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ADPD105BCPZ датащи(PDF) 53 Page - Analog Devices

номер детали ADPD105BCPZ
подробное описание детали  Photometric Front Ends
PDF  66 Pages
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производитель  AD [Analog Devices]
домашняя страница  http://www.analog.com
Logo AD - Analog Devices

ADPD105BCPZ датащи(HTML) 53 Page - Analog Devices

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Data Sheet
ADPD105/ADPD106/ADPD107
Rev. A | Page 53 of 66
Address
Data Bit
Default
Value
Access
Name
Description
0x23
[15:14]
0x0
R/W
Reserved
Write 0x0.
13
0x1
R/W
ILED1_SCALE
LEDX1 current scale factor.
1: 100% strength.
0: 40% strength; sets the LEDX1 driver in low power mode.
LEDX1 Current Scale = 0.4 + 0.6 × (Register 0x23, Bit 13).
12
0x1
R/W
Reserved
Write 0x1.
[11:7]
0x0
R/W
Reserved
Write 0x0.
[6:4]
0x0
R/W
ILED1_SLEW
LEDX1 driver slew rate control. The slower the slew rate, the safer
the performance in terms of reducing the risk of overvoltage of the
LED driver.
0: the slowest slew rate.
…
7: the fastest slew rate.
[3:0]
0x0
R/W
ILED1_COARSE
LEDX1 coarse current setting. Coarse current sink target value of
LEDX1 in standard operation.
0x0: lowest coarse setting.
…
0xF: highest coarse setting.
LED1PEAK = LED1COARSE × LED1FINE × LED1SCALE
where:
LED1PEAK is the LEDX1 peak target value (mA).
LED1COARSE = 50.3 + 19.8 × (Register 0x23, Bits[3:0]).
LED1FINE = 0.74 + 0.022 × (Register 0x25, Bits[4:0]).
LED1SCALE = 0.4 + 0.6 × (Register 0x23, Bit 13).
0x24
[15:14]
0x0
R/W
Reserved
Write 0x0.
13
0x1
R/W
ILED2_SCALE
LEDX2 current scale factor.
1: 100% strength.
0: 40% strength; sets the LEDX2 driver in low power mode.
LED2 Current Scale = 0.4 + 0.6 × (Register 0x24, Bit 13)
12
0x1
R/W
Reserved
Write 0x1.
[11:7]
0x0
R/W
Reserved
Write 0x0.
[6:4]
0x0
R/W
ILED2_SLEW
LEDX2 driver slew rate control. The slower the slew rate, the safer
the performance in terms of reducing the risk of overvoltage of the
LED driver.
0: the slowest slew rate.
…
7: the fastest slew rate.
[3:0]
0x0
R/W
ILED2_COARSE
LEDX2 coarse current setting. Coarse current sink target value of
LEDX2 in standard operation.
0x0: lowest coarse setting.
…
0xF: highest coarse setting.
LED2PEAK = LED2COARSE × LED2FINE × LED2SCALE
where:
LED2PEAK is the LEDX2 peak target value (mA).
LED2COARSE = 50.3 + 19.8 × (Register 0x24, Bits[3:0]).
LED2FINE = 0.74 + 0.022 × (Register 0x25, Bits[10:6]).
LED2SCALE = 0.4 + 0.6 × (Register 0x24, Bit 13).



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