, NO_, NC_...........................±100mA
Peak Current COM_, NO_, NC_
(pulsed at 1ms, 10% duty cycle)................................±200mA
Continuous Power Dissipation (TA= +70°C)
14-Pin TSSOP (derate 6.3mW/°C above +70°C).........500mW
16-Bump UCSP (derate 8.3mW/°C above +70°C)......659mW
ESD Method 3015.7.............................................................>2kV
Operating Temperature Range...........................-40°C to +85°C
Junction Temperature......................................................+150°C
Storage Temperature Range.............................-65°C to +150°C
Lead Temperature (soldering, 10s).................................+300°C
Bump Temperature (soldering) (Note 2)
Infrared (15s)...............................................................+220°C
Vapor Phase (60s).......................................................+215°C
Note 1:Signals on COM_, NO_, or NC_ exceeding V+ or GND are clamped by internal diodes. Limit forward-diode current to maxi-
mum current rating.
Note 2:This device is constructed using a unique set of packaging techniques that impose a limit on the thermal profile the device
can be exposed to during board level solder attach and rework. This limit permits only the use of the solder profiles recom-
mended in the industry standard specification, JEDEC 020A, paragraph 7.6, table 3 for IR/VPR and convection reflow.
Preheating is required. Hand or wave soldering is not allowed.
MAX4737/MAX4738/MAX4739
4.5ΩQuad SPST Analog Switches in UCSP
ELECTRICAL CHARACTERISTICS—Single +3V Supply (continued)(V+ = +2.7V to +3.6V, VIH= +1.4V, VIL= +0.5V, TA= TMINto TMAX, unless otherwise noted. Typical values are at V+ = +3.0V, = +25°C, unless otherwise noted.) (Notes 3, 4)
MAX4737/MAX4738/MAX4739
4.5ΩQuad SPST Analog Switches in UCSP
ELECTRICAL CHARACTERISTICS—Single +5V Supply(V+ = +4.2V to +5.5V, VIH= +2.0V, VIL= +0.8V, TA= TMINto TMAX, unless otherwise noted. Typical values are at V+ = +5.0V,
ELECTRICAL CHARACTERISTICS—Single +3V Supply (continued)(V+ = +2.7V to +3.6V, VIH= +1.4V, VIL= +0.5V, TA= TMINto TMAX, unless otherwise noted. Typical values are at V+ = +3.0V, = +25°C, unless otherwise noted.) (Notes 3, 4)
MAX4737/MAX4738/MAX4739
4.5ΩQuad SPST Analog Switches in UCSP
ELECTRICAL CHARACTERISTICS—Single +5V Supply (continued)(V+ = +4.2V to +5.5V, VIH= +2.0V, VIL= +0.8V, TA= TMINto TMAX, unless otherwise noted. Typical values are at V+ = +5.0V,
are 100% tested at TMAXand guaranteed by design over the specified temperature range.
Note 4:The algebraic convention used in this data sheet is where the most negative value is a minimum and the most positive
value is a maximum.
Note 5:Guaranteed by design for UCSP parts.
Note 6:∆RON= RON(MAX)- RON(MIN).
Note 7:Flatness is defined as the difference between the maximum and minimum value of on-resistance as measured over the
specified analog signal ranges.
Note 8:Guaranteed by design.
Note 9:Off-Isolation = 20log10(VCOM/ VNO), VCOM= output, VNO= input to off switch.
Note 10:Between any two switches.
MAX4737/MAX4738/MAX4739
4.5ΩQuad SPST Analog Switches in UCSP
LEAKAGE CURRENT vs. TEMPERATUREMAX4737/38/39 toc04a
TEMPERATURE (°C)
LEAKAGE CURRENT (pA)3510-15
LEAKAGE CURRENT vs. TEMPERATURE
MAX4737/38/39 toc04b
TEMPERATURE (°C)
LEAKAGE CURRENT (pA)3510-15
CHARGE INJECTION vs. VCOM
MAX4737/38/39 toc05
VCOM (V)
CHARGE INJECTION (pC)321
SUPPLY CURRENT vs. TEMPERATUREMAX4737/38/39 toc06
TEMPERATURE (°C)
SUPPLY CURRENT (nA)3510-15
SUPPLY CURRENT vs. LOGIC LEVEL
MAX4737/38/39 toc07
LOGIC LEVEL (V)
SUPPLY CURRENT (321
TURN-ON/OFF TIME
vs. SUPPLY VOLTAGE
MAX4737/38/39 toc08
SUPPLY VOLTAGE (V)
tON
OFF
(ns)
ON-RESISTANCE vs. VCOM
MAX4737/38/39 toc01
VCOM (V)321
ON-RESISTANCE vs. VCOMMAX4737/38/39 toc02
VCOM (V)
ON-RESISTANCE vs. VCOM
MAX4737/38/39 toc03
VCOM (V)321
Typical Operating Characteristics(TA = +25°C, unless otherwise noted.)
MAX4737/MAX4738/MAX4739
4.5ΩQuad SPST Analog Switches in UCSP
RISE TIME TO FALL TIME MISMATCH
vs. SUPPLY VOLTAGEMAX4737/38/39 toc12
SUPPLY VOLTAGE (V)
MISMATCH (ps)
RISE TIME TO FALL TIME MISMATCH
vs. TEMPERATURE
MAX4737/38/39 toc13
TEMPERATURE (°C)
MISMATCH (ps)3510-15
SKEW vs. SUPPLY VOLTAGE
MAX4737/38/39 toc14
SUPPLY VOLTAGE (V)
SKEW (ps)
SKEW vs. TEMPERATURE
MAX4737/38/39 toc15
TEMPERATURE (°C)
SKEW (ps)3510-15
FREQUENCY RESPONSE
MAX4737/38/39 toc16
FREQUENCY (MHz)
ON-LOSS (dB)0.01
Typical Operating Characteristics (continued)
(TA = +25°C, unless otherwise noted.)
MAX4737/MAX4738/MAX4739
4.5ΩQuad SPST Analog Switches in UCSP
Pin Description
Typical Operating Characteristics (continued)(TA = +25°C, unless otherwise noted.)
