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MAX4906ELB+MAXIMN/a363avaiHigh-/Full-Speed USB 2.0 Switches
MAX4906FELBMAXN/a3930avaiHigh-/Full-Speed USB 2.0 Switches
MAX4906FELB+MAIXMN/a2500avaiHigh-/Full-Speed USB 2.0 Switches
MAX4906FELB+T |MAX4906FELBTMAXIMN/a1800avaiHigh-/Full-Speed USB 2.0 Switches
MAX4907ELA+ |MAX4907ELAMAXIMN/a93avaiHigh-/Full-Speed USB 2.0 Switches
MAX4907FELA+MAXIMN/a257avaiHigh-/Full-Speed USB 2.0 Switches


MAX4906FELB ,High-/Full-Speed USB 2.0 Switchesapplications at480Mbps. These switches will also handle all the 7pF (max) On-Capacitance (C )ONrequ ..
MAX4906FELB+ ,High-/Full-Speed USB 2.0 SwitchesApplications MAX4907ELA 8 µDFN L822-1MAX4907FELA 8 µDFN L822-1Cell Phones USB SwitchingPDAs Etherne ..
MAX4906FELB+T ,High-/Full-Speed USB 2.0 Switchesapplications. These devices are♦ MAX4907/MAX4907F Ultra-Low 4pF (typ), designed for USB 2.0 high-sp ..
MAX4907ELA+ ,High-/Full-Speed USB 2.0 SwitchesELECTRICAL CHARACTERISTICS(V+ = +3V to +3.6V, T = T to T , unless otherwise noted. Typical values a ..
MAX4907FELA+ ,High-/Full-Speed USB 2.0 SwitchesMAX4906/MAX4606F/MAX4907/MAX4907F19-3797; Rev 2; 1/07High-/Full-Speed USB 2.0 Switches
MAX4908ETD+TCFD ,Dual 3:1 Clickless Audio Multiplexers with Negative-Signal HandlingElectrical Characteristics(V = +2.7V to +5.5V, T = -40°C to +85°C, unless otherwise noted. Typical ..
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MAX9028EBT+ ,UCSP, 1.8V, Nanopower, Beyond-the-Rails Comparators With/Without ReferenceApplications+Denotes lead(Pb)-free/RoHS-compliant package.● 2-Cell Battery Monitoring/ManagementT = ..
MAX9028EBT+T ,UCSP, 1.8V, Nanopower, Beyond-the-Rails Comparators With/Without ReferenceElectrical Characteristics-MAX9025/MAX9026 (with REF)(V = +5V, V = 0V, V = V , T = -40°C to +85°C, ..
MAX902CPD ,High-Speed, Low-Power Voltage ComparatorsApplications High-Speed AID Converters High-Speed V/F Converters Line Receivers Threshold Detec ..
MAX902CSD ,High-Speed, Low-Power Voltage ComparatorsELECTRICAL CHARACTERISTICS extended periods may affect device reliability. (Vcc = +5V, VEE = ..
MAX902ESD+ ,High-Speed, Low-Power Voltage ComparatorsFeatures♦ 8ns (typ) Propagation DelayThe MAX900–MAX903 high-speed, low-power, single/dual/quad volt ..


