ADPD6000 datasheet(34/89 Pages) AD

34 / 89 page

Data Sheet

ADPD6000

APPLICATIONS INFORMATION

analog.com

Rev. 0 | 34 of 89

Recommended Configurations for Multimodal

Measurement

The following is one of the recommended configurations for BIOZ,

ECG, and PPG operation. The data pattern in the FIFO is ECG × 5

+ PPG_A + PPG_B + BIOZ_A + BIOZ_B + BIOZ_C + BIOZ_D = 52

bytes.

#System configuration

0006 0034 # FIFO Interrupt Generation Thresh►

old 52bytes

000F 0002 # Enable Low Frequency Oscillator

960KHz

0009 00B2 # High frequency oscillator Frequen►

cy control

000B 0206 # Low frequency oscillator Frequency

control

0046 2004 # better ambient setting

004C 400B # lower current setting

005B 0C20 # better ambient settling

000D 2580 # 100Hz ODR = 960k/9600

0020 0022 # All the inputs connected to Cath►

ode1 when input pair sleep

0021 0000 # Use as two single ended inputs &

Cathode1 set to VDD during sleep

# Slot A with IR LED

0120 1800 # Two region digital integrate mode

0121 4528 # TIA + BUF + ADC (1x TIA config) &

Enable coarse and fine ambient_cancellation

0122 0001 # inp1 to channel 1

0123 5002 # Precondition with AFE_Vref & VC1 =

V_Delta

0124 FAD2 # Enable tia saturation detection,

AFE_Vref = 0.885V tia_gain_ch1&ch2=100k, chan►

nel1 & channel2 Buffer gain = 2 (Rfb/Rin =

100K/50K)

0125 3000 # Channel1 & channel2 integrator ca►

pacitor = 12.6pF

0128 8400 # LED current setting

4*1.57mA(=6.3mA) on output 2B

012A 0D02 # num_int=13, num_repeat=2

012B 008A # min_period=138

012C 245B # led_width=36, led_offset=91

0135 0004 # Dark size=0 & Signal size=4

0138 0065 # lit_offset=101

0139 53B0 # dark2_offset=167, dark1_offset=48

# Slot B with Green LED

0140 1800 # Two region digital integrate mode

0141 4528 # TIA + BUF + ADC (1x TIA config) &

Enable coarse and fine ambient_cancellation

0142 0030 # inp4 to channel 1

0143 5002 # Precondition with AFE_Vref & VC1 =

V_Delta

0144 FAD2 # Enable tia saturation detection,

AFE_Vref = 0.885V tia_gain_ch1&ch2=100k, chan►

nel1 & channel2 Buffer gain = 2 (Rfb/Rin =

100K/50K)

0145 3000 # Channel1 & channel2 integrator ca►

pacitor = 12.6pF

0148 000B # LED current setting

11*1.57mA(=17mA) on output 1A

014A 0A03 # num_int=10, num_repeat=3

014B 003A # min_period=58

014C 183C # led_width=24, led_offset=60

0155 0004 # Dark size=0 & Signal size=4

0158 0040 # lit_offset=64

0159 2D30 # dark2_offset=90, dark1_offset=48

#ECG setting

001E 0200 # Enable ECG sat status byte

0074 0028 # ECG ACLO LPF coefficient

0077 0100 # ECG PGA power optimization

0100 043F # ECG input connection, resolution

286nV/LSB, RLD output is Regulated common-mode

input; enable RLD DCLO,RLD DCLO threshold

AVDD3V-0.4V/0.4V, enable RLD loop

0101 9FAF # ACLO: enable, excite current 10nA,

threshold max; DCLO: enable, excite current

6nA, threshold AVDD3V-0.4V,ECGIN source, ECGIP

source

0102 0029 # ratio of ECG to PPG ODR is 5,

ECG/PPG = 500Hz/100Hz

# BIOZ Time slot A configure #

02A0 0003 #tia/dacref enable

02A7 320D #exbuf enable

02AA 2E30 #amp/pag enable

02A2 0001 #sinewave frequency is 50kHz

02A1 99A2 #sinewave frequency is 50kHz

02AB 2803 #switch connection to measure exter►

nal Rcal voltage

02AD 0004 #bypass the SINC filter

02AE 0008 #DFT number is 1024

# BIOZ Time slot B configure #

02C0 0003 #tia/dacref enable

02C7 320D #exbuf enable

02CA 2E30 #amp/pag enable

02C2 0001 #sinewave frequency is 50kHz

02C1 99A2 #sinewave frequency is 50kHz

02CB 0003 #switch connection to measure exter►

nal Rcal current

02CD 0004 #bypass the SINC filter

02CE 0008 #DFT number is 1024

# BIOZ Time slot C configure #

02E0 0003 #tia/dacref enable

02E7 320D #exbuf enable

02EA 2E30 #amp/pag enable

02E2 0001 #sinewave frequency is 50kHz

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