Datasheet > AD9261BCPZ-10

AD9261BCPZ-10

更新时间： 2024-10-28 19:47:07

品牌	Logo	应用领域
亚德诺 - ADI		转换器
页数	文件大小	规格书
29页	610K
描述
16-Bit, 10 MHz Bandwidth, 30 MSPS to 160 MSPS Continuous Time Sigma-Delta ADC

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AD9261BCPZ-10 数据手册

16-Bit, 10 MHz Bandwidth, 30 MSPS to

160 MSPS Continuous Time Sigma-Delta ADC

AD9261

FEATURES

FUNCTIONAL BLOCK DIAGRAM

AVDD

DRVDD

SNR: 83 dB (85 dBFS) to 10 MHz input

SFDR: 87 dBc to 10 MHz input

Noise figure: 15 dB

VIN+

VIN–

D15

SAMPLE

RATE

CONVERTER

LOW-PASS

Σ-Δ

CMOS

BUFFER

DECIMATION

FILTER

MODULATOR

Input impedance: 1 kΩ

Power: 340 mW

PLL_

LOCKED

1.8 V analog supply operation

1.8 V to 3.3 V output supply

Selectable bandwidth

PHASE

LOCKED

LOOP

CLK+

CLK–

AD9261

VREF

CFILT

2.5 MHz/5 MHz/10 MHz

SERIAL

INTERFACE

DCO

Output data rate: 30 MSPS to 160 MSPS

Integrated decimation filters

Integrated sample rate converter

On-chip PLL clock multiplier

On-chip voltage reference

AGND

SDIO SCLK CSB DGND

Figure 1.

Offset binary, Gray code, or twos complement data format

Serial control interface (SPI)

APPLICATIONS

Data acquisition

Automated test equipment

Instrumentation

Medical imaging

GENERAL DESCRIPTION

The AD9261 is a single 16-bit analog-to-digital converter

(ADC) based on a continuous time (CT) sigma-delta (Σ-Δ)

architecture that achieves 87 dBc of dynamic range over a 10 MHz

input bandwidth. The integrated features and characteristics

unique to the continuous time Σ-Δ architecture significantly

simplify its use and minimize the need for external components.

The digital output data is presented in offset binary, Gray code,

or twos complement format. A data clock output (DCO) is

provided to ensure proper timing with the receiving logic.

The AD9261 operates on a 1.8 V analog supply and a 1.8 V

to 3.3 V digital supply, consuming 340 mW. The AD9261 is

available in a 48-lead LFCSP and is specified over the industrial

temperature range (−40°C to +85°C).

The AD9261 has a resistive input impedance that relaxes the

requirements of the driver amplifier. In addition, a 32× oversam-

pled fifth-order continuous time loop filter significantly attenuates

out-of-band signals and aliases, reducing the need for external

filters at the input.

PRODUCT HIGHLIGHTS

1. Continuous time Σ-Δ architecture efficiently achieves high

dynamic range and wide bandwidth.

2. Passive input structure reduces or eliminates the require-

ments for a driver amplifier.

3. An oversampling ratio of 32× and high order loop filter

provide excellent alias rejection reducing or eliminating the

need for antialiasing filters.

4. An integrated decimation filter, sample rate converter, PLL

clock multiplier, and voltage reference provide ease of use.

5. This part operates from a single 1.8 V analog power supply

and 1.8 V to 3.3 V output supply.

An external clock input or the integrated integer-N PLL provides

the 640 MHz internal clock needed for the oversampled conti-

nuous time Σ-Δ modulator. On-chip decimation filters and sample

rate converters reduce the modulator data rate from 640 MSPS to a

user-defined output data rate from 30 MSPS to 160 MSPS,

enabling a more efficient and direct interface.

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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与AD9261BCPZ-10相关器件

型号	品牌	获取价格	描述	数据表
AD9261BCPZRL7-10	ADI	获取价格	16-Bit, 10 MHz Bandwidth, 30 MSPS to 160 MSPS Continuous Time Sigma-Delta ADC
AD9262	ADI	获取价格	30 MSPS to 160 MSPS Dual Continuous Time Sigma-Delta ADC
AD9262_17	ADI	获取价格	30 MSPS to 160 MSPS Dual Continuous Time Sigma-Delta ADC
AD9262-10EBZ	ADI	获取价格	30 MSPS to 160 MSPS Dual Continuous Time Sigma-Delta ADC
AD9262-5EBZ	ADI	获取价格	30 MSPS to 160 MSPS Dual Continuous Time Sigma-Delta ADC
AD9262BCPZ	ROCHESTER	获取价格	2-CH 16-BIT DELTA-SIGMA ADC, PARALLEL ACCESS, QCC64, 9 X 9 MM, ROHS COMPLIANT, MO-220VMMD-
AD9262BCPZ	ADI	获取价格	16-Bit, 2.5 MHz/5 MHz/10 MHz, 30 MSPS to 160 MSPS Dual Continuous Time Sigma-Delta ADC
AD9262BCPZ-10	ADI	获取价格	30 MSPS to 160 MSPS Dual Continuous Time Sigma-Delta ADC
AD9262BCPZ-5	ADI	获取价格	30 MSPS to 160 MSPS Dual Continuous Time Sigma-Delta ADC
AD9262EBZ	ADI	获取价格	30 MSPS to 160 MSPS Dual Continuous Time Sigma-Delta ADC

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