MAX4906ELB+-MAX4906FELB-MAX4906FELB+-MAX4906FELB+T-MAX4907ELA+-MAX4907FELA+
High-/Full-Speed USB 2.0 Switches
General Description
The MAX4906/MAX4906F/MAX4907/MAX4907F analog
switches combine the low on-capacitance (CON) and
low on-resistance (RON) necessary for high-perfor-
mance switching applications. These devices are
designed for USB 2.0 high-speed applications at
480Mbps. These switches will also handle all the
requirements for USB low- and full-speed signaling.
The MAX4906/MAX4906F feature two single-pole/dou-
ble-throw(SPDT) switches, and the MAX4907/
MAX4907F feature two single-pole/single-throw switches
(SPST). The MAX4907/MAX4907F have a low 7Ω(max)
on-resistance and 7pF (max) on-capacitance. These
devices are fully specified to operate from a single
+3.0V to +3.6V power supply and are protected against
a +5.5V short to COM1 and COM2. This feature makes
them fully compliant with the USB 2.0 specification of
+5.5V fault protection. These devices feature a low
threshold voltage and a +1.4V VIH, permitting them to
be used with low-voltage logic. The MAX4906/
MAX4906F/MAX4907/MAX4907F operate at 300µA
(max) quiescent current and feature a shutdown input
to reduce the quiescent current to less than 2µA (max).
The MAX4906/MAX4906F/MAX4907/MAX4907F are avail-
able in space-saving, 2mm x 2mm µDFN packages and
operate over a -40°C to +85°C temperature range.
Applications
Features
Fully Specified for a Single +3.0V to +3.6V
Power-Supply Voltage
Low 4Ω(typ), 7Ω(max) On-Resistance (RON)MAX4907/MAX4907F Ultra-Low 4pF (typ),
7pF (max) On-Capacitance (CON)
-3dB Bandwidth: 1GHz (typ)Low Bit-to-Bit Skew ≤100psShutdown Input Reduces Power Consumption
to 2µA (max)
3.3V, 1.8V, and 1.4V Logic CompatibleCOM_Analog Inputs Fault Protected Against
Shorts to USB Supply Rail Up to +5.5V
Space-Saving Packages
8-Pin and 10-Pin, 2mm x 2mm µDFN Packages
MAX4906/MAX4606F/MAX4907/MAX4907F
High-/Full-Speed USB 2.0 Switches
Ordering Information

19-3797; Rev 2; 1/07
Note:
All devices operate over the -40°C to +85°C operating
temperature range.
Selector Guide appears at end of data sheet.
PARTPIN-PACKAGEPKG CODE
MAX4906ELB
10 µDFNL1022-1
MAX4906FELB
10 µDFNL1022-1
MAX4907ELA
8 µDFNL822-1
MAX4907FELA
8 µDFNL822-1Cell Phones
PDAs
Digital Still Cameras
GPS
Notebook Computers
Relay Replacements
USB Switching
Ethernet Switching
Video Switching
Bus Switches
T3/E3 Switches for
Redundancy Protection
NC1
NC2
NO1COM1
GND
SHDN/EN
MAX4906MAX4906F
μDFN
NO2COM2
TOP VIEW
Pin Configurations
EYE DIAGRAM

500ps/div
V+ =3.3V
IBIAS = 9mA
f = 240MHz
USB 2.0
HIGH SPEED
TRANSMIT
TEMPLATE
VNO1OUT
100mV/div
VNO2OUT
Typical Operating Characteristics

Pin Configurations continued at end of data sheet.
High-/Full-Speed USB 2.0 Switches
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS

(V+ = +3V to +3.6V, TA= TMINto TMAX, unless otherwise noted. Typical values are at V+= 3.3V, TA= +25°C.) (Note 2)
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.
Note 1:
Signals on IN, SHDN or SHDN/ENexceeding V+ or GND are clamped by internal diodes. Limit forward-diode current to
maximum current rating.
Voltages Referenced to GND
V+.............................................................................-0.3V to +4V
IN, SHDN, SHDN/EN(Note 1)......................-0.3V to (V+ + 0.3V)
COM_, NO_, NC_..................................................-0.5V to +5.5V
Continuous Current (COM_ to NO_/NC_) ......................±120mA
Peak Current, (COM_ to NO_/NC_)
(pulsed at 1ms 10% duty cycle).................................±240mA
Continuous Power Dissipation (TA= +70°C)
8-Pin µDFN (derate 5.0mW/°C above +70°C).............400mW
10-Pin µDFN (derate 5.3mW/°C above +70°C)........423.7mW
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
MAX4906/MAX4606F/MAX4907/MAX4907F
PARAMETERSYMBOLCONDITIONSMINTYPMAXUNITS
ANALOG SWITCH

