Datasheet

ADP8866 Data Sheet
Rev. A | Page 40 of 52
Sink Current Register LED3 (ISC3)—Register 0x25
Table 62. ISC3 Bit Map
Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
Reserved SCD3
Table 63.
Bit Name Bit No. Description
N/A 7 Reserved.
SCD3 [6:0] Sink current. All values scale with the setting of LEVEL_SET. See Table 39 for a complete list of values.
DAC Code
Current (mA)
(Full Scale =
25 mA)
LEVEL_SET =
000010
Current (mA)
(Full Scale =
12.5 mA)
LEVEL_SET =
001100
Current (mA)
(Full Scale =
8.25 mA)
LEVEL_SET =
010110
Current (mA)
(Full Scale =
6.25 mA)
LEVEL_SET =
100000
Current (mA)
(Full Scale =
5.0 mA)
LEVEL_SET =
101010
0x00 0.0 0.0 0.0 0.0 0.0
0x01 0.0016 0.0008 0.0005 0.0004 0.0003
0x02 0.0062 0.0031 0.0021 0.0016 0.0012
0x03 0.014 0.0070 0.0047 0.0035 0.0028
… … … … … …
0x7F 25.0 12.5 8.33 6.25 5.0
Sink Current Register LED4 (ISC4)—Register 0x26
Table 64. ISC4 Bit Map
Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
Reserved SCD4
Table 65.
Bit Name Bit No. Description
N/A 7 Reserved.
SCD4 [6:0] Sink current. All values scale with the setting of LEVEL_SET. See Table 39 for a complete list of values.
DAC Code
Current (mA)
(Full Scale =
25 mA)
LEVEL_SET =
000010
Current (mA)
(Full Scale =
12.5 mA)
LEVEL_SET =
001100
Current (mA)
(Full Scale =
8.25 mA)
LEVEL_SET =
010110
Current (mA)
(Full Scale =
6.25 mA)
LEVEL_SET =
100000
Current (mA)
(Full Scale =
5.0 mA)
LEVEL_SET =
101010
0x00 0.0 0.0 0.0 0.0 0.0
0x01 0.0016 0.0008 0.0005 0.0004 0.0003
0x02
0.0062
0.0031
0.0021
0.0016
0.0012
0x03 0.014 0.0070 0.0047 0.0035 0.0028
…
…
…
…
…
…
0x7F 25.0 12.5 8.33 6.25 5.0
Sink Current Register LED5 (ISC5)—Register 0x27
Table 66. ISC5 Bit Map
Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
Reserved SCD5