AK2571 Datasheet, PDF (31/52 Pages) Asahi Kasei Microsystems – Single-Chip Automatic Power/Temperature Control for WDM Laser Diodes

AKM Confidential
E_DAC3_GAIN
2
I-DAC3 Gain set
1
E_EA_SW
1
EA ON/OFF set
1
E_EA_GAIN
2
EA Gain set
1
E_EA_FREQ
3
E_APC_TRGT
7
E_APC_FB_MAX
8
E_DAC1_FIX
8
E_DAC2_FIX
8
E_DAC3_FIX
8
E_ATC_FB_MAX
8
E_ATC_FB_SET
4
E_ATC_TRGT
8
E_TMPRT_ALM_WI
N
8
E_CUALM_SET
8
E_WL_ALM_SET
8
EA Frequency set
1
APC Feedback
Reference voltage set
1
APC Feedback limit
current set
I-DAC1Fixed
set
current
2
I-DAC2 Fixed current
set
2
I-DAC3 Fixed current
set
2
ATC Feedback target
shift limit set
Parameter set for LD
compensation current to
target temperature
ATC
target
temperature set
2
TEMPALM set
CUALM set
WLALM
(target
temperature shift ALM)
set
AK2571
0010
D5-D4
Refer table 3-7
00: 1, 01: 1/2, 10: 1/4
0010 D8
0: OFF, 1: ON
Refer table 3-9
0010 D10-D9 00: 16%, 01: 8%
10: 4%, 11: 2%
Refer table 3-8
0010 D13-D11 000: 16k, 001: 32k, 010: 64k, 011:
128k, 100: 256k
0000000: 1.5V
0011 D6-D0 1111111: 2.1V
4.8mV/Step, Refer Table 3-4
0011 D15-D8
0100 D7-D0
0100 D15-D8
0101 D7-D0
0110 D7-D0
0000: 0.125, 0001: 0.25
0010: 0.375, 0011: 0.5
0110 D11-D8 0100: 0.625, 0101: 0.75
0110: 1.0, 0111: 1.125
1000: 1.25, 1001: 1.5
0111 D7-D0 0.03°C /LSB
0111 D15-D8
1000 D7-D0
1000 D15-D8
<Rev. 0.6E Preliminary>
-31-
2001/11