EVAL-AD5940BIOZ 参数 Datasheet PDF下载

型号：	EVAL-AD5940BIOZ
PDF下载：	下载PDF文件查看货源
内容描述：	[High Precision, Impedance, and Electrochemical Front End]
分类和应用：
文件页数/大小：	130 页 / 1952 K
品牌：	ADI [ ADI ]

AD5940

Data Sheet

FUNCTIONAL BLOCK DIAGRAM

VREF_2V5 VREF_1V82 AVDD_REG AVDD AGND_REF XTALI XTALO

AGND

VREF_2V5

BIAS

0.92V INTERNAL

RCAL0

RCAL1

CE0

AMP

–

DUAL

PRECISION

BIAS

OUTPUTS

BUF

REFERENCE

16MHz/32MHz

XTAL

DRIVER

OSC

POR

12-BIT

VDAC

ZERO

REF

BUF

RE0

0.92V

LP REF

BIAS0

CE0

BUF

LPF0

ZERO

1.8V LP 1.8V HP

LPTIA

LDO

–

SE0

MISO

MOSI

SCLK

RE0

TIA0

ZERO0

SE0

GAIN 1/1.5/

2/4/9

f_C= 50kHz/100kHz/

250kHz

TIA0

SPI

1.8V

DE0

16-BIT ADC

160kSPS/

400kSPS

AVDD/2

VDE0

RC0_0

RC0_1

BUF

PGA

BUF

AAF

LOW BANDWIDTH AFE LOOP

RC0_0

RC0_1

RC0_2

ZERO0

GPIO0

GPIO1

GPIO2

GPIO3

GPIO4

GPIO5

GPIO6

GPIO7

BIAS0

COARSE OFFSET

CORRECTION

VREF_1V82

RCF

DACP

_EXCITATIONDACN

12-BIT

VDAC

AIN0

AIN1

AIN2

VCE0

VRE0

CE0

ADC FIFO

AND MMR

AMPLIFIER

LOOP

WAVEFORM

GENERATOR

BIAS

–

DFT

ZERO

AIN0

AINx

RE0

AIN3/BUF_VREF1V8

AIN4/LPF0

AIN6

CLOCK

GENERATOR

DIGITAL

FILTERS

16MHz

OSC

COMMAND

FIFO

ZERO

LOAD02

LOAD03

HPTIA

–

VREF_2V5/2

VREF_1V82

SE0

DE0

AFE1

AFE2

AFE3

AFE4

32kHz

OSC

WAKE-UP

TIMER

SEQUENCER

DNC

INTERRUPT

GENERATOR

GPIO

CRC

TIA2

HIGH BANDWIDTH AFE LOOP

TEMPERATURE

SENSOR

DIGITAL

VBIAS_CAP

AD5940

DVD_REG_1V8

DGND DVDD

RESET IOVDD

Figure 2.

Rev. 0 | Page 4 of 130

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EVAL-AD5940BIOZ 参数 Datasheet PDF下载

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