Datasheet > AD7193BCPZ-RL7

AD7193BCPZ-RL7

更新时间： 2024-11-24 19:02:39

品牌	Logo	应用领域
亚德诺 - ADI		转换器
页数	文件大小	规格书
57页	1100K
描述
4-Channel, 4.8 kHz, Ultralow Noise, 24-Bit Sigma-Delta ADC with PGA

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AD7193BCPZ-RL7 数据手册

4-Channel, 4.8 kHz, Ultralow Noise,

24-Bit Sigma-Delta ADC with PGA

AD7193

Data Sheet

Pressure measurement

Temperature measurement

Flow measurement

Weigh scales

Chromatography

FEATURES

Fast settling filter option

4 differential/8 pseudo differential input channels

RMS noise: 11 nV @ 4.7 Hz (gain = 128)

15.5 noise-free bits @ 2.4 kHz (gain = 128)

Up to 22 noise-free bits (gain = 1)

Offset drift: 5 nV/°C

Gain drift: 1 ppm/°C

Specified drift over time

Automatic channel sequencer

Programmable gain (1 to 128)

Output data rate: 4.7 Hz to 4.8 kHz

Internal or external clock

Medical and scientific instrumentation

GENERAL DESCRIPTION

The AD7193 is a low noise, complete analog front end for high

precision measurement applications. It contains a low noise,

24-bit sigma-delta (Σ-Δ) analog-to-digital converter (ADC).

The on-chip low noise gain stage means that signals of small

amplitude can interface directly to the ADC.

The device can be configured to have four differential inputs or

eight pseudo differential inputs. The on-chip channel sequencer

allows several channels to be enabled simultaneously, and the

AD7193 sequentially converts on each enabled channel, simplifying

communication with the part. The on-chip 4.92 MHz clock can

be used as the clock source to the ADC or, alternatively, an external

clock or crystal can be used. The output data rate from the part

can be varied from 4.7 Hz to 4.8 kHz.

Simultaneous 50 Hz/60 Hz rejection

4 general-purpose digital outputs

Power supply

AV_DD: 3 V to 5.25 V

DV_DD: 2.7 V to 5.25 V

Current: 4.65 mA

Temperature range: −40°C to +105°C

28-lead TSSOP and 32-lead LFCSP packages

Interface

3-wire serial

SPI, QSPI™, MICROWIRE™, and DSP compatible

Schmitt trigger on SCLK

The device has a very flexible digital filter, including a fast

settling option. Variables such as output data rate and settling

time are dependent on the option selected. The AD7193 also

includes a zero latency option.

APPLICATIONS

The part operates with a power supply from 3 V to 5.25 V. It

consumes a current of 4.65 mA, and it is available in a 28-lead

TSSOP package and a 32-lead LFCSP package.

PLC/DCS analog input modules

Data acquisition

Strain gage transducers

FUNCTIONAL BLOCK DIAGRAM

AGND

DGND

REFIN1(+) REFIN1(–)

AD7193

AIN1

AIN2

AIN3

AIN4

AIN5

AIN6

AIN7

AIN8

DOUT/RDY

SERIAL

INTERFACE

AND

CONTROL

LOGIC

MUX

DIN

Σ-Δ

ADC

PGA

SCLK

AINCOM

SYNC

TEMP

SENSOR

BPDSW

CLOCK

CIRCUITRY

AGND

MCLK1 MCLK2

P0/REFIN2(–) P1/REFIN2(+)

Figure 1.

Rev. E

Document Feedback

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

rightsof third parties that may result fromits 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 andregisteredtrademarks are the property of their respective owners.

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

Technical Support

www.analog.com

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AD7193BCPZ-RL7 替代型号

型号	品牌	替代类型	描述	数据表
AD7193BCPZ-RL	ADI	类似代替	4-Channel, 4.8 kHz, Ultralow Noise, 24-Bit Sigma-Delta ADC with PGA

与AD7193BCPZ-RL7相关器件

型号	品牌	获取价格	描述	数据表
AD7193BRUZ	ADI	获取价格	4-Channel, 4.8 kHz, Ultralow Noise, 24-Bit Sigma-Delta ADC with PGA
AD7193BRUZ-REEL	ADI	获取价格	4-Channel, 4.8 kHz, Ultralow Noise, 24-Bit Sigma-Delta ADC with PGA
AD7194	ADI	获取价格	8-Channel, 4.8 kHz, Ultralow Noise, 24-Bit Sigma-Delta ADC with PGA
AD7194BCPZ	ADI	获取价格	8-Channel, 4.8 kHz, Ultralow Noise, 24-Bit Sigma-Delta ADC with PGA
AD7194BCPZ-REEL	ADI	获取价格	8-Channel, 4.8 kHz, Ultralow Noise, 24-Bit Sigma-Delta ADC with PGA
AD7194BCPZ-REEL7	ADI	获取价格	8-Channel, 4.8 kHz, Ultralow Noise, 24-Bit Sigma-Delta ADC with PGA
AD7195	ADI	获取价格	4.8 kHz, Ultralow Noise, 24-Bit Sigma-Delta ADC with PGA and AC Excitation
AD7195BCPZ	ADI	获取价格	4.8 kHz, Ultralow Noise, 24-Bit Sigma-Delta ADC with PGA and AC Excitation
AD7195BCPZ-RL	ADI	获取价格	4.8 kHz, Ultralow Noise, 24-Bit Sigma-Delta ADC with PGA and AC Excitation
AD7195BCPZ-RL7	ADI	获取价格	4.8 kHz, Ultralow Noise, 24-Bit Sigma-Delta ADC with PGA and AC Excitation

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