Datasheet > ADS804

ADS804

更新时间： 2024-11-22 11:14:51

品牌	Logo	应用领域
德州仪器 - TI		转换器模数转换器
页数	文件大小	规格书
18页	913K
描述
12 位、10MSPS 模数转换器 (ADC)

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ADS804 数据手册

ADS804

ADS804E

SBAS068B – JANUARY 1997 – REVISED AUGUST 2002

12-Bit, 10MHz Sampling

ANALOG-TO-DIGITAL CONVERTER

FEATURES

APPLICATIONS

● HIGH SFDR: 80dB at NYQUIST

● IF AND BASEBAND DIGITIZATION

● HIGH SNR: 69dB

● CCD IMAGING

● LOW POWER: 180mW

● LOW DLE: ±0.3LSB

● SCANNERS

● TEST INSTRUMENTATION

● FLEXIBLE INPUT RANGE

● OVERRANGE INDICATOR

of 0.09LSBs rms giving superior imaging performance. There

is also a capability to set the input range in between the 2Vp-

p and 5Vp-p input ranges or to use external reference. The

ADS804 also provides an over-range indicator flag to indi-

cate an input range that exceeds the full-scale input range of

the converter. This flag can be used to reduce the gain of the

front end gain-ranging circuitry.

DESCRIPTION

The ADS804 is a high-speed, high dynamic range, 12-bit,

pipelined Analog-to-Digital (A/D) converter. This converter

includes a high-bandwidth track-and-hold that gives excel-

lent spurious performance up to and beyond the Nyquist

rate. This high-bandwidth, linear track-and-hold minimizes

harmonics and has low jitter, leading to excellent SNR

performance. The ADS804 is also pin-compatible with the

5MHz ADS803 and the 20MHz ADS805.

The ADS804 employs digital error correction techniques to

provide excellent differential linearity for demanding imaging

applications. Its low distortion and high SNR give the extra

margin needed for communications, medical imaging, video,

and test instrumentation applications. The ADS804 is avail-

able in a SSOP-28 package.

The ADS804 provides an internal reference and can be

programmed for a 2Vp-p input range for the best spurious

performance and ease of driving. Alternatively, the 5Vp-p

input range can be used for the lowest input referred noise

+V_S

CLK

VDRV

ADS804

Timing Circuitry

V_IN

12-Bit

Pipelined

A/D Converter Core

Error

Correction

Logic

3-State

Outputs

•

T&H

D11

(Opt.)

OVR

Reference Ladder

and Driver

Reference and

Mode Select

REFT

V_REF

SEL

REFB

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of Texas Instruments

standard warranty. Production processing does not necessarily include

testing of all parameters.

www.ti.com

12 3 4 5 6 7...18

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与ADS804相关器件

型号	品牌	获取价格	描述	数据表
ADS804E	BB	获取价格	12-Bit, 10MHz Sampling ANALOG-TO-DIGITAL CONVERTER
ADS804E	TI	获取价格	12 位、10MSPS 模数转换器 (ADC) \| DB \| 28 \| -40 to 85
ADS804E/1K	TI	获取价格	12 位、10MSPS 模数转换器 (ADC) \| DB \| 28 \| -40 to 85
ADS804E/1KG4	TI	获取价格	1-CH 12-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PDSO28, GREEN, PLASTIC, SSOP-28
ADS804EG4	TI	获取价格	12-Bit, 10 MSPS ADC Int/Ext Ref., flexible I/P between 2 and 5Vpp, Out of Range Indicator,
ADS804U	BB	获取价格	12-Bit, 10MHz Sampling ANALOG-TO-DIGITAL CONVERTER
ADS804U	TI	获取价格	12-Bit, 10-MSPS Analog-to-Digital Converter (ADC) 28-SOIC -40 to 85
ADS804U/1K	TI	获取价格	12-Bit, 10-MSPS Analog-to-Digital Converter (ADC) 28-SOIC -40 to 85
ADS804U/1K	BB	获取价格	ADC, Proprietary Method, 12-Bit, 1 Func, 1 Channel, Parallel, Word Access, PDSO28, SOIC-28
ADS805	BB	获取价格	12-Bit, 20MHz Sampling ANALOG-TO-DIGITAL CONVERTER

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