Electronic Components Datasheet Search
  English  ▼

X  

Preview PDF HTML

ADPD144RI Datasheet(PDF) 26 Page - Analog Devices

Part # ADPD144RI
Description  PPG Optical Sensor Module with Integrated Red/IR Emitters and AFE
PDF  34 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

ADPD144RI Datasheet(HTML) 26 Page - Analog Devices

Back Button ADPD144RI Datasheet HTML 22Page - Analog Devices ADPD144RI Datasheet HTML 23Page - Analog Devices ADPD144RI Datasheet HTML 24Page - Analog Devices ADPD144RI Datasheet HTML 25Page - Analog Devices ADPD144RI Datasheet HTML 26Page - Analog Devices ADPD144RI Datasheet HTML 27Page - Analog Devices ADPD144RI Datasheet HTML 28Page - Analog Devices ADPD144RI Datasheet HTML 29Page - Analog Devices ADPD144RI Datasheet HTML 30Page - Analog Devices Next Button
Zoom Inzoom in Zoom Outzoom out
 26 / 34 page
background image
ADPD144RI
Data Sheet
Rev. A | Page 26 of 34
LED CONTROL REGISTERS
Table 14. LED Control Registers
Address
Data
Bit
Default
Value
Access
Name
Description
0x14
[15:12]
0x0
R/W
Reserved
Write 0x0 to these bits for proper operation.
[11:8]
0x5
R/W
SLOTB_PD_SEL
Selects connection of PD1, PD2, PD3, or PD4 for Time Slot B as shown in
Figure 14.
0x1: Channel 3 and Channel 4 are connected during Time Slot B.
0x4: Channel 1, Channel 2, Channel 3, and Channel 4 are connected
during Time Slot B.
Other: reserved.
[7:4]
0x4
R/W
SLOTA_PD_SEL
Selects connection of PD1, PD2, PD3, or PD4 for Time Slot A as shown in
Figure 14.
0x1: Channel 3 and Channel 4 are connected during Time Slot A.
0x4: Channel 1, Channel 2, Channel 3, and Channel 4 are connected
during Time Slot A.
Other: reserved.
[3:2]
0x0
R/W
SLOTB_LED_SEL
Time Slot B LED configuration. These bits determine which LED is
associated with Time Slot B.
0x0: reserved.
0x1: LEDX1 pulses during Time Slot B.
0x2: LEDX2 pulses during Time Slot B.
0x3: reserved.
[1:0]
0x1
R/W
SLOTA_LED_SEL
Time Slot A LED configuration. These bits determine which LED is
associated with Time Slot A.
0x0: reserved.
0x1: LEDX1 pulses during Time Slot A.
0x2: LEDX2 pulses during Time Slot A.
0x3: reserved.
0x23
[15:14]
0x0
R/W
Reserved
13
0x1
R/W
ILED1_SCALE
LEDX1 current scale factor.
1: 100% strength.
0: 40% strength (recommended operation setting).
LEDX1 Current Scale = 0.4 + 0.6 × Register 0x23, Bit 13.
12
0x1
R/W
Reserved
[11:4]
0x0
R/W
Reserved
Write 0x03.
[3:0]
0x0
R/W
ILED1_COARSE
LEDX1 coarse current setting. Coarse current sink target value of LED1 in
standard operation.
0: 25 mA.
1: 40 mA.
2: 55 mA.
3: 70 mA.
4: 85 mA.
5: 100 mA.
…
15: 250 mA.
LEDX1PEAK = LEDX1COARSE × LEDX1FINE × LEDX1SCALE
where:
LEDX1PEAK is the LEDX1 peak target value (mA).
LEDX1COARSE
= 28 + 15.5 × (Register 0x23, Bits[3:0]).
LEDX1FINE
= 0.71 + 0.024 × (Register 0x25, Bits[4:0]).
LEDX1SCALE
= 0.4 + 0.6 × (Register 0x23, Bit 13).



Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34


Datasheet Download

Go To PDF Page


Link URL



Does ALLDATASHEET help your business so far?  [ DONATE ] 

About Alldatasheet   |   Advertisement   |   Contact us   |   Privacy Policy   |   Link to Datasheet    |   Link Exchange   |   Manufacturer List
All Rights Reserved©Alldatasheet.com


Mirror Sites
English : Alldatasheet.com  |   English : Alldatasheet.net  |   Chinese : Alldatasheetcn.com  |   German : Alldatasheetde.com  |   Japanese : Alldatasheet.jp
Russian : Alldatasheetru.com  |   Korean : Alldatasheet.co.kr  |   Spanish : Alldatasheet.es  |   French : Alldatasheet.fr  |   Italian : Alldatasheetit.com
Portuguese : Alldatasheetpt.com  |   Polish : Alldatasheet.pl  |   Vietnamese : Alldatasheet.vn
Indian : Alldatasheet.in  |   Mexican : Alldatasheet.com.mx  |   British : Alldatasheet.co.uk  |   New Zealand : Alldatasheet.co.nz
Family Site : ic2ic.com  |   icmetro.com