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參數(shù)資料
| 型號： | AK2572 |
| 廠商： | Asahi Kasei Microsystems Co.,Ltd |
| 英文描述： | APC for Burst Mode Applicable Direct Modulation Laser Diode |
| 中文描述： | apc的突發(fā)模式適用的直接調(diào)制激光器 |
| 文件頁數(shù)： | 42/50頁 |
| 文件大?。?/td> | 463K |
| 代理商： | AK2572 |
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ASAHI KASEI
[AK2572]
-42-
< MS0290-E-01>
2004/8
Table 9-6 Register Configuration (Continued)
Register
Address
Function
Bit Form R/W
Note
R_TEMP [7:0]
10h
Temperature equivalent value
(AD code of temperature sensor)
Temperature equivalent value at
just before Shutdown request
8
U
R
Refer to Table 4-10
R_TEMP
_STDW [7:0]
14h
8
U
R
Refer to Section 7.2 and
Table 4-10
1: Active, 0: Inactive
[4] TEMPALM
[3] EXTALM2
[2] EXTALM1
[1] CURRALM
[0] OPTALM
[*3]
[*3]
[*3]
[7]Sign of APC_FB [*2]
[6:0] Upper 7bits of APC_FB
001:Self-Operation Mode
010:Adjustment Mode
100:EEPROM Access Mode
R_TXFLT_ST
[4:0]
19h
Alarm status
5
U
R
R_DAC1 [7:0]
R_DAC2 [7:0]
R_DAC3 [7:0]
1Bh
1Ch
1Dh
I-DAC1 value
I-DAC2 value
V-DAC3 value
8
8
8
U
U
U
R
R
R
R_APC_FB [7:0]
1Eh
APC_FB value
8
S
R
R_MODE [2:0]
1Fh
Operation mode
3
U
R
AKM test
28h~2Bh
2Eh
For AKM test
－
－
－
R_PWR
_SEL [1:0]
2Fh
EEPROM data switching at
Power Leveling [2]
2
U
R/FW
Refer to Table 5-2 [*1]
［
*1
］
Finally modified value in either R_PWR_SEL [7:6] (R/W) at address “01h” or R_PWR_SEL [1:0] (R/FW) at
address “2Fh” becomes valid R_PWR_SEL set value and is updated and retained in R_PWR_SEL at both
address locations. And with R_PWR_LVL1_SET
＝
“0” and R_PWR_LVL2_SET
＝
“1”, Power Leveling[2] is
available and write in Self-Operation Mode can be executable only to R_PWR_SEL [1:0] (R/WF) at address
“2Fh” when Write Protect operation is released.
［
*2
］
Data configuration is shown in Figure 9-9. Register is configured with the signed 9 bits data, but Read /
Write operation via Digital I/F is processed in 8 bits configuration.
［
*3
］
In Bias current setting DAC and Modulation current setting DAC, Digital code for DAC is given as following
equation and negative value at R_DACx is set to “0”.
R_DACx
＝
R_DACx_FF
＋
R_DACx_FB (x
＝
1 ~ 3)
Figure 9-9
Signed Register Configuration
D0
Register (9 bits 2's complement)
D1
D2
D3
D4
D5
D6
D7
D8
Body (8 bits)
Sign
Read data via Digital I/F (R_APC_FB)
(Sign + Body [MSB 7 bits])
Write data via Digital I/F
（
R_APC_FBIV
）
(Body 8 bits, Negative value cannot be written
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| AK2573A | 制造商:AKM 制造商全稱:AKM 功能描述:125M / 156M Laser Diode Driver + APC |
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| AK2574 | 制造商:AKM 制造商全稱:AKM 功能描述:156M Laser Diode Driver + APC for Burst Mode |
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| AK2581HB-AT | 制造商:ADDA Corporation 功能描述:AC-FAN, 254X89 MM, 115/60 VOLT 制造商:ADDA Corporation 功能描述:AXIAL FAN 254MM 115VAC 620mA 制造商:ADDA Corporation 功能描述:AXIAL FAN, 254MM, 115VAC, 620mA 制造商:ADDA Corporation 功能描述:AK Series 2100/2000 RPM 254 x 89 mm 115 V 680/630 CFM Ball Bearing AC Fan 制造商:ADDA Corporation 功能描述:AXIAL FAN, 254MM, 115VAC, 620mA; Frame Dimensions:254mm x 89mm; Supply Voltage:115VAC; Current Rating:620mA; Flow Rate - Imperial:630cu.ft/min; Flow Rate - Metric:19.244m /min; Noise Rating:62dBA; Bearing Type:Ball; Series:AK25489 ;RoHS Compliant: Yes 制造商:ADDA 功能描述:AK Series 2100/2000 RPM 254 x 89 mm 115 V 680/630 CFM Ball Bearing AC Fan |
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