Datasheet > AD9235BCP-40

AD9235BCP-40

更新时间： 2024-10-27 22:39:27

品牌	Logo	应用领域
亚德诺 - ADI		转换器
页数	文件大小	规格书
32页	1129K
描述
12-Bit, 20/40/65 MSPS 3 V A/D Converter

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AD9235BCP-40 数据手册

12-Bit, 20/40/65 MSPS

3 V A/D Converter

AD9235

FUNCTIONAL BLOCK DIAGRAM

FEATURES

AVDD

DRVDD

Single 3 V Supply Operation (2.7 V to 3.6 V)

SNR = 70 dBc to Nyquist at 65 MSPS

SFDR = 85 dBc to Nyquist at 65 MSPS

Low Power: 300 mW at 65 MSPS

Differential Input with 500 MHz Bandwidth

On-Chip Reference and SHA

VIN+

VIN–

8-STAGE

SHA

MDAC1

A/D

1 1/2-BIT PIPELINE

REFT

REFB

A/D

DNL = ꢀ0.4 LSB

Flexible Analog Input: 1 V p-p to 2 V p-p Range

Offset Binary or Twos Complement Data Format

Clock Duty Cycle Stabilizer

CORRECTION LOGIC

OTR

OUTPUT BUFFERS

D11

APPLICATIONS

Ultrasound Equipment

AD9235

VREF

IF Sampling in Communications Receivers:

IS-95, CDMA-One, IMT-2000

Battery-Powered Instruments

Hand-Held Scopemeters

CLOCK

DUTY CYCLE

STABLIZER

MODE

SELECT

SENSE

REF

SELECT

0.5V

Low Cost Digital Oscilloscopes

CLK

PDWN

DGND

AGND

MODE

PRODUCT DESCRIPTION

PRODUCT HIGHLIGHTS

The AD9235 is a family of monolithic, single 3 V supply, 12-bit,

20/40/65 MSPS analog-to-digital converters. This family

features a high performance sample-and-hold amplifier (SHA)

and voltage reference. The AD9235 uses a multistage differential

pipelined architecture with output error correction logic to provide

12-bit accuracy at 20/40/65 MSPS data rates and guarantee

no missing codes over the full operating temperature range.

1. The AD9235 operates from a single 3 V power supply and

features a separate digital output driver supply to accommodate

2.5 V and 3.3 V logic families.

2. Operating at 65 MSPS, the AD9235 consumes a low 300 mW.

3. The patented SHA input maintains excellent performance

for input frequencies up to 100 MHz and can be configured

for single-ended or differential operation.

The wide bandwidth, truly differential SHA allows a variety of

user-selectable input ranges and offsets including single-ended

applications. It is suitable for multiplexed systems that switch

full-scale voltage levels in successive channels and for sampling

single-channel inputs at frequencies well beyond the Nyquist rate.

Combined with power and cost savings over previously available

analog-to-digital converters, the AD9235 is suitable for applica-

tions in communications, imaging, and medical ultrasound.

4. The AD9235 pinout is similar to the AD9214-65, a 10-bit,

65 MSPS ADC. This allows a simplified upgrade path from

10 bits to 12 bits for 65 MSPS systems.

5. The clock DCS maintains overall ADC performance over a

wide range of clock pulsewidths.

6. The OTR output bit indicates when the signal is beyond the

selected input range.

A single-ended clock input is used to control all internal conversion

cycles. A duty cycle stabilizer (DCS) compensates for wide

variations in the clock duty cycle while maintaining excellent

overall ADC performance. The digital output data is presented

in straight binary or twos complement formats. An out-of-range

(OTR) signal indicates an overflow condition that can be used

with the most significant bit to determine low or high overflow.

Fabricated on an advanced CMOS process, the AD9235 is available

in a 28-lead thin shrink small outline package (TSSOP) and a

32-lead chip scale package (LFCSP) and is specified over the

industrial temperature range (–40°C to +85°C).

REV. B

Information furnished by Analog Devices is believed to be accurate and

reliable. However, no responsibility is assumed by Analog Devices for its

use, norforanyinfringementsofpatentsorotherrightsofthirdpartiesthat

may result from its use. No license is granted by implication or otherwise

under any patent or patent rights of Analog Devices. Trademarks and

registered trademarks are the property of their respective companies.

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781/329-4700

Fax: 781/326-8703

www.analog.com

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AD9235BCP-40 替代型号

型号	品牌	替代类型	描述	数据表
AD9235BCPZ-40	ADI	完全替代	12-Bit, 20/40/65 MSPS 3 V A/D Converter
AD9235BCPZRL7-40	ADI	完全替代	12-Bit, 20/40/65 MSPS 3 V A/D Converter

与AD9235BCP-40相关器件

型号	品牌	获取价格	描述	数据表
AD9235BCP-40EB	ADI	获取价格	High Speed ADC USB FIFO Evaluation Kit
AD9235BCP-65	ADI	获取价格	12-Bit, 20/40/65 MSPS 3 V A/D Converter
AD9235BCP-65EB	ADI	获取价格	High Speed ADC USB FIFO Evaluation Kit
AD9235BCP-65EBZ	ADI	获取价格	12-Bit, 20/40/65 MSPS 3 V A/D Converter
AD9235BCPZ-20	ADI	获取价格	12-Bit, 20/40/65 MSPS 3 V A/D Converter
AD9235BCPZ-40	ADI	获取价格	12-Bit, 20/40/65 MSPS 3 V A/D Converter
AD9235BCPZ-65	ADI	获取价格	12-Bit, 20/40/65 MSPS 3 V A/D Converter
AD9235BCPZRL7-20	ADI	获取价格	12-Bit, 20/40/65 MSPS 3 V A/D Converter
AD9235BCPZRL7-40	ADI	获取价格	12-Bit, 20/40/65 MSPS 3 V A/D Converter
AD9235BCPZRL7-65	ADI	获取价格	12-Bit, 20/40/65 MSPS 3 V A/D Converter

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