Datasheet > EVAL-AD5940BIOZ

EVAL-AD5940BIOZ

更新时间： 2024-12-01 01:23:03

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
130页	1952K
描述
High Precision, Impedance, and Electrochemical Front End

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EVAL-AD5940BIOZ 数据手册

High Precision, Impedance, and

Electrochemical Front End

AD5940

Data Sheet

Fast power-up and power-down analog blocks for duty

FEATURES

Analog input

cycling

Programmable AFE sequencer to minimize workload of

host controller

6 kB SRAM to preprogram AFE sequences

Ultra low power potentiostat channel: 6.5 μA of current

consumption when powered on and all other blocks in

hibernate mode

16-bit, 800 kSPS ADC

Voltage, current, and impedance measurement capability

Internal and external current and voltage channels

Ultralow leakage switch matrix and input mux

Input buffers and programmable gain amplifier

Voltage DACs

Smart sensor synchronization and data collection

Cycle accurate control of sensor measurement

Sequencer controlled GPIOs

Dual output voltage DAC with an output range of 0.2 V

to 2.4 V

12-bit V_BIAS0output to bias potentiostat

6-bit V_ZERO0output to bias TIA

On-chip peripherals

SPI serial input/output

Ultra low power: 1 μA

Wake-up timer

1 high speed, 12-bit DAC

Interrupt controller

Power

2.8 V to 3.6 V supply

Output range to sensor: 607 mV

Programmable gain amplifier on output with gain

settings of 2 and 0.05

1.82 V input/output compliant

Power-on reset

Amplifiers, accelerators, and references

1 low power, low noise potentiostat amplifier suitable for

potentiostat bias in electrochemical sensing

1 low noise, low power TIA, suitable for measuring sensor

current output

50 pA to 3 mA range

Programmable load and gain resistors for sensor output

Analog hardware accelerators

Hibernate mode with low power DAC and potentiostat

amplifier powered up to maintain sensor bias

Package and temperature range

3.6 mm × 4.2 mm, 56-ball WLCSP

Fully specified for operating temperature range of −40°C

to +85°C

Digital waveform generator

Receive filters

Complex impedance measurement (DFT) engine

1 high speed TIA to handle wide bandwidth input signals

from 0.015 Hz up to 200 kHz

APPLICATIONS

Electrochemical measurements

Electrochemical gas sensors

Potentiostat/amperometric/voltammetry/cyclic

voltammetry

Digital waveform generator for generation of sinusoid and

trapezoid waveforms

Bioimpedance applications

Skin impedance

2.5 V and 1.82 V internal reference voltage sources

System level power savings

Body impedance

Continuous glucose monitoring

Battery impedance

SIMPLIFIED BLOCK DIAGRAM

POTENTIOSTAT:

AMPLIFIER AND DAC

WAVEFORM

GENERATOR

ADC FIFO

AND MMR

CURRENT

CHANNELS

DFT

16-BIT

ADC

VOLTAGE

CHANNELS

DIGITAL

FILTERS

DATA FIFO

INTERNAL

CHANNELS

SLEEP/WAKEUP

TIMER

LDOs

SEQUENCER

TEMPERATURE

CHANNEL

INTERRUPTION

GENERATOR

VOLTAGE

REFERENCES

GPIOs

SPI

IMPEDANCE ENGINE

AMPLIFIERS AND DAC

Figure 1.

Rev. 0

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

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

Technical Support

www.analog.com

12 3 4 5 6 7...130

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与EVAL-AD5940BIOZ相关器件

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EVAL-AD5940ELCZ	ADI	获取价格	High Precision, Impedance, and Electrochemical Front End
EVAL-AD608EBZ	ADI	获取价格	Low Power Mixer/Limiter/RSSI 3 V Receiver IF Subsystem
EVAL-AD7091R-2SDZ	ADI	获取价格	2-/4-/8-Channel, 1 MSPS, Ultralow Power, 12-Bit SAR ADC
EVAL-AD7091R-4SDZ	ADI	获取价格	2-/4-/8-Channel, 1 MSPS, Ultralow Power, 12-Bit SAR ADC
EVAL-AD7091R-8SDZ	ADI	获取价格	2-/4-/8-Channel, 1 MSPS, Ultralow Power, 12-Bit SAR ADC
EVAL-AD7091RSDZ	ADI	获取价格	1 MSPS, Ultralow Power, 12-Bit ADC in 10-Lead LFCSP and MSOP
EVAL-AD7091SDZ	ADI	获取价格	1 MSPS, Ultralow Power, 12-Bit ADC in 8-Lead LFCSP
EVAL-AD7142-1EBZ1	ADI	获取价格	Programmable Controller for Capacitance Touch Sensors
EVAL-AD7142EBZ1	ADI	获取价格	Programmable Controller for Capacitance Touch Sensors
EVAL-AD7143-1EBZ	ADI	获取价格	Programmable Controller for Capacitance Touch Sensors

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