MAX4906ETB-T Maxim Integrated, MAX4906ETB-T Datasheet

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MAX4906ETB-T

Manufacturer Part Number
MAX4906ETB-T
Description
Power Switch ICs - USB
Manufacturer
Maxim Integrated
Datasheet
1.MAX4906ETBT.pdf (14 pages)

Specifications of MAX4906ETB-T

Supply Voltage - Min
2.7 V
Supply Voltage - Max
3.6 V
Number Of Switches
Dual
Switch Configuration
SPDT
The MAX4906/MAX4906F/MAX4907/MAX4907F analog
switches combine the low on-capacitance (C
low on-resistance (R
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 V
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.
19-3797; Rev 2; 1/07
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.
Typical Operating Characteristics
Cell Phones
PDAs
Digital Still Cameras
GPS
Notebook Computers
Relay Replacements
V+ =3.3V
I
f = 240MHz
BIAS
= 9mA
________________________________________________________________ Maxim Integrated Products
ON
EYE DIAGRAM
General Description
HIGH SPEED
TRANSMIT
TEMPLATE
) necessary for high-perfor-
500ps/div
USB 2.0
USB Switching
Ethernet Switching
Video Switching
Bus Switches
T3/E3 Switches for
Redundancy Protection
High-/Full-Speed USB 2.0 Switches
IH
, permitting them to
Applications
V
100mV/div
V
NO1OUT
NO2OUT
ON
) and
♦ Fully Specified for a Single +3.0V to +3.6V
♦ Low 4Ω (typ), 7Ω (max) On-Resistance (R
♦ MAX4907/MAX4907F Ultra-Low 4pF (typ),
♦ -3dB Bandwidth: 1GHz (typ)
♦ Low Bit-to-Bit Skew ≤ 100ps
♦ Shutdown Input Reduces Power Consumption
♦ 3.3V, 1.8V, and 1.4V Logic Compatible
♦ COM
♦ Space-Saving Packages
Note: All devices operate over the -40°C to +85°C operating
temperature range.
Selector Guide appears at end of data sheet.
MAX4906ELB
MAX4906FELB
MAX4907ELA
MAX4907FELA
Pin Configurations continued at end of data sheet.
Power-Supply Voltage
7pF (max) On-Capacitance (C
to 2µA (max)
Shorts to USB Supply Rail Up to +5.5V
8-Pin and 10-Pin, 2mm x 2mm µDFN Packages
TOP VIEW
PART
_
Analog Inputs Fault Protected Against
SHDN/EN
COM1
COM2
GND
IN
1
2
3
4
5
PIN-PACKAGE
10 µDFN
10 µDFN
8 µDFN
8 µDFN
Ordering Information
MAX4906F
MAX4906
μDFN
Pin Configurations
ON
10
9
8
7
6
)
V+
NC1
NC2
NO1
NO2
Features
PKG CODE
L1022-1
L1022-1
L822-1
L822-1
ON
)
1

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MAX4906ETB-T Summary of contents

Page 1

... BIAS f = 240MHz USB 2.0 HIGH SPEED TRANSMIT TEMPLATE 500ps/div ________________________________________________________________ Maxim Integrated Products 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. ♦ Fully Specified for a Single +3.0V to +3.6V ) and ON Power-Supply Voltage ♦ Low 4Ω (typ), 7Ω (max) On-Resistance (R ♦ ...

Page 2

High-/Full-Speed USB 2.0 Switches ABSOLUTE MAXIMUM RATINGS 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_ ...

Page 3

High-/Full-Speed USB 2.0 Switches ELECTRICAL CHARACTERISTICS (continued) (V+ = +3V to +3.6V MIN MAX PARAMETER SYMBOL Crosstalk (Note 6) SWITCH DYNAMICS NO_, NC_ Off-Capacitance Switch On-Capacitance Switch On-Capacitance Matching Turn-On Time Turn-Off Time Propagation ...

Page 4

High-/Full-Speed USB 2.0 Switches ELECTRICAL CHARACTERISTICS (continued) (V+ = +3V to +3.6V unless otherwise noted. Typical values are 3.3V MIN MAX PARAMETER SYMBOL Total Harmonic Distortion Plus THD+N Noise ...

Page 5

High-/Full-Speed USB 2.0 Switches (T = +25°C, unless otherwise noted.) A CHARGE INJECTION vs. V COM 100pF 3. 1.1 2.2 VCOM (V) LOGIC THRESHOLD vs. SUPPLY VOLTAGE 1 ...

Page 6

High-/Full-Speed USB 2.0 Switches (T = +25°C, unless otherwise noted.) A OUTPUT SKEW BETWEEN SWITCHES vs. SUPPLY VOLTAGE -10 3.0 3.2 SUPPLY VOLTAGE (V) 6 _______________________________________________________________________________________ Typical Operating Characteristics (continued) FREQUENCY RESPONSE 0 -10 ON-LOSS -20 ...

Page 7

High-/Full-Speed USB 2.0 Switches PIN NAME MAX4906/ MAX4907/ MAX4906F MAX4907F Digital Control Input. IN controls switch 1 and switch 2. S hutd ow n and E nab l e Inp ut ...

Page 8

High-/Full-Speed USB 2.0 Switches CAPACITANCE METER f = 1MHz Figure 2. Channel Off/On-Capacitance MAX4906/MAX4906F MAX4907/MAX4907F NO_ NC_ IN GND LOGIC INPUT C INCLUDES FIXTURE AND STRAY CAPACITANCE OUT N_ ...

Page 9

High-/Full-Speed USB 2.0 Switches MAX4906/MAX4906F MAX4907/MAX4907F NC1 NO1 IN+ NC2 NO2 IN IN+ 50 50% IN PLHX V+ V OUT+ 50 50% V OUT- 0V ...

Page 10

High-/Full-Speed USB 2.0 Switches VCOM_ VNO_ VNC_ Figure 5. MAX4906F/MAX4907F Fault-Protection Response/Recovery Time MAX4906/MAX4906F MAX4907/MAX4907F R GEN NC_ OR NO_ V GEN GND IN Figure 6. Charge Injection Detailed Description The MAX4906/MAX4906F/MAX4907/MAX4907F analog switches are targeted for USB 2.0 high-speed ...

Page 11

High-/Full-Speed USB 2.0 Switches V+ MAX4906/MAX4906F IN NO1 NC1 NO2 NC2 GND MAX4906/MAX4906F SHDN/ Digital Control Input The MAX4906/MAX4906F/MAX4907/MAX4907F provide a single-digit control logic input, IN. IN controls the position of the switches ...

Page 12

High-/Full-Speed USB 2.0 Switches ASIC I D+ USB MAX4906/ TRANSCEIVER MAX4906F D- NC1 NO1 NC2 ASIC II NO2 D+ USB TRANSCEIVER D- Figure 7. MAX4906/MAX4906F USB Data Routing MAX4906/ MAX4906F COM1 USB TRANSCEIVER COM2 Figure 8. MAX4906/MAX4906F Switching Between Multiple ...

Page 13

High-/Full-Speed USB 2.0 Switches Pin Configurations (continued) TOP VIEW SHDN 1 GND 2 MAX4907 COM1 3 MAX4907F COM2 4 μDFN Revision History Pages changed at Rev 11, 14 ______________________________________________________________________________________ PART MAX4906ELB 8 IN MAX4906FELB 7 ...

Page 14

... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. 14 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 © 2007 Maxim Integrated Products A ...

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