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參數(shù)資料
| 型號： | TDA8787A |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | 10-bit, 3.0 V, up to 25 Msps analog-to-digital interface for CCD cameras |
| 中文描述： | 10位，為3.0 V，高達(dá)25 Msps的模擬到數(shù)字的CCD相機(jī)接口 |
| 文件頁數(shù)： | 17/24頁 |
| 文件大?。?/td> | 125K |
| 代理商： | TDA8787A |
2000 Nov 14
17
Philips Semiconductors
Product specification
10-bit, 3.0 V, up to 25 Msps analog-to-digital
interface for CCD cameras
TDA8787A
APPLICATION INFORMATION
Power and grounding recommendations
When designing a printed-circuit board for applications
such as PC cameras, surveillance cameras, camcorders
and digital still cameras, care should be taken to minimize
the noise.
For the front-end integrated circuit, the basic rules
of printed-circuit board design and implementation
of analog components (such as additional operational
amplifiers) must be respected, particularly with respect
to power and ground connections.
The following additional recommendation is given for the
CDS input pin(s) which is /are internally connected to the
programmable gain amplifier.
The connections between the CCD interface and
CDS input should be as short as possible and a ground
ring protection around these connections can be
beneficial. Separate analog and digital supplies provide
the best solution. If this is not possible to do this on the
board then the analog supply pins must be decoupled
effectively from the digital supply pins. If the same power
supply and ground are used for all the pins then the
decouplingcapacitorsmustbeplacedascloseaspossible
to the IC package.
In order to minimize the noise due to package and die
parasitics in a two-ground system, the following measures
must be implemented:
All the analog and digital supply pins must be decoupled
to the analog ground plane. Only the ground pin
associated with the digital outputs must be connected to
thedigitalground plane.Alltheotherground pinsshould
be connected to the analog ground plane. The analog
anddigitalgroundplanesmustbeconnectedtogetherat
one point as close as possible to the ground pin
associated with the digital outputs.
The digital output pins and their associated lines should
be shielded by the digital ground plane which can then
be used as a return path for digital signals.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TDA8787AHL | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:10-bit, 3.0 V, up to 25 Msps analog-to-digital interface for CCD cameras |
| TDA8787AHL/C3,118 | 功能描述:電信線路管理 IC 10-BIT CCD 25MSPS RoHS:否 制造商:STMicroelectronics 產(chǎn)品:PHY 接口類型:UART 電源電壓-最大:18 V 電源電壓-最小:8 V 電源電流:30 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VFQFPN-48 封裝:Tray |
| TDA8787AHL/C3,151 | 功能描述:電信線路管理 IC ADC 10BIT 18MSPS RoHS:否 制造商:STMicroelectronics 產(chǎn)品:PHY 接口類型:UART 電源電壓-最大:18 V 電源電壓-最小:8 V 電源電流:30 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VFQFPN-48 封裝:Tray |
| TDA8787AHL/C3,157 | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC AFE Video 1ADC 10Bit 2.6V/3V 48-Pin RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| TDA8787AHL/S1 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:10-bit, 3.0 V, up to 25 Msps analog-to-digital interface for CCD cameras |
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