IC-HTP datasheet(46/51 Pages) ICHAUS

46 / 51 page

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iC-HTP

DUAL CW P-TYPE LASER DIODE DRIVER

Rev B1, Page 46/51

EXTT1

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

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

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

CRNG1(1:0)

Addr. 0x1E; bit 1:0

R/W 00

Output current range from 0 to 750 mA, RACC1 = 0,

k factor set to 750/750 = 1

Output current range from 0 to 100 mA, RACC1 = 0,

k factor set to 100/750,= 0.13

Output current range from 0 to 25 mA, RACC1 = 0, k

factor set to 25/750 = 0.03

Output current range from 0 to 9 mA, RACC1 = 0, k

factor set to 9/750 = 0.012

Output current range from 0 to 90 mA, RACC1 = 1, k

factor set to 750/750 = 1

Output current range from 0 to 12 mA, RACC1 = 1, k

factor set to 100/750 = 0.13

Output current range from 0 to 3 mA, RACC1 = 1, k

factor set to 25/750 = 0.03

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

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