IC-HTP Datasheet, PDF (46/51 Pages) IC-Haus GmbH – DUAL CW P-TYPE LASER DIODE DRIVER

iC-HTP
DUAL CW P-TYPE
LASER
DIODE
DRIVER
preliminary
EXTT1
0
1
Addr. 0x1A; bit 3
R/W 0
External transistor driver for channel 1 disabled
External transistor driver for channel 1 enabled
Table 118: Enable external transistor driver 1
ADFNS1
0
1
Addr. 0x1A; bit 2
R/W 0
ADC measurement PLR1 after level shifting (sense)
ADC measurement MDK1 pad (force)
Table 119: ADC channel 1 force/sense selection
CMES1
0
1
Addr. 0x1A; bit 1
R/W 0
ADC current measurement disabled for channel 1
ADC current measurement enabled for channel 1
Table 120: ADC current measurement for
channel 1 selection
Rev B1, Page 46/51
CRNG1(1:0)
Addr. 0x1E; bit 1:0
R/W 00
00
Output current range from 0 to 750 mA, RACC1 = 0,
k factor set to 750/750 = 1
01
Output current range from 0 to 100 mA, RACC1 = 0,
k factor set to 100/750,= 0.13
10
Output current range from 0 to 25 mA, RACC1 = 0, k
factor set to 25/750 = 0.03
11
Output current range from 0 to 9 mA, RACC1 = 0, k
factor set to 9/750 = 0.012
00
Output current range from 0 to 90 mA, RACC1 = 1, k
factor set to 750/750 = 1
01
Output current range from 0 to 12 mA, RACC1 = 1, k
factor set to 100/750 = 0.13
10
Output current range from 0 to 3 mA, RACC1 = 1, k
factor set to 25/750 = 0.03
11
Output current range from 0 to 1.1 mA, RACC1 = 1, k
factor set to 9/750 = 0.012
Table 121: Current range channel 1