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參數(shù)資料
| 型號(hào)： | TDA9962HL/S1 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | ADC |
| 英文描述： | 1-CH 12-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQFP48 |
| 封裝： | 7 X 7 MM, 1.40 MM HEIGHT, PLASTIC, MS-026, SOT-313-2, LQFP-48 |
| 文件頁數(shù)： | 9/24頁 |
| 文件大?。?/td> | 480K |
| 代理商： | TDA9962HL/S1 |
Philips Semiconductors
TDA9962
12-bit, 3.0 V, up to 25 Msps analog-to-digital interface for CCD cameras
Objective specication
Rev. 02 — 4 August 2000
17 of 24
9397 750 07343
Philips Electronics N.V. 2000. All rights reserved.
11.1 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 classical operational ampliers) 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 amplier.
The connections between the CCD interface and the CDS input should be as short as
possible and a ground ring protection around these connections can be benecial.
Separate analog and digital supplies provide the best solution. If it 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 decoupling capacitors must be placed as close as possible to the
IC package.
In a two-ground system, in order to minimize the noise through package and die
parasitics, the following recommendation 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 the
digital ground plane. All the other ground pins should be connected to the analog
ground plane. The analog and digital ground planes must be connected together at
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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| TDA9964 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:12-bit, 3.0 V, 30 Msps analog-to-digital interface for CCD cameras |
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| TDA9965A | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:12-bit, 5.0 V, 40 Msps analog-to-digital interface for CCD cameras |
| TDA9965AHL | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:12-bit, 5.0 V, 40 Msps analog-to-digital interface for CCD cameras |
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