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ADPD103 датащи(PDF) 40 Page - Analog Devices

номер детали ADPD103
подробное описание детали  TEMPERATURE AND POWER SPECIFICATIONS
PDF  53 Pages
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производитель  AD [Analog Devices]
домашняя страница  http://www.analog.com
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ADPD103 датащи(HTML) 40 Page - Analog Devices

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Data Sheet
ADPD103
Rev. B | Page 39 of 52
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.
0: 25 mA.
1: 40 mA.
2: 55 mA.
…
15: 250 mA.
LED1PEAK = LED1COARSE × LED1FINE × LED1SCALE
where:
LED1PEAK is the LEDX1 peak target value (mA).
LED1COARSE = 28 + 15.46 × (Register 0x23, Bits[3:0]).
LED1FINE = 0.71 + 0.024 × (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
LED2 in standard operation. See Register 0x23, Bits[3:0] for values.
LED2PEAK = LED2COARSE × LED2FINE × LED2SCALE
where:
LED2PEAK is the LEDX2 peak target value (mA).
LED2COARSE = 28 + 15.46 × (Register 0x24, Bits[3:0]).
LED2FINE = 0.71 + 0.024 × (Register 0x25, Bits[10:6]).
LED2SCALE = 0.4 + 0.6 × (Register 0x24, Bit 13).



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