參數(shù)資料
型號(hào)： AK2574
廠商： Asahi Kasei Microsystems Co.,Ltd
英文描述： 156M Laser Diode Driver + APC for Burst Mode
中文描述： 1.56激光二極管驅(qū)動(dòng)器apc的突發(fā)模式
文件頁(yè)數(shù)： 25/30頁(yè)
文件大?。?/td> 248K
代理商： AK2574
ASAHI KASEI
[AK2574]
<MS0266-E-00>
-25-
2003/12
Table 5-3 EEPROM Address MAP
Device
Address
A0h
00h (0)
～
7Fh (127)
A0h
80h (128)
～
FFh (255)
A2h
00h (0)
～
FFh (255)
A4h
00 h(0)
～
7F h(127)
A4h
80h (128)
～
FFh (255)
A6h
00h (0)
～
1Fh(31)
A6h
20h (32)
～
5Fh (95)
A6h
60h (96)
～
7Fh (255)
Table 5-4 Adjustment Data Area (Device Address = A6h)
EEPROM
名
Address
Address
DATA (D7-D0)
Initial
Value
00h
Remark
User Area
(1kbit)
NoMemory
E_DAC1_TC
Temperature data for I-DAC1 (1kbit)
E_DAC2_TC
Temperature data for I-DAC2 (1kbit)
E_DUTY_TC (256bit)
Temperature data for Duty Adjustment
Reserved
00h
Addressing with R_TEMP
(1.5
℃
step)
Addressing with R_TEMP
(1.5
℃
step)
Addressing with MSB 5bit of
R_TEMP (6
℃
step)
00h
00h
00h
Adjustment data
(256bit)
see Table 5-4 and 5-5
Function
Bit
Initial
Value
Factory
Setting
0
Remark
E_VREFTRIM[7:4]
E_TEMP_OFFSET
[3:0]
E_TXDIS_POL[2]
60h
60h
Oscillator Frequency
Temperature sensor offset
4
4
61h
TXDIS Poarity
1
0: Shutdown at “H”
1: Shutdown at “L”
0: “H” at TXACT detection
1: “L” at TXACT detection
0: “H” at CLKALM detection
1: “L” at CLKALM detection
see Table 3-2
E_TXACT_POL[1]
61h
TXACT Poarity
1
0
E_CLKALM_POL[0] 61h
CLKALM Poarity
1
0
E_DAC_TXACT
E_AKM_SET[1:0]
62h
6Dh
TXACT Reference Voltage
AKM
初期設(shè)定値
3
2
000
00
Table 5-5 EEPROM Map (Adjustment Data Area)
Address
D7
60h
61h
D6
D5
D4
D3
D2
TEMP_OFFSET
TXDIS_
POL
D1
D0
VREFTRIM
TXACT_
POL
DAC_TXACT
CLKALM_
POL
62h
63h-6Ch
6Dh
6Eh-FFh
AKM_SET
Reserved
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