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參數資料
| 型號： | MAX9507 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | 1.8V DirectDrive Video Filter Amplifier with Load Detection and Dual SPST Analog Switches |
| 中文描述： | 1.8V、DirectDrive視頻濾波放大器，提供負載檢測和兩路SPST模擬開關 |
| 文件頁數： | 15/29頁 |
| 文件大?。?/td> | 480K |
| 代理商： | MAX9507 |
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M
1.8V DirectDrive Video Filter Amplifier with
Load Detection and Dual SPST Analog Switches
______________________________________________________________________________________
15
Sleep Mode
If a video load is not connected to the amplifier, the
MAX9507 remains in a low-power sleep mode. The
load-sense circuitry checks for a load eight times per
second by connecting an internal 7.5k
Ω
pullup resistor
to the output for 1ms. If the output is pulled up, no load
is present. If the output stays low, a load is connected,
and the automatic control circuitry enables the appro-
priate blocks. When the amplifier is on, it continually
checks if the load has been disconnected by detecting
if the amplifier is sinking current during a horizontal line
time. Therefore, a black-burst signal (or input signal
< 13mV) is required to maintain the detected load sta-
tus. If the load is disconnected, the device returns to
the low-power sleep mode.
Common Modes of Operation
X = Don’t care.
NO.
MODE
ASPEN
ACPEN
SPEN
CPEN
1
Shutdown mode.
Switches in normal range.
Load-detect function disabled.
0
0
0
0
2
Full operation mode.
Video, charge pump, and regulator on.
Switches in extended range.
X
X
1
1
3
Charge-pump-only mode.
Charge pump and regulator on, video off.
Switches in extended range.
X
X
0
1
4
Sleep mode.
Video, charge pump, and regulator automatic.
Switches in extended range only when the charge
pump is on.
Load-detect function enabled.
1
1
0
0
5
Charge pump and regulator on, video automatic.
Switches in extended range.
Load-detect function enabled.
1
0
0
1
I
2
C Registers and Bit Descriptions
Table 1. Register Map
REGISTER
ADDRESS
REGISTER
B7
B6
B5
B4
B3
B2
B1
B0
POWER-ON
RESET
STATE
0x00
Configuration
SW2EN
SW1EN
0
STEN
FLTEN
0
SPEN
CPEN
0x00
0x01
Video Load
Detect
LOAD
0
0
0
LCFEN
0
ASPEN
ACPEN
0x00
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相關代理商/技術參數 |
參數描述 |
|---|---|
| MAX9507ATE+ | 功能描述:視頻放大器 1.8V DirectDrive Video Filter Amp RoHS:否 制造商:ON Semiconductor 通道數量:4 電源類型: 工作電源電壓:3.3 V, 5 V 電源電流: 最小工作溫度: 最大工作溫度: 封裝 / 箱體:TSSOP-14 封裝:Reel |
| MAX9507ATE+T | 功能描述:視頻放大器 1.8V DirectDrive Video Filter Amp RoHS:否 制造商:ON Semiconductor 通道數量:4 電源類型: 工作電源電壓:3.3 V, 5 V 電源電流: 最小工作溫度: 最大工作溫度: 封裝 / 箱體:TSSOP-14 封裝:Reel |
| MAX9507EVCMAXQU+ | 功能描述:放大器 IC 開發(fā)工具 MAX9507 Eval Kit RoHS:否 制造商:International Rectifier 產品:Demonstration Boards 類型:Power Amplifiers 工具用于評估:IR4302 工作電源電壓:13 V to 23 V |
| MAX9507EVKIT | 功能描述:視頻放大器 RoHS:否 制造商:ON Semiconductor 通道數量:4 電源類型: 工作電源電壓:3.3 V, 5 V 電源電流: 最小工作溫度: 最大工作溫度: 封裝 / 箱體:TSSOP-14 封裝:Reel |
| MAX9507EVKIT+ | 功能描述:放大器 IC 開發(fā)工具 MAX9507 Eval Kit RoHS:否 制造商:International Rectifier 產品:Demonstration Boards 類型:Power Amplifiers 工具用于評估:IR4302 工作電源電壓:13 V to 23 V |
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