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| 型号： | MAX4548EAX+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 5/20页 |
| 文件大小： | 0K |
| 描述： | IC CROSSPOINT SWITCH TRPL 36SSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 1,000 |
| 功能： | 交叉点开关 |
| 电路： | 3 x 3:2 |
| 导通状态电阻： | 35 欧姆 |
| 电压电源： | 单电源 |
| 电压 - 电源，单路/双路(±)： | 2.7 V ~ 5.5 V |
| 电流 - 电源： | 6µA |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 36-BSOP（0.295"，7.50mm 宽） |
| 供应商设备封装： | 36-SSOP |
| 包装： | 带卷 (TR) |
MAX4548/MAX4549
Serially Controlled, Triple 3x2 Audio/Video
Crosspoint Switches
______________________________________________________________________________________
13
Table 3. Bias Data-Byte (C6 = “1”)
1
Controls NO2B bias resistors; 1 = connect bias resistors, 0 = disconnect bias resistors.
D3
1
Controls NO2A bias resistors; 1 = connect bias resistors, 0 = disconnect bias resistors.
D2
1
Controls NO1B bias resistors; 1 = connect bias resistors, 0 = disconnect bias resistors.
D1
1
Controls NO1A bias resistors; 1 = connect bias resistors, 0 = disconnect bias resistors.
D0
1
Controls SB bias resistors; 1 = connect bias resistors, 0 = disconnect bias resistors.
D7
1
Controls SA bias resistors; 1 = connect bias resistors, 0 = disconnect bias resistors.
D6
1
Controls NO3B bias resistors; 1 = connect bias resistors, 0 = disconnect bias resistors.
D5
1
Controls NO3A bias resistors; 1 = connect bias resistors, 0 = disconnect bias resistors.
D4
1
Controls SC bias resistors; 1 = connect bias resistors, 0 = disconnect bias resistors.
D11
1
Controls NO3C bias resistors; 1 = connect bias resistors, 0 = disconnect bias resistors.
D10
1
Controls NO2C bias resistors; 1 = connect bias resistors, 0 = disconnect bias resistors.
D9
1
Controls NO1C bias resistors; 1 = connect bias resistors, 0 = disconnect bias resistors.
D8
–
Don’t care
D12
–
Don’t care
D13
BIT
–
DESCRIPTION
D14
–
Don’t care
D15
POWER-UP
DEFAULT
STATE
Don’t care
SCL
AB
C
D
E
FG
H
I
J
SDA
tSU:STA tHD:STA
tLOW tHIGH
tSU:DAT
tHD:DAT
tSU:STO tBUF
A = START CONDITION
B = MSB OF ADDRESS BYTE
C = LSB OF ADDRESS BYTE
D = ACKNOWLEDGE CLOCKED INTO MASTER
E = MSB OF COMMAND BYTE
F = LSB OF COMMAND BYTE
G = ACKNOWLEDGE CLOCKED INTO MASTER
H = MSB OF DATA BYTE/WORD
I = LSB OF DATA BYTE/WORD
J = ACKNOWLEDGE CLOCKED INTO MASTER
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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| 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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| MAX4549EAX-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 |
| MAX454CPD | 功能描述:视频放大器 Integrated Circuits (ICs) RoHS:否 制造商:ON Semiconductor 通道数量:4 电源类型: 工作电源电压:3.3 V, 5 V 电源电流: 最小工作温度: 最大工作温度: 封装 / 箱体:TSSOP-14 封装:Reel |
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