MAX14979EETX+ Maxim Integrated Products, MAX14979EETX+ Datasheet

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MAX14979EETX+

Manufacturer Part Number
MAX14979EETX+
Description
IC SWITCH HIGH BW LVDS 36TQFN
Manufacturer
Maxim Integrated Products
Datasheet
1.MAX14979EETX.pdf (10 pages)

Specifications of MAX14979EETX+

Function
Switch
Circuit
4 x DPDT
On-state Resistance
5.5 Ohm
Voltage Supply Source
Single Supply
Voltage - Supply, Single/dual (±)
3 V ~ 3.6 V
Current - Supply
280µA
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
36-WFQFN Exposed Pad
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
19-5252; Rev 0; 4/10
The MAX14979E is optimized for high-speed differential
switching applications. The device is ideal for low-volt-
age differential signal (LVDS) and low-voltage positive
emitter-coupled logic (LVPECL) switching applications.
The MAX14979E provides enhanced electrostatic dis-
charge (ESD) protection up to Q15kV and excellent high-
frequency response, making this device especially use-
ful for interfaces that must go to an outside connection.
The MAX14979E provides extremely low capacitance
(C
loss and bandwidth up to 650MHz (1.3Gbps). In addi-
tion to the four pairs of double-pole/double-throw (DPDT)
switches, the MAX14979E provides low-frequency (up
to 50MHz) and AUX switching that can be used for LED
lighting or other applications.
The MAX14979E is available in a space-saving 36-pin
TQFN package and operates over the standard -40NC to
+85NC temperature range.
+Denotes a lead(Pb)-free/RoHS-compliant package.
*EP = Exposed pad.
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
Typical Operating Circuit appears at end of data sheet.
MAX14979EETX+
ON
) as well as low resistance (R
PART
Notebook Computers
Switch LVDS to Graphics Panels
LVDS and LVPECL Switching
_______________________________________________________________ Maxim Integrated Products 1
High-Bandwidth, ±15kV ESD Protection
-40NC to +85NC
TEMP RANGE
Ordering Information
General Description
ON
Applications
) for low-insertion
PIN-PACKAGE
36 TQFN-EP*
S
S
S
S
S
S
S
S
S
S
±15kV ESD Protected per MIL-STD-883, Method
3015
Single +3.0V to +3.6V Power-Supply Voltage
Low On-Resistance (R
Low On-Capacitance (C
-23dB Return Loss (100MHz)
-3dB Bandwidth: 650MHz
Built-In AUX Switches for Switching Indicators
Low 450µA (max) Quiescent Current
Bidirectional 8 to 16 Multiplexer/Demultiplexer
Space-Saving, Lead-Free, 36-Pin, 6mm x 6mm
TQFN Package
f = 300MHz
500ps/div
LVDS Switch
ON
ON
): 4I (typ), 6.5I (max)
): 8pF (typ)
Eye Diagram
100mV/div
Features

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MAX14979EETX+ Summary of contents

Page 1

... Notebook Computers Switch LVDS to Graphics Panels LVDS and LVPECL Switching Ordering Information PART TEMP RANGE MAX14979EETX+ -40NC to +85NC +Denotes a lead(Pb)-free/RoHS-compliant package. *EP = Exposed pad. Typical Operating Circuit appears at end of data sheet. _______________________________________________________________ Maxim Integrated Products 1 For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642, or visit Maxim’ ...

Page 2

High-Bandwidth, ±15kV ESD Protection LVDS Switch ABSOLUTE MAXIMUM RATINGS (Voltages referenced to GND.) V+ .........................................................................-0.3V to +4.0V All Other Pins ...............................................-0.3V to (V+ + 0.3V) Continuous Current (COM_ _ to NC_ _/NO_ _) ............ Q120mA Continuous Current (AUX0_ to AUX1_/AUX2_) ...

Page 3

High-Bandwidth, ±15kV ESD Protection ELECTRICAL CHARACTERISTICS (continued) (V+ = +3.0V to +3.6V MIN PARAMETER SYMBOL Turn-On Time Turn-Off Time Propagation Delay t PLH Output Skew Between Ports SWITCH LOGIC Input-Voltage Low ...

Page 4

High-Bandwidth, ±15kV ESD Protection LVDS Switch SEL 50 50% t OFF 50% Figure 2. Turn-On and Turn-Off Times OUTPUT SKEW = tSK(o) = |tPHL - tPHL| THE MAX14979E SWITCHES ARE FULLY BIDIRECTIONAL. Figure 4. Output Skew 4 V ...

Page 5

High-Bandwidth, ±15kV ESD Protection (V+ = 3.3V +25NC, unless otherwise noted.) A ON-RESISTANCE vs. V COM_ +85° -40° +25° 0.5 ...

Page 6

High-Bandwidth, ±15kV ESD Protection LVDS Switch TOP VIEW PIN NAME 1 COM0- Common LVDS Differential Terminal for Switch 0 2 COM1+ Common LVDS Differential Terminal for Switch 1 3 COM1- Common LVDS Differential Terminal for Switch 1 4 AUX0A AUX0A ...

Page 7

High-Bandwidth, ±15kV ESD Protection PIN NAME 22 NC2+ Normally Closed LVDS Differential Terminal for Switch 2 23 NO1- Normally Open LVDS Differential Terminal for Switch 1 24 NO1+ Normally Open LVDS Differential Terminal for Switch 1 25 NC1- Normally Closed ...

Page 8

High-Bandwidth, ±15kV ESD Protection LVDS Switch Functional Diagram COM0+ COM0- COM1+ COM1- COM2+ COM2- COM3+ COM3- AUX0A AUX0B AUX0 SEL Table 1. Truth Table SEL CONNECTION 0 COM_ _ to NC_ _, AUX0_ to AUX1_ 1 COM_ _ to NO_ ...

Page 9

High-Bandwidth, ±15kV ESD Protection LVDS_+ LVDS_- LVDS_+ LVDS_- LVDS_+ LVDS_- CLOCK_+ CLOCK_- INTERNAL GRAPHICS LVDS_+ LVDS_- LVDS_+ LVDS_- LVDS_+ LVDS_- CLOCK_+ CLOCK_- LVDS_+ LVDS_- LVDS_+ LVDS_- LVDS_+ LVDS_- CLOCK_+ CLOCK_- SVDO TO LVDS LVDS_+ LVDS_- LVDS_+ LVDS_- LVDS_+ LVDS_- CLOCK_+ ...

Page 10

... 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. Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 10 2010 Maxim Integrated Products © ...

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