Datasheet > AD7453ART-REEL7

AD7453ART-REEL7

更新时间： 2024-11-26 04:30:43

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
20页	254K
描述
Pseudo Differential, 555 kSPS, 12-Bit ADC in an 8-Lead SOT-23

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AD7453ART-REEL7 数据手册

Pseudo Differential, 555 kSPS,

12-Bit ADC in an 8-Lead SOT-23

AD7453

FEATURES

FUNCTIONAL BLOCK DIAGRAM

Specified for V_DDof 2.7 V to 5.25 V

Low Power at Max Throughput Rate:

3.3 mW Max at 555 kSPS with V_DD= 3 V

7.25 mW Max at 555 kSPS with V_DD= 5 V

Pseudo Differential Analog Input

Wide Input Bandwidth:

70 dB SINAD at 100 kHz Input Frequency

Flexible Power/Serial Clock Speed Management

No Pipeline Delays

12-BIT

SUCCESSIVE

APPROXIMATION

ADC

IN+

T/H

IN–

REF

High Speed Serial Interface—SPI^®/QSPI™/

MICROWIRE™/DSP Compatible

Power-Down Mode: 1 ␮A Max

8-Lead SOT-23 Package

SCLK

SDATA

AD7453

CONTROL LOGIC

APPLICATIONS

Transducer Interface

Battery-Powered Systems

Data Acquisition Systems

Portable Instrumentation

Motor Control

GND

Communications

GENERAL DESCRIPTION

PRODUCT HIGHLIGHTS

The AD7453 is a 12-bit, high speed, low power, successive

approximation (SAR) analog-to-digital converter that features a

pseudo differential analog input. This part operates from a

single 2.7 V to 5.25 V power supply and features throughput

rates up to 555 kSPS.

1. Operation with 2.7 V to 5.25 V Power Supplies.

2. High Throughput with Low Power Consumption.

With a 3 V supply, the AD7453 offers 3.3 mW max power

consumption for a 555 kSPS throughput rate.

3. Pseudo Differential Analog Input.

The part contains a low noise, wide bandwidth, differential

track-and-hold amplifier (T/H) that can handle input frequen-

cies in excess of 1 MHz. The reference voltage for the AD7453

is applied externally to the V_REFpin and can range from

100 mV to 3.5 V, depending on the power supply and what

suits the application.

4. Flexible Power/Serial Clock Speed Management.

The conversion rate is determined by the serial clock, allow-

ing the power to be reduced as the conversion time is reduced

through the serial clock speed increase. This part also features

a shutdown mode to maximize power efficiency at lower

throughput rates.

The conversion process and data acquisition are controlled

using CS and the serial clock, allowing the device to interface

with microprocessors or DSPs. The input signals are sampled

on the falling edge of CS; the conversion is also initiated at

this point.

5. Variable Voltage Reference Input.

6. No Pipeline Delay.

7. Accurate control of the sampling instant via a CS input and

once-off conversion control.

The SAR architecture of this part ensures that there are no

pipeline delays.

8. ENOB > 10-bits Typically with 500 mV Reference.

The AD7453 uses advanced design techniques to achieve very

low power dissipation.

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, 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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AD7453ART-REEL7 替代型号

型号	品牌	替代类型	描述	数据表
AD7453ARTZ-REEL7	ADI	完全替代	1-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO8, MO-178BA, SOT-23, 8 PIN
AD7453BRTZ-REEL7	ADI	完全替代	Pseudo Differential, 555 kSPS 12-Bit ADC in an 8-Lead SOT-23

与AD7453ART-REEL7相关器件

型号	品牌	获取价格	描述	数据表
AD7453ARTZ-REEL7	ADI	获取价格	1-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO8, MO-178BA, SOT-23, 8 PIN
AD7453BRM	ADI	获取价格	IC 1-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO8, MSOP-8, Analog to Digit
AD7453BRT	ADI	获取价格	暂无描述
AD7453BRT-R2	ADI	获取价格	Pseudo Differential, 555 kSPS, 12-Bit ADC in an 8-Lead SOT-23
AD7453BRT-REEL	ADI	获取价格	IC 1-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO8, SOT-23, 8 PIN, Analog t
AD7453BRT-REEL7	ADI	获取价格	Pseudo Differential, 555 kSPS, 12-Bit ADC in an 8-Lead SOT-23
AD7453BRTZ-REEL7	ADI	获取价格	Pseudo Differential, 555 kSPS 12-Bit ADC in an 8-Lead SOT-23
AD7456BRM	ADI	获取价格	IC 1-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO8, MICRO, SOIC-8, Analog t
AD7456BRT	ADI	获取价格	IC 1-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO8, SOT-23, 8 PIN, Analog t
AD7457	ADI	获取价格	Low Power, Pseudo Differential, 100 kSPS 12-Bit ADC in an 8-Lead SOT-23

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