Analog Signal RangeVCOM_,VNO_,
VNC _SHDN or SHDN/EN = 0 (Note 3)0V+V
Fault-Protection Trip ThresholdVFP3.64.0V
TA = +25°C47
On-ResistanceRON
ICOM_ = -40mA,
0V ≤ VCOM_≤ V+,
SHDN or SHDN/EN = 0TA = TMIN to TMAX8Ω
TA = +25°C410
On-Resistance During ShutdownRONSH
IC OM _ = - 40m A,
0V ≤ V C OM _ ≤ 1.5V ,H D N = V + M AX 4907/M AX 4907F) TA = TMIN to TMAX13
TA = +25°C0.71.2On-Resistance Match Between
ChannelsΔRON
V+ = 3.0V,
ICOM_= -40mA,
VCOM_ = 1.5V (Note 4)TA = TMIN to TMAX1.5
On-Resistance FlatnessRFLAT (ON)V+ = 3.0V, ICOM_ = -40mA,
VCOM_ = 1.5V, 3.0V (Note 5)1.0Ω
Off-Leakage CurrentICOM_(OFF)V+ = 3.6V, VCOM_ = 0.3V, 3.3V;
VNO_ or VNC_ = 3.3V, 0.3V-1+1µA
On-Leakage CurrentICOM_(ON)V+ = 3.6V, VCOM = 0.3V, 3.3V;
VNO_ or VNC_ = 0.3V, 3.3V, or floating-1+1µA
SWITCH AC PERFORMANCE

On-Channel -3dB BandwidthBWRL = RS = 50Ω, signal = 0dBm, Figure 11000MHz
f = 10MHz; VNO_, VNC_ = 1VP-P;
RL = RS = 50Ω, Figure 1-60
f = 250MHz; VNO_, VNC_ = 1VP-P;
RL = RS = 50Ω, Figure 1-32Off-IsolationVISO
f = 500MHz; VNO_, VNC_ = 1VP-P;
RL = RS = 50Ω, Figure 1-26
MAX4906/MAX4606F/MAX4907/MAX4907F
High-/Full-Speed USB 2.0 Switches
ELECTRICAL CHARACTERISTICS (continued)

(V+ = +3V to +3.6V, TA= TMINto TMAX, unless otherwise noted. Typical values are at V+ = 3.3V, TA= +25°C.) (Note 2)
PARAMETERSYMBOLCONDITIONSMINTYPMAXUNITS

f = 10MHz; VNO_, VNC_ = 1VP-P;
RL = RS = 50Ω, Figure 1-59
f = 250MHz; VNO_, VNC_ = 1VP-P;
RL = RS = 50Ω, Figure 1-31Crosstalk (Note 6)VCT
f = 500MHz; VNO_, VNC_ = 1VP-P;
RL = RS = 50Ω, Figure 1-25
SWITCH DYNAMICS

NO_, NC_ Off-CapacitanceC(OFF)f = 1MHz, Figure 2 (Note 7)24pF
MAX4906ELB,
MAX4906FELB69
Switch On-CapacitanceC(ON)f = 1MHz, Figure 2
(Note 7)MAX4907ELA,
MAX4907FELA47
MAX4906ELB,
MAX4906FELB0.4
Switch On-Capacitance MatchingCONMf = 1MHz (Note 7)
MAX4907ELA,
MAX4907FELA0.3
Turn-On TimetONN O_, V N C _ = 1.5V ; RL = 300Ω , C L = 35p F,IH = V + , V IL = 0V , S H D N or S H D N /EN = 0V ,
Fi g ur e 3ns
Turn-Off TimetOFF
VNO_, VNC_ = 1.5V; RL = 300Ω, CL = 35pF,
VIH = V+, VIL = 0V, SHDN or SHDN/EN = 0V,
Figure 3; TA = +25°Cns
Propagation DelaytPLH_,tPHLRL = RS = 50Ω, Figure 40.25ns
Fault-Protection Response TimetFPVCOM_ = 0 to 5V step,
RL = RS = 50Ω, Figure 53.0µs
Fault-Protection Recovery TimetFPRVCOM_ = 5V to 3V step,
RL = RS = 50Ω, Figure 52µs
Output Skew Between SwitchestSK(o)Skew between switch 1 and switch 2, RL =
RS = 50Ω, Figure 4 (Note 7)50100ps
Output Skew Same SwitchtSK(p)Skew between opposite transitions in same
switch, RL = RS = 50Ω, Figure 4 (Note 7)50100ps
MAX4906/MAX4606F/MAX4907/MAX4907F
High-/Full-Speed USB 2.0 Switches
ELECTRICAL CHARACTERISTICS (continued)

