AD9237BCPZ-20

更新时间： 2024-10-28 04:31:11

品牌	Logo	应用领域
亚德诺 - ADI		转换器模数转换器
页数	文件大小	规格书
28页	1013K
描述
12-Bit, 20 MSPS/40 MSPS/65 MSPS 3 V Low Power A/D Converter

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数据手册
替代型号

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AD9237BCPZ-20 数据手册

12-Bit, 20 MSPS/40 MSPS/65 MSPS

3 V Low Power A/D Converter

AD9237

FUNCTIONAL BLOCK DIAGRAM

FEATURES

Ultralow power

AVDD

DRVDD

85 mW at 20 MSPS

135 mW at 40 MSPS

190 mW at 65 MSPS

SNR = 66 dBc to Nyquist at 65 MSPS

SFDR = 80 dBc to Nyquist at 65 MSPS

DNL = 0.7 LSB

Differential input with 500 MHz bandwidth

Flexible analog input: 1 V p-p to 4 V p-p range

Offset binary, twos complement, or gray code data formats

Output enable pin

VIN+

VIN–

10-STAGE

SHA

1 1/2-BIT

PIPELINE

A/D

MDAC1

REFT

REFB

A/D

CORRECTION LOGIC

MODE2

OUTPUT BUFFERS

OTR

D11

AD9237

VREF

2-step power-down

Full power-down and sleep mode

Clock duty cycle stabilizer

CLOCK

DUTY CYCLE

STABILIZER

MODE

SELECT

SENSE

REF

SELECT

0.5V

AGND

CLK

PDWN

MODE

DGND

APPLICATIONS

Figure 1.

Ultrasound and medical imaging

Battery-powered instruments

Hand-held scope meters

Low cost digital oscilloscopes

Low power digital still cameras and copiers

Low power communications

GENERAL DESCRIPTION

PRODUCT HIGHLIGHTS

1. Evaluation boards available for all speed grades.

The AD9237 is a family of monolithic, single 3 V supply, 12-bit,

20 MSPS/40 MSPS/65 MSPS analog-to-digital converters

(ADC). This family features a high performance sample-and-

hold amplifier (SHA) and voltage reference. The AD9237 uses a

multistage differential pipelined architecture with output error

correction logic to provide 12-bit accuracy at 20 MSPS/

40 MSPS/65 MSPS data rates and guarantees no missing codes

over the full operating temperature range.

2. Operating at 65 MSPS, the AD9237 consumes a low 190 mW

at 65 MSPS, 135 mW at 40 MSPS, and 85 mW at 20 MSPS.

3. Power scaling reduces the operating power further when

running at lower speeds.

4. The AD9237 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.

5. The patented SHA input maintains excellent performance

for input frequencies beyond Nyquist and can be configured

for single-ended or differential operation.

6. The AD9237 is optimized for selectable and flexible input

ranges from 1 V p-p to 4 V p-p.

With significant power savings over previously available ADCs,

the AD9237 is suitable for applications in imaging and medical

ultrasound.

Fabricated on an advanced CMOS process, the AD9237 is

available in a 32-lead LFCSP and is specified over the industrial

temperature range (−40°C to +85°C).

7. An output enable pin allows for multiplexing of the outputs.

8. Two-step power-down supports a standby mode in addition

to a power-down mode.

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

selected input range.

10. The clock duty cycle stabilizer (DCS) maintains converter

performance over a wide range of clock pulse widths.

Rev. 0

Information furnished by Analog Devices is believed to be accurate and reliable. However, no

responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other

rights of third parties that may result from its use. Specifications subject to change without notice. No

license is granted by implication or otherwise under any patent or patent rights of Analog Devices.

Trademarks and registeredtrademarks arethe property of their respective owners.

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

Tel: 781.329.4700

Fax: 781.461.3113

www.analog.com

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AD9237BCPZ-20 替代型号

型号	品牌	替代类型	描述	数据表
AD9609BCPZ-20	ADI	类似代替	10-Bit, 20 MSPS/40 MSPS/65 MSPS/80 MSPS, 1.8 V Analog-to-Digital Converter
AD9629BCPZ-65	ADI	类似代替	12-Bit, 20 MSPS/40 MSPS/65 MSPS/80 MSPS, 1.8 V Analog-to-Digital Converter
AD9629BCPZ-20	ADI	类似代替	12-Bit, 20 MSPS/40 MSPS/65 MSPS/80 MSPS, 1.8 V Analog-to-Digital Converter

与AD9237BCPZ-20相关器件

型号	品牌	获取价格	描述	数据表
AD9237BCPZ-40	ADI	获取价格	12-Bit, 20 MSPS/40 MSPS/65 MSPS 3 V Low Power A/D Converter
AD9237BCPZ-65	ADI	获取价格	12-Bit, 20 MSPS/40 MSPS/65 MSPS 3 V Low Power A/D Converter
AD9237BCPZRL7-20	ADI	获取价格	12-Bit, 20 MSPS/40 MSPS/65 MSPS 3 V Low Power A/D Converter
AD9237BCPZRL7-40	ADI	获取价格	12-Bit, 20 MSPS/40 MSPS/65 MSPS 3 V Low Power A/D Converter
AD9237BCPZRL7-65	ADI	获取价格	12-Bit, 20 MSPS/40 MSPS/65 MSPS 3 V Low Power A/D Converter
AD9238	ADI	获取价格	12-Bit, 20/40/65 MSPS Dual A/D Converter
AD9238_05	ADI	获取价格	12-Bit, 20 MSPS/40 MSPS/65 MSPS Dual A/D Converter
AD9238_17	ADI	获取价格	Dual A/D Converter
AD9238BCP-20EB	ADI	获取价格	High Speed ADC USB FIFO Evaluation Kit
AD9238BCP-40EB	ADI	获取价格	High Speed ADC USB FIFO Evaluation Kit

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