Datasheet > EVAL-AD7352EDZ

EVAL-AD7352EDZ

更新时间： 2024-12-01 06:58:07

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
20页	498K
描述
Differential Input, Dual, Simultaneous Sampling, 3 MSPS, 12-Bit, SAR ADC

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EVAL-AD7352EDZ 数据手册

Differential Input, Dual, Simultaneous

Sampling, 3 MSPS, 12-Bit, SAR ADC

AD7352

FUNCTIONAL BLOCK DIAGRAM

FEATURES

DRIVE

Dual 12-bit SAR ADC

Simultaneous sampling

AD7352

Throughput rate: 3 MSPS per channel

Specified for V_DDat 2.5 V

No conversion latency

INA+

12-BIT

SUCCESSIVE

APPROXIMATION

ADC

T/H

SDATA

INA–

REF

Power dissipation: 26 mW at 3 MSPS

On-chip reference: 2.048 V 0.25%, 6 ppm/°C

Dual conversion with read

High speed serial interface: SPI-/QSPI™-/MICROWIRE™-/ DSP-

compatible

BUF

SCLK

CONTROL

LOGIC

REF

BUF

−40°C to +125°C operation

Available in a 16-lead TSSOP

REF

12-BIT

SUCCESSIVE

APPROXIMATION

ADC

SDATA

INB+

INB–

T/H

AGND

REFGND

DGND

Figure 1.

GENERAL DESCRIPTION

PRODUCT HIGHLIGHTS

The AD7352¹is a dual, 12-bit, high speed, low power, successive

approximation ADC that operates from a single 2.5 V power

supply and features throughput rates up to 3 MSPS. The part

contains two ADCs, each preceded by a low noise, wide band-

width track-and-hold circuit that can handle input frequencies

in excess of 110 MHz.

1. Two Complete ADC Functions.

These functions allow simultaneous sampling and conversion

of two channels. The conversion result of both channels is

simultaneously available on separate data lines or in suc-

cession on one data line if only one serial port is available.

2. High Throughput With Low Power Consumption.

The AD7352 offers a 3 MSPS throughput rate with 26 mW

power consumption.

The conversion process and data acquisition use standard

control inputs allowing for easy interfacing to microprocessors

3. No Conversion Latency.

or DSPs. The input signal is sampled on the falling edge of

;

The AD7352 features two standard successive approx-

imation ADCs with accurate control of the sampling

and a conversion is also initiated at this point. The conversion

time is determined by the SCLK frequency.

instant via a

input and, once off, conversion control.

The AD7352 uses advanced design techniques to achieve very

low power dissipation at high throughput rates. With a 2.5 V

supply and a 3 MSPS throughput rate, the part consumes 10 mA

typically. The part also offers a flexible power/throughput rate

management options.

Table 1. Related Devices

Generic Resolution

Throughput

Analog Input

AD7356

AD7266

AD7866

AD7366

AD7367

12-bit

14-bit

5 MSPS

2 MSPS

1 MSPS

Differential

Differential/single ended

Single-ended

Single-ended bipolar

The analog input range for the part is the differential common-

mode

V_REF/2. The AD7352 has an on-chip 2.048 V reference

1 MSPS

that can be overdriven when an external reference is preferred.

The AD7352 is available in a 16-lead thin shrink small outline

package (TSSOP).

¹Protected by U.S. Patent No. 6,681,332.

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EVAL-AD7352EDZ相关器件

型号	品牌	获取价格	描述	数据表
EVAL-AD7356EDZ	ADI	获取价格	Differential Input, Dual, Simultaneous Sampling, 5 MSPS, 12-Bit, SAR ADC
EVAL-AD7357EDZ	ADI	获取价格	Differential Input, Dual, Simultaneous Sampling, 4.2 MSPS, 14-Bit, SAR ADC
EVAL-AD7366CBZ	ADI	获取价格	True Bipolar Input, Dual 1 レs, 12-/14-Bit, 2-
EVAL-AD7366SDZ	ADI	获取价格	BOARD EVAL FOR AD7366
EVAL-AD7367CBZ	ADI	获取价格	True Bipolar Input, Dual 1 レs, 12-/14-Bit, 2-
EVAL-AD7367SDZ	ADI	获取价格	BOARD EVAL AD7367
EVAL-AD7376EBZ	ADI	获取价格	128-Position Digital Potentiometer
EVAL-AD7380FMCZ	ADI	获取价格	Dual, Simultaneous Sampling SAR ADCs, Differential Inputs
EVAL-AD7381FMCZ	ADI	获取价格	Dual, Simultaneous Sampling SAR ADCs, Differential Inputs
EVAL-AD7400AEBZ	ADI	获取价格	Isolated Sigma-Delta Modulator

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