參數(shù)資料
型號: MAX9670CTL+T
廠商: Maxim Integrated Products
文件頁數(shù): 17/44頁
文件大?。?/td> 0K
描述: IC AUDIO/VIDEO SWIT DUAL 40TQFN
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 2,500
功能: 音頻/視頻切換
電路: 2 x SCART
電壓電源: 單電源
電壓 - 電源,單路/雙路(±): 3.3 V ~ 12 V
工作溫度: 0°C ~ 70°C
安裝類型: 表面貼裝
封裝/外殼: 40-WFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 40-TQFN-EP(6x6)
包裝: 帶卷 (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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MAX9671CTH+ 功能描述:視頻開關(guān) IC Low-Power A/V Switch w/Audio Volume Cntrl RoHS:否 制造商:Texas Instruments 開關(guān)數(shù)量:4 開啟電阻(最大值):12 Ohms 傳播延遲時間: 開啟時間(最大值): 關(guān)閉時間(最大值): 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:WQFN-42 封裝:Reel
MAX9671CTH+T 功能描述:視頻開關(guān) IC Low-Power A/V Switch w/Audio Volume Cntrl RoHS:否 制造商:Texas Instruments 開關(guān)數(shù)量:4 開啟電阻(最大值):12 Ohms 傳播延遲時間: 開啟時間(最大值): 關(guān)閉時間(最大值): 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:WQFN-42 封裝:Reel
MAX9671EVKIT+ 功能描述:交換機(jī) IC 開發(fā)工具 Low-Power A/V Switch w/Audio Volume Cntrl RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:USB Power Switches 工具用于評估:MAX4984E 工作電源電壓:2.8 V to 5.5 V
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