Datasheet > ADS850

ADS850

更新时间： 2024-11-29 22:40:39

品牌	Logo	应用领域
德州仪器 - TI		转换器
页数	文件大小	规格书
15页	306K
描述
14-Bit, 10MSPS Self-Calibrating ANALOG-TO-DIGITAL CONVERTER

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ADS850 数据手册

ADS850

SBAS154C – OCTOBER 2000 – REVISED OCTOBER 2002

14-Bit, 10MSPS Self-Calibrating

ANALOG-TO-DIGITAL CONVERTER

FEATURES

● SELF-CALIBRATING

● HIGH SFDR: 85dB at NYQUIST

● HIGH SNR: 76dB

DESCRIPTION

The ADS850 is a high dynamic range, 14-bit Analog-to-Digital

Converter (ADC) that utilizes a fully differential input, allowing for

either single-ended or differential input interface over varying

input spans. This converter features digital error correction tech-

niques ensuring 14-bit linearity and a calibration procedure that

corrects for capacitor and gain mismatches. The ADS850 also

includes a high-bandwidth track-and-hold that provides excellent

spurious performance up to and beyond the Nyquist rate.

● LOW POWER: 250mW

●

DIFFERENTIAL OR SINGLE-ENDED INPUTS

+3V/+5V LOGIC I/O COMPATIBLE

● FLEXIBLE INPUT RANGE

The ADS850 provides an internal reference that can be pro-

grammed for a 2Vp-p input range for the best spurious perfor-

mance and ease of driving. Alternatively, the 4Vp-p input range

can be used for the lowest input referred noise, offering

superior signal-to-noise performance for imaging applications.

There is also the capability to set the range between 2Vp-p and

4Vp-p, or to use an external reference. The ADS850 also

provides an over-range indicator flag to indicate if the input has

exceeded the full-scale input range of the converter.

● OVER-RANGE INDICATOR

● INTERNAL OR EXTERNAL REFERENCE

APPLICATIONS

● IF AND BASEBAND DIGITIZATION

● CCD IMAGING SCANNERS

● TEST INSTRUMENTATION

● IR IMAGING

The low distortion and high signal-to-noise performance pro-

vide the extra margin needed for communications, imaging,

and test instrumentation applications. The ADS850 is available

in a TQFP-48 package.

+V_S

CLK

VDRV

ADS850

Timing Circuitry

Error

Correction

Logic

V_IN

14-Bit

Pipelined

ADC Core

3-State

Outputs

•

T&H

D13

and

(Opt.)

Calibration

Circuitry

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...15

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与ADS850相关器件

型号	品牌	获取价格	描述	数据表
ADS850_15	TI	获取价格	ANALOG-TO-DIGITAL CONVERTER
ADS8504	BB	获取价格	12-BIT 250-KSPS SAMPLING CMOS ANALOG-TO-DIGITAL CONVERTER
ADS8504	TI	获取价格	具有并行接口 2.5V 内部基准的 12 位 250kHz CMOS 模数转换器
ADS8504IB	BB	获取价格	12-BIT 250-KSPS SAMPLING CMOS ANALOG-TO-DIGITAL CONVERTER
ADS8504IBDW	BB	获取价格	12-BIT 250-KSPS SAMPLING CMOS ANALOG-TO-DIGITAL CONVERTER
ADS8504IBDW	TI	获取价格	具有并行接口 2.5V 内部基准的 12 位 250kHz CMOS 模数转换器 \| DW
ADS8504IBDWG4	BB	获取价格	12-BIT 250-KSPS SAMPLING CMOS ANALOG-TO-DIGITAL CONVERTER
ADS8504IBDWR	BB	获取价格	12-BIT 250-KSPS SAMPLING CMOS ANALOG-TO-DIGITAL CONVERTER
ADS8504IBDWR	TI	获取价格	具有并行接口 2.5V 内部基准的 12 位 250kHz CMOS 模数转换器 \| DW
ADS8504IBDWRG4	BB	获取价格	12-BIT 250-KSPS SAMPLING CMOS ANALOG-TO-DIGITAL CONVERTER

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