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参数资料
| 型号： | MAX9670CTL+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 11/44页 |
| 文件大小： | 0K |
| 描述： | IC AUDIO/VIDEO SWIT DUAL 40TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 50 |
| 功能： | 音频/视频切换 |
| 电路： | 2 x SCART |
| 电压电源： | 单电源 |
| 电压 - 电源，单路/双路(±)： | 3.3 V ~ 12 V |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 40-WFQFN 裸露焊盘 |
| 供应商设备封装： | 40-TQFN-EP（6x6） |
| 包装： | 管件 |
| 配用： | MAX9670EVKIT+-ND - EVALUATION KIT FOR MAX9670 |
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MAX9670/MAX9671
Low-Power Audio/Video Switch with Audio
Volume Control for Dual SCART Connectors
______________________________________________________________________________________
19
REPEATED START condition, an acknowledge or a not
acknowledge, and a STOP condition. SDA operates as
both an input and an open-drain output. A pullup resis-
tor, typically greater than 500
, is required on the SDA
bus. SCL operates as only an input. A pullup resistor,
typically greater than 500
, is required on SCL if there
are multiple masters on the bus, or if the master in a
single-master system has an open-drain SCL output.
Series resistors in line with SDA and SCL are optional.
Series resistors protect the digital inputs of the
MAX9670/MAX9671 from high-voltage spikes on the
bus lines, and minimize crosstalk and undershoot of the
bus signals.
Bit Transfer
One data bit is transferred during each SCL cycle. The
data on SDA must remain stable during the high period
of the SCL pulse. Changes in SDA while SCL is high
are control signals (see the
START and STOP
Conditions section). SDA and SCL idle high when the
I2C bus is not busy.
START and STOP Conditions
SDA and SCL idle high when the bus is not in use. A
master initiates communication by issuing a START
condition. A START condition is a high-to-low transition
on SDA with SCL high. A STOP condition is a low-to-
high transition on SDA while SCL is high (Figure 7). A
START condition from the master signals the beginning
of a transmission to the MAX9670/MAX9671. The mas-
ter terminates transmission, and frees the bus, by issu-
ing a STOP condition. The bus remains active if a
REPEATED START condition is generated instead of a
STOP condition.
Early STOP Conditions
The MAX9670/MAX9671 recognize a STOP condition at
any point during data transmission except if the STOP
condition occurs in the same high pulse as a START
condition. For proper operation, do not send a STOP
condition during the same SCL high pulse as the
START condition.
Slave Address
The slave address is defined as the 7 most significant
bits (MSBs) followed by the read/write (R/W) bit. Set the
R/W bit to 1 to configure the MAX9670/MAX9671 to
read mode. Set the R/W bit to 0 to configure the
MAX9670/MAX9671 to write mode. The slave address
is always the first byte of information sent to the
MAX9670/MAX9671 after a START or a REPEATED
START condition. The MAX9670/MAX9671 slave
address is configurable with DEV_ADDR. Table 3
shows the possible slave addresses for the
MAX9670/MAX9671.
SCL
SDA
START
CONDITION
STOP
CONDITION
REPEATED
START CONDITION
START
CONDITION
tHD, STA
tSU, STA
tHD, STA
tSP
tBUF
tSU, STO
tLOW
tSU, DAT
tHD, DAT
tHIGH
tR
tF
Figure 6. I2C Serial-Interface Timing Diagram
SCL
SDA
SSr
P
Figure 7. START, STOP, and REPEATED START Conditions
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX9670CTL+ | 功能描述:视频开关 IC Low-Power A/V Switch w/Audio Volume Cntrl 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 |
| MAX9670CTL+T | 功能描述:视频开关 IC Low-Power A/V Switch w/Audio Volume Cntrl 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 |
| MAX9670EVKIT+ | 功能描述:交换机 IC 开发工具 Low-Power A/V Switch w/Audio Volume Cntrl RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:USB Power Switches 工具用于评估:MAX4984E 工作电源电压:2.8 V to 5.5 V |
| MAX9671CTH+ | 功能描述:视频开关 IC Low-Power A/V Switch w/Audio Volume Cntrl 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 |
| MAX9671CTH+T | 功能描述:视频开关 IC Low-Power A/V Switch w/Audio Volume Cntrl 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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