參數(shù)資料
型號(hào)： MAX9598CTL+
廠商： Maxim Integrated Products
文件頁(yè)數(shù)： 8/36頁(yè)
文件大小： 0K
描述： IC SWITCH DUAL SCART 40TQFN
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝： 50
功能： 開(kāi)關(guān)
電路： 2 x SCART
導(dǎo)通狀態(tài)電阻： 7 歐姆
電壓電源： 單/雙電源
電壓 - 電源，單路/雙路(±)： 3 V ~ 3.6 V，±11.4 V ~ 12.6 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(pán)
供應(yīng)商設(shè)備封裝： 40-TQFN-EP（6x6）
包裝： 管件
MAX9598
If the supply voltage is greater than 3.135V (5% below
a 3.3V supply), each amplifier can drive two DC-cou-
pled video loads to ground. If the supply is less than
3.135V, each amplifier can drive only one DC-coupled
or AC-coupled video load.
The SCART standard allows for video signals to have a
superimposed DC component within 0 to 2V. Therefore,
most video signals are DC-coupled at the output. In the
unlikely event that the video signal needs to be AC-
coupled, the coupling capacitors should be 220F or
greater in order to keep the highpass filter formed by
the 37.5
Ω equivalent resistance of the video transmis-
sion line to a corner frequency of 4.8Hz or below in
order to keep it well below the 25Hz frame rate of the
PAL standard.
The CVBS outputs have load sense circuits. If enabled,
each load sense circuit checks for a load eight times
per second by connecting an internal 15k
resistor to the output for 1ms. If the output is pulled up,
then no load is present. If the output stays low, then a
load is connected. Read bits 1 and 3 to determine load
status. See Table 19.
The selection of video sources that are sent to the TV
SCART connector are controlled by bits 0 to 4 of the TV
Video Input Control Register (06h) while the selection of
video sources that are sent to the VCR SCART connec-
tor are controlled by bits 0 to 2 of the VCR Video Input
Control Register (08h). See Tables 8, 12, and 14. The
video outputs can be enabled or disabled by bits 2 to 7
of the Output Enable Register (0Dh). See Table 16.
Slow Switching
The MAX9598 supports the IEC 933-1, Amendment 1,
trilevel slow switching that selects the aspect ratio for the
display (TV). Under I2C control, the MAX9598 sets the
slow-switching output voltage level. Table 2 shows the
valid input levels of the slow-switching signal and the
corresponding operating modes of the display device.
Two bidirectional ports are available for slow-switching
signals for the TV and VCR. The slow-switching input
status is continuously read and stored in the Status
Register (0Eh). The slow-switching outputs can be set
to a logic level or high impedance by writing to the TV
Video Output Control Register (07h) and the VCR Video
Output Control Register (09h). When enabled, INT
becomes active low if the voltage level changes on
TV_SS or VCR_SS. See Tables 8, 13, 15 and 18.
Low-Power Audio/Video Switch for
Dual SCART Connectors
16
______________________________________________________________________________________
MAX9598 fig04
10
μs/div
500mV/div
0V
Figure 4. MAX9598 Video Output with CVBS Signal (Multiburst
Video Test Signal Shown)
MAX9598 fig05
20
μs/div
500mV/div
0V
Figure 5. MAX9598 Video Output with Chroma (C) Signal (75%
Color Bar Video Test Signal Shown)
Table 2. Slow-Switching Modes
SLOW-SWITCHING
SIGNAL VOLTAGE (V)
MODE
0 to 2
Display device uses an internal
source such as a built-in tuner to
provide a video signal
4.5 to 7.0
Display device uses a video signal
from the SCART connector and
sets the display to 16:9 aspect ratio
9.5 to 12.6
Display device uses a signal from
the SCART connector and sets the
display to 4:3 aspect ratio
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參數(shù)描述
MAX9598CTL+ 功能描述:視頻開(kāi)關(guān) IC A/V Switch for Dual SCART Connector RoHS:否 制造商:Texas Instruments 開(kāi)關(guān)數(shù)量:4 開(kāi)啟電阻（最大值）:12 Ohms 傳播延遲時(shí)間: 開(kāi)啟時(shí)間（最大值）: 關(guān)閉時(shí)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
MAX9598CTL+T 功能描述:視頻開(kāi)關(guān) IC A/V Switch for Dual SCART Connector RoHS:否 制造商:Texas Instruments 開(kāi)關(guān)數(shù)量:4 開(kāi)啟電阻（最大值）:12 Ohms 傳播延遲時(shí)間: 開(kāi)啟時(shí)間（最大值）: 關(guān)閉時(shí)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
MAX9598EVKIT+ 功能描述:交換機(jī) IC 開(kāi)發(fā)工具 MAX9598 Eval Kit RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:USB Power Switches 工具用于評(píng)估:MAX4984E 工作電源電壓:2.8 V to 5.5 V
MAX9600EUP 功能描述:校驗(yàn)器 IC Dual ECL-D/Q PECL 500ps Comparator RoHS:否 制造商:STMicroelectronics 產(chǎn)品: 比較器類型: 通道數(shù)量: 輸出類型:Push-Pull 電源電壓-最大:5.5 V 電源電壓-最小:1.1 V 補(bǔ)償電壓（最大值）:6 mV 電源電流（最大值）:1350 nA 響應(yīng)時(shí)間: 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SC-70-5 封裝:Reel
MAX9600EUP+ 功能描述:校驗(yàn)器 IC Dual ECL-D/Q PECL 500ps Comparator RoHS:否 制造商:STMicroelectronics 產(chǎn)品: 比較器類型: 通道數(shù)量: 輸出類型:Push-Pull 電源電壓-最大:5.5 V 電源電壓-最小:1.1 V 補(bǔ)償電壓（最大值）:6 mV 電源電流（最大值）:1350 nA 響應(yīng)時(shí)間: 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SC-70-5 封裝:Reel
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