Datasheet > AD5940BCBZ-RL

AD5940BCBZ-RL

更新时间： 2024-02-25 21:50:28

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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技术参数
数据手册

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AD5940BCBZ-RL 技术参数

是否无铅：	含铅	是否Rohs认证：	符合
生命周期：	Active	包装说明：	WLCSP-56
针数：	56	Reach Compliance Code：	compliant
风险等级：	5.81	模拟集成电路 - 其他类型：	ANALOG CIRCUIT
JESD-30 代码：	R-PBGA-B56	长度：	4.16 mm
功能数量：	1	端子数量：	56
最高工作温度：	85 °C	最低工作温度：	-40 °C
封装主体材料：	PLASTIC/EPOXY	封装代码：	VFBGA
封装形状：	RECTANGULAR	封装形式：	GRID ARRAY, VERY THIN PROFILE, FINE PITCH
座面最大高度：	0.55 mm	最大供电电压 (Vsup)：	3.6 V
最小供电电压 (Vsup)：	2.8 V	标称供电电压 (Vsup)：	3.3 V
表面贴装：	YES	温度等级：	INDUSTRIAL
端子形式：	BALL	端子节距：	0.4 mm
端子位置：	BOTTOM	宽度：	3.56 mm

AD5940BCBZ-RL 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

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