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参数资料
| 型号： | MAX4548EAX |
| 厂商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分类： | 运动控制电子 |
| 英文描述： | Serially Controlled, Triple 3x2 Audio/Video Crosspoint Switches |
| 中文描述： | 3-CHANNEL, CROSS POINT SWITCH, PDSO36 |
| 封装： | 0.300 INCH, 0.80 MM PITCH, SSOP-36 |
| 文件页数： | 13/20页 |
| 文件大小： | 273K |
| 代理商： | MAX4548EAX |
M
S erially Controlled, Triple 3x2 Audio/Video
Crosspoint S witc hes
______________________________________________________________________________________
13
Table 3. Bias Data-Byte (C6 = “1”)
1
1
1
1
Controls NO2B bias resistors; 1 = connect bias resistors, 0 = disconnect bias resistors.
Controls NO2A bias resistors; 1 = connect bias resistors, 0 = disconnect bias resistors.
Controls NO1B bias resistors; 1 = connect bias resistors, 0 = disconnect bias resistors.
Controls NO1A bias resistors; 1 = connect bias resistors, 0 = disconnect bias resistors.
D3
D2
D1
D0
1
1
1
1
Controls SB bias resistors; 1 = connect bias resistors, 0 = disconnect bias resistors.
Controls SA bias resistors; 1 = connect bias resistors, 0 = disconnect bias resistors.
Controls NO3B bias resistors; 1 = connect bias resistors, 0 = disconnect bias resistors.
Controls NO3A bias resistors; 1 = connect bias resistors, 0 = disconnect bias resistors.
D7
D6
D5
D4
1
1
1
1
Controls SC bias resistors; 1 = connect bias resistors, 0 = disconnect bias resistors.
Controls NO3C bias resistors; 1 = connect bias resistors, 0 = disconnect bias resistors.
Controls NO2C bias resistors; 1 = connect bias resistors, 0 = disconnect bias resistors.
Controls NO1C bias resistors; 1 = connect bias resistors, 0 = disconnect bias resistors.
D11
D10
D9
D8
–
Don’t care
D12
–
Don’t care
D13
BIT
–
DESCRIPTION
D14
–
Don’t care
D15
POWER-UP
DEFAULT
STATE
Don’t care
SCL
A
B
C
D
E
F
G
H
I
J
SDA
t
SU:STA
t
HD:STA
t
LOW
t
HIGH
t
SU:DAT
t
HD:DAT
t
SU:STO
t
BUF
A = START CONDITION
B = MSB OF ADDRESS BYTE
C = LSB OF ADDRESS BYTE
D = ACKNOWLEDGE CLOCKED INTOMASTER
E = MSB OF COMMAND BYTE
F = LSB OF COMMAND BYTE
G = ACKNOWLEDGE CLOCKED INTOMASTER
H = MSB OF DATA BYTE/WORD
I = LSB OF DATA BYTE/WORD
J = ACKNOWLEDGE CLOCKED INTOMASTER
Figure 5. 2-Wire Serial-Interface Timing Details
Command-Byte and Data-Byte
Programming
The devices are programmed with a command byte and
a data byte or data word (2 bytes). Each bit of the
command byte selects one of the functional blocks to be
controlled by the subsequent data byte (word). The data
byte (word) sets the state of the selected block(s). For
the three switch-matrix blocks, the data byte sets the
switch state. For the bias-resistor block, the data word
controls which bias network is active (see Functional
Diagram.
A logic “1” in any bit position of the data byte makes
that function active, while a logic “0” makes it inactive.
Tables 1–4 describe the command byte and the corre-
sponding data byte. If more than one bit of the com-
mand byte is set, the data byte programs all of the
corresponding blocks. This operation is useful, for
instance, to simultaneously set all switch matrices to
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX4548EAX+ | 功能描述:视频开关 IC Triple 3x2 A/V Crosspoint Switch RoHS:否 制造商:Texas Instruments 开关数量:4 开启电阻（最大值）:12 Ohms 传播延迟时间: 开启时间（最大值）: 关闭时间（最大值）: 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:WQFN-42 封装:Reel |
| MAX4548EAX+T | 功能描述:视频开关 IC Triple 3x2 A/V Crosspoint Switch RoHS:否 制造商:Texas Instruments 开关数量:4 开启电阻（最大值）:12 Ohms 传播延迟时间: 开启时间（最大值）: 关闭时间（最大值）: 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:WQFN-42 封装:Reel |
| MAX4548EAX+W | 制造商:Maxim Integrated Products 功能描述:SERIALLY CONTROLLED TRIPLE 3X2 AUDIO/VIDEO CROSSPOINT SWITCH - Rail/Tube |
| MAX4548EAX-T | 功能描述:视频开关 IC RoHS:否 制造商:Texas Instruments 开关数量:4 开启电阻（最大值）:12 Ohms 传播延迟时间: 开启时间（最大值）: 关闭时间（最大值）: 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:WQFN-42 封装:Reel |
| MAX4549EAX | 功能描述:视频开关 IC RoHS:否 制造商:Texas Instruments 开关数量:4 开启电阻（最大值）:12 Ohms 传播延迟时间: 开启时间（最大值）: 关闭时间（最大值）: 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:WQFN-42 封装:Reel |
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