MAX4906 Maxim, MAX4906 Datasheet

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MAX4906

Manufacturer Part Number
MAX4906
Description
The MAX4906/MAX4906F/MAX4907/MAX4907F analog switches combine the low on-capacitance (CON) and low on-resistance (RON) necessary for high-performance switching applications
Manufacturer
Maxim
Datasheet

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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

Related parts for MAX4906

MAX4906 Summary of contents

Page 1

... USB 2.0 specification of +5.5V fault protection. These devices feature a low threshold voltage and a +1. 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). ...

Page 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 ...

Page 3

... NC_ 50Ω, Figure 1MHz, Figure 2 (Note 7) (OFF) MAX4906ELB, MAX4906FELB f = 1MHz, Figure 2 C (ON) (Note 7) MAX4907ELA, MAX4907FELA MAX4906ELB, MAX4906FELB 1MHz (Note 7) ONM MAX4907ELA, MAX4907FELA 1. 300Ω / ...

Page 4

... Operating Supply-Voltage Range Quiescent Supply Current Quiescent Supply Current During Shutdown Note 2: All units are 100% production tested at T and not production tested. Note 3: The switch will turn off for voltages above (V (MAX4906F/MAX4907F). Note 4: Δ ON(MAX) ON(CH1) – ON(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 ...

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

... SHDN operation, drive SHDN low. +3.3V 10nF IN_ MAX4906/MAX4906F NC1 MAX4907/MAX4907F 50Ω GND 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. ...

Page 8

... LOGIC INPUT C INCLUDES FIXTURE AND STRAY CAPACITANCE OUT Figure 3. Switching Time 8 _______________________________________________________________________________________ Test Circuits/Timing Diagrams (continued) V+ 10nF V+ COM_ MAX4906/MAX4906F MAX4907/MAX4907F IN NC_ or NO_ GND V+ LOGIC V+ INPUT COM_ V OUT SWITCH OUTPUT < 5ns < ...

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 PHLY Figure 4. Output Signal Skew, Rise/Fall Time, Propagation Delay _______________________________________________________________________________________ _______________________________________________________________________________________ Test Circuits/Timing Diagrams (continued) COM1 ...

Page 10

... IH IN The MAX4906/MAX4906F/MAX4907/MAX4907F are fully specified to operate from a single +3.0V to +3.6V supply and are available with +5.5V fault protection (MAX4906F/ MAX4907F). When operating from a +3.0V to +3.6V sup- ply, the low threshold of these devices permits them to be used with logic levels as low as 1.4V.The MAX4906/MAX4906F/MAX4907/MAX4907F are based on a charge-pump-assisted n-channel architecture and thus operate at 300µ ...

Page 11

... NO_, NC_, and COM_ to be con- figured as either inputs or outputs. Overvoltage Fault Protection The MAX4906F and MAX4907F feature +5.5V fault pro- tection to COM1 and COM2. Fault protection prevents these switches from being damaged due to shorts to the USB bus voltage rail. ...

Page 12

... Figure 9); however, the shared device must be capable of going into the tri- state mode. The MAX4906F/MAX4907F also feature +5.5V fault protection to guard systems against shorts to the USB bus voltage. The fault-protected versions are recommended for all USB applications ...

Page 13

... 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 V+ MAX4907ELA 6 NO1 MAX4907FELA 5 NO2 PROCESS: BiCMOS Selector Guide FAULT TOP CONFIGURATION PROTECTION MARK Dual SPDT NO AAB Dual SPDT ...

Page 14

... L822-1 L1022-1 -DRAWING NOT TO SCALE- 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 © ...

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