Datasheet > AD7453ARTZ-REEL7

AD7453ARTZ-REEL7

更新时间： 2024-09-13 14:47:35

品牌	Logo	应用领域
亚德诺 - ADI		光电二极管转换器
页数	文件大小	规格书
21页	423K
描述
1-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO8, MO-178BA, SOT-23, 8 PIN

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AD7453ARTZ-REEL7 数据手册

Pseudo Differential, 555 kSPS

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

AD7453

FUNCTIONAL BLOCK DIAGRAM

FEATURES

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

IN+

12-BIT

T/H

SUCCESSIVE

APPROXIMATION

ADC

IN–

REF

High speed serial interface:

SCLK

SPI®/QSPI™/MICROWIRE™/DSP compatible

Power-down mode: 1 µA max

8-lead SOT-23 package

SDATA

AD7453

CONTROL LOGIC

APPLICATIONS

Transducer interface

GND

Battery-powered systems

Data acquisition systems

Portable instrumentation

Figure 1.

PRODUCT HIGHLIGHTS

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

GENERAL DESCRIPTION

The AD7453¹is 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.

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.

4. Flexible Power/Serial Clock Speed Management. The

conversion rate is determined by the serial clock, allowing

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 part contains a low noise, wide bandwidth, differential

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

cies up to 3.5 MHz. The reference voltage for the AD7453 is

applied externally to the V_REFpin and can range from 100 mV to

V_DD, depending on the power supply and what suits the

application.

5. Variable Voltage Reference Input.

6. No Pipeline Delay.

The conversion process and data acquisition are controlled

using

and the serial clock, allowing the device to interface

7. Accurate control of the sampling instant via a

once-off conversion control.

input and

with microprocessors or DSPs. The input signals are sampled on

the falling edge of ; the conversion is also initiated at this

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

point.

The SAR architecture of this part ensures that there are no

pipeline delays. The AD7453 uses advanced design techniques

to achieve very low power dissipation.

¹Protected by U.S. Patent Number 6,681,332.

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, 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

registered trademarks are the property of their respective owners.

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

Tel: 781.329.4700

Fax: 781.326.8703

www.analog.com

12 3 4 5 6 7...21

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AD7453ARTZ-REEL7 替代型号

型号	品牌	替代类型	描述	数据表
AD7453BRTZ-REEL7	ADI	完全替代	Pseudo Differential, 555 kSPS 12-Bit ADC in an 8-Lead SOT-23
AD7453BRT-R2	ADI	完全替代	Pseudo Differential, 555 kSPS, 12-Bit ADC in an 8-Lead SOT-23

与AD7453ARTZ-REEL7相关器件

型号	品牌	获取价格	描述	数据表
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
AD7457_05	ADI	获取价格	Low Power, Pseudo Differential, 100 kSPS

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