(V+ = +3V to +3.6V, TA= TMINto TMAX, unless otherwise noted. Typical values are at V+ = 3.3V, TA= +25°C.) (Note 2)
PARAMETERSYMBOLCONDITIONSMINTYPMAXUNITS

Total Harmonic Distortion Plus
NoiseTHD+NVCOM_ = 2VP-P, RL = 600Ω, f = 20Hz to
20kHz0.03%
Charge InjectionQVGEN = 1.5V, RGEN = 0Ω, CL = 100pF,
Figure 65pC
SWITCH LOGIC

Logic-Input-Voltage LowVIL0.4V
Logic-Input-Voltage HighVIH1.1V
Input-Logic HysteresisVHYST100mV
Input Leakage CurrentIINV+ = 3.6V, VIN = 0 or V+-1+1µA
Operating Supply-Voltage RangeV+3.03.6V
Quiescent Supply CurrentI+V+ = 3.6V, VIN = 0 or V+, SHDN or
SHDN/EN = 0120300µA
Quiescent Supply Current During
ShutdownI+V+ = 3.6V, VIN = 0 or V+, SHDN or
SHDN/EN = V+2µA
Note 2:
All units are 100% production tested at TA= +25°C. Limits over the operating temperature range are guaranteed by design
and not production tested.
Note 3:
The switch will turn off for voltages above (VFP); therefore, protecting downstream circuits in case of a fault condition
(MAX4906F/MAX4907F).
Note 4:
ΔRON(MAX)= | RON(CH1) – RON(CH2) |
Note 5:
Flatness is defined as the difference between the maximum and minimum value of on-resistance, as measured over
specified analog signal ranges.
Note 6:
Between any two switches.
Note 7:
Switch off-capacitance, switch on-capacitance, output skew between switches, and output skew same-switch limits are not
production tested; design guaranteed by bench characterization.
Typical Operating Characteristics

(TA = +25°C, unless otherwise noted.)
LEAKAGE CURRENT vs. TEMPERATURE
MAX4906 toc03
TEMPERATURE (°C)
LEAKAGE CURRENT (pA)
COM ON-LEAKAGE
COM OFF-LEAKAGE
V+ = 3.6V
ON-RESISTANCE vs. VCOM
MAX4906 toc01
VCOM (V)
V+ = 3.3V
V+ = 3.0V
V+ = 3.6V1.12.23.3
MAX4906 toc02
VCOM (V)
ON-RESISTANCE vs. VCOM

TA = +40°C
TA = +25°C
TA = +85°C
V+ = 3.3V
MAX4906/MAX4606F/MAX4907/MAX4907F
High-/Full-Speed USB 2.0 Switches

QUIESCENT SUPPLY CURRENT
vs. LOGIC LEVEL
MAX4906 toc06
LOGIC LEVEL (V)
QUIESCENT SUPPLY CURRENT (2.21.13.3
V+ = 3.3V
LOGIC THRESHOLD vs. SUPPLY VOLTAGE
MAX4906 toc07
SUPPLY VOLTAGE (V)
LOGIC THRESHOLD (V)
VIH
VIL
TURN-ON/OFF TIME
vs. SUPPLY VOLTAGE

MAX4906 toc08
SUPPLY VOLTAGE (V)
tON
OFF
(ns)
tON
tOFF
TURN-ON/OFF TIME
vs. TEMPERATURE
MAX4906 toc09
TEMPERATURE (°C)
tON
OFF
(ns)
tON
tOFF
V+ = 3.3V
RISE/FALL-TIME PROPAGATION DELAY
vs. SUPPLY VOLTAGE
MAX4906 toc10
SUPPLY VOLTAGE (V)
OUTPUT RISE/FALL -TIME DELAY (ps)
TPLH
TPHL
RISE/FALL-TIME PROPAGATION DELAY
vs. TEMPERATURE
MAX4906 toc11
TEMPERATURE (°C)
OUTPUT RISE/FALL -TIME DELAY (ps)
V+ = 3V
TPLH
TPHL
SAME SWITCH OUTPUT SKEW
vs. SUPPLY VOLTAGE
XMAX4906 toc12
SUPPLY VOLTAGE (V)
OUTPUT SKEW (ps)
Typical Operating Characteristics (continued)

