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參數(shù)資料
| 型號： | MAX9546 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Differential Video Interface Chipset |
| 中文描述： | 差分視頻接口芯片組 |
| 文件頁數(shù)： | 10/16頁 |
| 文件大?。?/td> | 284K |
| 代理商： | MAX9546 |
M
Differential Video Interface Chipset
10
______________________________________________________________________________________
Applications Information
Differential Interface
The impedances of the differential interface are made
up of the two source resistors on the driver (MAX9546)
shown as R
S
and the load resistors on the receiver
(MAX9547) shown as R
T
in the
Typical Application
Circuit.
These resistors are chosen so their sum match-
es the characteristic impedance (Z
0
) of the differential
transmission line. For example, a Category 5 cable has
a characteristic impedance of 110
, so the sum of the
two R
S
or R
T
resistors must be 110
to correctly drive
the line. To balance the signals they must be equal, so
R
S
and R
T
are 55
each.
Using Other Transmitters
and Receivers
The MAX9546/MAX9547 are used with other transmit-
ters and receivers; either other MAXIM devices or other
brands entirely. The overall performance of the
MAX9546/MAX9547 is dependent on the choice of the
receiver or transmitter, respectively.
Figure 2 illustrates one possible topology for the
MAX9546 when using other devices with different offset
requirements. Figures 3 and 4 illustrate two possible
topologies for the MAX9547 when using other devices
with unknown or different offset requirements. The cir-
cuit shown in Figure 3 has a smaller PCB footprint at
the expense of requiring higher DC offset currents from
the source device. Figure 4 requires no DC offset cur-
rents although it has a larger PCB footprint.
When using the MAX9546 with AC-coupling capacitors,
the
FAULT
signal will continue to function but only with
respect to a DC short condition. The
LOS
signal from
the MAX9547 is unaffected by coupling capacitors.
Figure 2. Suggested MAX9546 Configuration for Use with Other Devices
0V OFFSET
+3.2 V
DC
OFFSET
+3.2 V
DC
OFFSET
TO A DEVICE
OTHER THAN A
MAX9547 USING
CAT5, ETC.
V
CC
GND
4
1
IN
D1
2
7
6
V
CC
8
FAULT
OUT+
OUT-
3
C4
0.33
μ
F
R1
3.92k
R4
75
R2
55
R3
55
C3
470
μ
F
C5
470
μ
F
GND
5
MAX9546
U1
4.7
μ
F
0.1
μ
F
V
DD
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX9546ESA+ | 功能描述:視頻放大器 Differential Video Interface Chipset RoHS:否 制造商:ON Semiconductor 通道數(shù)量:4 電源類型: 工作電源電壓:3.3 V, 5 V 電源電流: 最小工作溫度: 最大工作溫度: 封裝 / 箱體:TSSOP-14 封裝:Reel |
| MAX9546ESA+T | 功能描述:視頻放大器 Differential Video Interface Chipset RoHS:否 制造商:ON Semiconductor 通道數(shù)量:4 電源類型: 工作電源電壓:3.3 V, 5 V 電源電流: 最小工作溫度: 最大工作溫度: 封裝 / 箱體:TSSOP-14 封裝:Reel |
| MAX9547ESA+ | 功能描述:視頻放大器 Integrated Circuits (ICs) RoHS:否 制造商:ON Semiconductor 通道數(shù)量:4 電源類型: 工作電源電壓:3.3 V, 5 V 電源電流: 最小工作溫度: 最大工作溫度: 封裝 / 箱體:TSSOP-14 封裝:Reel |
| MAX9547ESA+T | 功能描述:視頻放大器 Integrated Circuits (ICs) RoHS:否 制造商:ON Semiconductor 通道數(shù)量:4 電源類型: 工作電源電壓:3.3 V, 5 V 電源電流: 最小工作溫度: 最大工作溫度: 封裝 / 箱體:TSSOP-14 封裝:Reel |
| MAX954C/D | 功能描述:特殊用途放大器 Ultra-Low-Power Single-Supply Op Amp + Comparator + Reference RoHS:否 制造商:Texas Instruments 通道數(shù)量:Single 共模抑制比（最小值）: 輸入補償電壓: 工作電源電壓:3 V to 5.5 V 電源電流:5 mA 最大功率耗散: 最大工作溫度:+ 70 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-20 封裝:Reel |
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