Datasheet > WM8200-10IFL

WM8200-10IFL

更新时间： 2024-02-29 13:44:55

品牌	Logo	应用领域
欧胜 - WOLFSON		/
页数	文件大小	规格书
16页	162K
描述
40MSPS ADC with PGA

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中文翻译

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技术参数
数据手册

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WM8200-10IFL 技术参数

生命周期：	Obsolete	Reach Compliance Code：	unknown
风险等级：	5.84	Is Samacsys：	N
Base Number Matches：	1

WM8200-10IFL 数据手册

WM8200-10/12

40MSPS ADC with PGA

DESCRIPTION

FEATURES

•

10 or 12-bit resolution ADC

40MSPS conversion rate

The WM8200 is a CMOS high speed, low power, pipeline

analogue-to-digital converter (ADC) with 10 or 12-bit output

options. It also has an on-chip programmable gain amplifier

(PGA), dc clamp circuit and internal voltage references.

Conversion is controlled by a single clock input.

Programmable Gain Amplifier (PGA)

Adjustable internal voltage references

Built in clamp function (dc restore) with 10-bit DAC

Wide Input Bandwidth - 900MHz

The device has a high bandwidth differential sample and hold

input, which gives excellent common-mode noise immunity

and low distortion. Alternatively, it can be driven in single

ended fashion with an optional voltage clamp for dc

restoration that can take its reference from an on-chip 10-bit

DAC.

Unsigned Binary or Two’s complement output format

Programmable via 3-wire serial MPU interface

Single 3V supply operation

Low power - 100mW typical at 3.0V supplies

Powerdown mode to <0.1mW typical

28 lead QFN package

The WM8200 provides internal reference voltages for setting

the ADC full-scale range without the requirement for external

circuitry. However, it can also accept external references for

applications where shared or high-precision references are

required.

APPLICATIONS

A 3-wire serial interface is used to control the device and a

10 or 12-bit parallel interface is to read ADC conversion data.

ADC data can be output in unsigned binary or two’s

complement format.

•

Digital Still Cameras

Composite Video Digitisation

Digital Copiers

Digital Video Cameras

The WM8200 operates with a single 3V supply and is

supplied in a 28-lead QFN package.

BLOCK DIAGRAM

CLAMP

LEVEL

CONTROL

REGISTERS

AMPLIFIER

SCLK

SDIN

DAC

CSB

AINP

AINN

DO[9:0] WM8200-10

DO[11:0] WM8200-12

S/H

PGA

ADC

CORE

Core

ADC

OUTPUT

BUFFERS

TIMING

CONTROL

REFSENSE

VREF

ON-CHIP

REFERENCE

GENERATOR

CLK

MODE

DVDD

DGND

WM8200

AVDD

AGND

REFB REFT

Product Preview March 2002, Rev 1.22

WOLFSON MICROELECTRONICS LTD

www.wolfsonmicro.com

12 3 4 5 6 7...16

中文翻译

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