(TA = +25°C, unless otherwise noted.)
CHARGE INJECTION vs. VCOM

MAX4906 toc04
VCOM (V)
CHARGE INJECTION (pC)
CL = 100pF
V+ = 3.3V
QUIESCENT SUPPLY CURRENT
vs. TEMPERATURE
MAX4906 toc05
TEMPERATURE (°C)
QUIESCENT SUPPLY CURRENT (V+ = 3.6V
V+ = 3.0V
MAX4906/MAX4606F/MAX4907/MAX4907F
High-/Full-Speed USB 2.0 Switches
FREQUENCY RESPONSE

MAX4906 toc13
FREQUENCY (MHz)
ON-LOSS (dB)
CROSS-TALK
OFF-ISOLATION
ON-LOSS
OUTPUT SKEW BETWEEN SWITCHES
vs. SUPPLY VOLTAGE

MAX4906 toc13
SUPPLY VOLTAGE (V)
OUTPUT SKEW (ps)
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. FREQUENCY
MAX4906 toc15
FREQUENCY (Hz)
THD+N (%)
10k1k100
0.1100k
V+ = 3.3V
RL = 600Ω
Typical Operating Characteristics (continued)

(TA = +25°C, unless otherwise noted.)
MAX4906/MAX4606F/MAX4907/MAX4907F
High-/Full-Speed USB 2.0 Switches
Pin Description
PIN
MAX4906/
MAX4906F
MAX4907/
MAX4907F
NAMEFUNCTION
8INDigital Control Input. IN controls switch 1 and switch 2.S H D N /E NS hutd ow n and E nab l e Inp ut. D r i ve S H D N /EN hi g h to consum e m i ni m um cur r ent and to p ut theevi ce i n hi g h- i m p ed ance m od e. D r i ve the S H D N /EN l ow for nor m al op er ati on.2GNDGroundCOM1Analog Switch 1—Common TerminalCOM2Analog Switch 2—Common Terminal5NO2Analog Switch 2—Normally Open Terminal6NO1Analog Switch 1—Normally Open Terminal—NC2Analog Switch 2—Normally Closed Terminal—NC1Analog Switch 1—Normally Closed Terminal7V+Positive-Supply Voltage Input. Connect V+ to a 3.0V to 3.6V supply voltage. Bypass V+ to
GND with a 0.1µF capacitor.SHDNShutdown Input. Drive SHDN high to put the device into shutdown mode. For normal
operation, drive SHDN low.
MEASUREMENTS ARE STANDARDIZED AGAINST SHORTS AT IC TERMINALS.
OFF-ISOLATION IS MEASURED BETWEEN COM_ AND "OFF" NO_ OR NC_ TERMINAL ON EACH SWITCH.
ON-LOSS IS MEASURED BETWEEN COM_ AND "ON" NO_ OR NC_ TERMINAL ON EACH SWITCH.
CROSSTALK IS MEASURED FROM ONE CHANNEL TO THE OTHER CHANNEL.
SIGNAL DIRECTION THROUGH SWITCH IS REVERSED; WORST VALUES ARE RECORDED.
+3.3V
VOUTIN_
NC1
COM1
NO1*
VIN
MAX4906/MAX4906F
MAX4907/MAX4907F
OFF-ISOLATION = 20log VOUT
VIN
ON-LOSS = 20log VOUT
VIN
CROSSTALK = 20log VOUT
VIN
NETWORK
ANALYZER
50Ω
50Ω50Ω
50Ω
MEASREF
10nF
0V OR V+
50Ω
GND
*FOR CROSSTALK THIS PIN IS NO2.
NC2 AND COM2 ARE OPEN.
Test Circuits/Timing Diagrams

Figure 1. On-Loss, Off-Isolation, and Crosstalk
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