IC-HTP Datasheet, PDF (48/51 Pages) IC-Haus GmbH – DUAL CW P-TYPE LASER DIODE DRIVER

iC-HTP
DUAL CW P-TYPE
LASER
DIODE
DRIVER
preliminary
EXTT2
0
1
Addr. 0x1A; bit 7
R/W 0
External transistor driver for channel 2 disabled
External transistor driver for channel 2 enabled
Table 134: Enable external transistor driver 2
ADFNS2
0
1
Addr. 0x1A; bit 6
R/W 0
ADC measurement PLR2 after level shifting (sense)
ADC measurement MDK2 pad (force)
Table 135: ADC channel 2 force/sense selection
CMES2
0
1
Addr. 0x1A; bit 5
R/W 0
ADC current measurement disabled for channel 2
ADC current measurement enabled for channel 2
Table 136: ADC current measurement for
channel 2 selection
Rev B1, Page 48/51
CRNG2(1:0)
Addr. 0x1E; bit 5:4
R/W 00
00
Output current range from 0 to 750 mA, RACC2 = 0,
k factor set to 750/750 = 1
01
Output current range from 0 to 100 mA, RACC2 = 0,
k factor set to 100/750,= 0.13
10
Output current range from 0 to 25 mA, RACC2 = 0, k
factor set to 25/750 = 0.03
11
Output current range from 0 to 9 mA, RACC2 = 0, k
factor set to 9/750 = 0.012
00
Output current range from 0 to 90 mA, RACC2 = 1, k
factor set to 750/750 = 1
01
Output current range from 0 to 12 mA, RACC2 = 1, k
factor set to 100/750 = 0.13
10
Output current range from 0 to 3 mA, RACC2 = 1, k
factor set to 25/750 = 0.03
11
Output current range from 0 to 1.1 mA, RACC2 = 1, k
factor set to 9/750 = 0.012
Table 137: Current range channel 2