参数资料
型号: MAX9670CTL+T
厂商: Maxim Integrated Products
文件页数: 17/44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: 2,500
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: 带卷 (TR)
配用: MAX9670EVKIT+-ND - EVALUATION KIT FOR MAX9670
MAX9670/MAX9671
Low-Power Audio/Video Switch with Audio
Volume Control for Dual SCART Connectors
24
______________________________________________________________________________________
on the same SCART pin, but not at the same time. The
75
resistor connected to VCR_R/C_OUT must act as a
back termination resistor when the MAX9670/MAX9671
is transmitting chroma signal and as an input termina-
tion resistor when it is receiving a chroma signal. Figure
15 shows how the MAX9670/MAX9671 transmits a
chroma signal to the VCR SCART connector while
Figure 16 shows how the MAX9670/MAX9671 receives
a chroma from the VCR SCART connector.
Write a 0 into bit 2 of register 09h to open the pulldown
switch at VCR_R/C_OUT. To close the pulldown switch,
write a 0 into bit 6 of register 0Dh to turn off the output
amplifier, and then write a 1 into bit 2 of register 09h.
See Tables 17 and 18.
Figure 15. Gain-of-2 amplifier on VCR_R/C_OUT outputs chroma signal to VCR SCART connector. Notice that the pulldown switch on
VCR_R/C_OUT is open.
VCR
SCART
TV
SCART
AV = 2V/V
TV_R/C_OUT
AV = 2V/V
VCR_R/C_OUT
VCR_R/C_IN
BIAS
ENC_R/C_IN
BIAS
ENC_C_IN
BIAS
LPF
ON
MAX9670/MAX9671
75
75
0.1
F
Figure 16. VCR_R/C_IN receives chroma signal from VCR SCART connector. Notice that the pulldown switch on VCR_R/C_OUT is
closed and that the gain-of-2 amplifier is off. The chroma signal from VCR SCART is looped through to the TV SCART in the above
configuration.
VCR
SCART
TV
SCART
AV = 2V/V
TV_R/C_OUT
AV = 2V/V
VCR_R/C_OUT
VCR_R/C_IN
BIAS
ENC_R/C_IN
BIAS
ENC_C_IN
BIAS
LPF
OFF
MAX9670/MAX9671
75
75
0.1
F
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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
MAX9671EVKIT+ 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
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