MAX4999 USB 2.0 Hi-Speed Differential 8:1 Multiplexer0 pages
MAX4999
USB 2.0 Hi-Speed Differential
8:1 Multiplexer
General Description
Benefits and Features
The MAX4999 differential Hi-Speed USB analog multiplexer features low on-capacitance (CON) switching,
making it an ideal solution for the USB server/mass
storage market. The MAX4999 is designed for USB 2.0
low-/full-/Hi-Speed applications with capability of supporting data rates up to 480Mbps.
The MAX4999 is a differential 8:1 multiplexer. The
MAX4999 features three digital inputs to control the signal path. Typical applications include switching a USB
connector between eight USB hosts and a USB device.
An enable input (EN) is provided to disable all channels
and place the device into a high-impedance state
(standby mode), shutting off the charge pump for minimum power consumption.
• Increased Flexibility and Performance
• Multiplexer Supports USB 2.0 Standard
• -3dB Bandwidth: 1200MHz (typ)
The MAX4999 operates from a +3.0V to +3.6V powersupply voltage and is specified over the -40°C to +85°C
extended temperature range. The MAX4999 is available
in a 5mm x 5mm, 32-pin TQFN package.
Applications
Keyboard, Video, Mouse (KVM)
Servers/RAID
Mass Storage
Workstations
• Low On-Resistance and Power Management
Features Minimize System Losses
• 6.5Ω (typ) On-Resistance (RON)
• Single +3.0V to +3.6V Power-Supply Voltage
• Enable Input Puts All Channels in High-Impedance
State (Standby Mode)
• Low Operating Current (1µA) and Ultra-Low
Quiescent Current (30nA) in Standby Mode
• Reduce Component Count and Design Complexity
• Low Threshold Eliminates the Need for Translators
in 1.8V Low-Voltage Systems
• Saves Board Space
• 32-Pin, 5mm x 5mm, TQFN Package
Ordering Information
PART
TEMP RANGE
PIN-PACKAGE
MAX4999ETJ+
-40°C to +85°C
32 TQFN-EP*
+Denotes a lead(Pb)-free/RoHS-compliant package.
*EP = Exposed pad.
GND
D4_1
GND
VCC
D3_1
D3_0
GND
TOP VIEW
D4_0
Pin Configuration
24
23
22
21
20
19
18
17
D5_1 25
16
D2_1
D5_0 26
15
D2_0
GND 27
14
GND
13
D1_1
12
D1_0
D6_1 28
MAX4999
D6_0 29
11
1
2
3
4
5
6
7
8
GND
VCC
EN
COM0
COM1
C0
C1
C2
D7_0 32
TQFN
5mm x 5mm
*CONNECT EXPOSED PAD TO GND.
19-4127; Rev 2; 3/15
D0_1
9
*EP
GND
10
GND 30
D7_1 31
D0_0
"