参数资料
型号: 5962-89481012X
厂商: MAXIM INTEGRATED PRODUCTS INC
元件分类: DAC
英文描述: PARALLEL, WORD INPUT LOADING, 12-BIT DAC, CQCC20
封装: CERAMIC, LCC-20
文件页数: 4/14页
文件大小: 221K
代理商: 5962-89481012X
MAX4906/MAX4606F/MAX4907/MAX4907F
High-/Full-Speed USB 2.0 Switches
12
______________________________________________________________________________________
ideal for routing USB data lines (see Figure 7) and for
applications that require switching between multiple
USB hosts (see Figure 8). The MAX4907/MAX4907F
can be used in applications that require different data
types to share the same pins (see 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.
Ethernet Switching
The wide bandwidth of the MAX4906/MAX4906F/
MAX4907/MAX4907F meets the needs of 10/100 Ethernet
switching. These devices switch the signals from two
interface transformers and connect the signals to a single
10/100 Base-T Ethernet PHY, simplifying docking station
design and reducing manufacturing costs.
Power-Supply Sequencing
Caution: Do not exceed the absolute maximum rat-
ings because stresses beyond the listed ratings
may cause permanent damage to the device.
Proper power-supply sequencing is recommended for
all CMOS devices. Always apply V+ before applying
analog signals, especially if the analog signal is not
current limited.
Layout
High-speed switches require proper layout and design
procedures for optimum performance. Keep design-
controlled-impedance PC board traces as short as pos-
sible. Ensure that bypass capacitors are as close to the
device as possible. Use large ground planes where
possible.
VBUS
ASIC I
ASIC II
USB
TRANSCEIVER
D+
D-
D+
NC1
NO1
NC2
NO2
D-
D+
D-
GND
USB
CONNECTOR
COM1
COM2
USB
TRANSCEIVER
MAX4906/
MAX4906F
NC1
USB0+
USB1+
USB0-
USB1-
NO1
NC2
NO2
COM1
COM2
MAX4906/
MAX4906F
USB
TRANSCEIVER
Figure 7. MAX4906/MAX4906F USB Data Routing
Figure 8. MAX4906/MAX4906F Switching Between Multiple
USB Hosts
DATA
SPI/GPIO
DEVICE
CLOCK
EN
TRI-STATE
ENABLE
SHARED
DATA PINS
COM1
COM2
MAX4907/
MAX4907F
USB
TRANSCEIVER
NO1
NO2
Figure 9. MAX4907/MAX4907F USB/SPI/GPIO Switch
相关PDF资料
PDF描述
5962-8948101VA PARALLEL, WORD INPUT LOADING, 12-BIT DAC, CDIP18
5962-89481022C PARALLEL, WORD INPUT LOADING, 12-BIT DAC, CQCC20
5962-89481022X PARALLEL, WORD INPUT LOADING, 12-BIT DAC, CQCC20
5962-8876702LA PARALLEL, WORD INPUT LOADING, 12-BIT DAC, CDIP24
5962-8948102VA PARALLEL, WORD INPUT LOADING, 12-BIT DAC, CDIP18
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