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參數資料
| 型號： | AK2573AVB |
| 廠商： | Asahi Kasei Microsystems Co.,Ltd |
| 英文描述： | 125M / 156M Laser Diode Driver + APC |
| 中文描述： | 1.25億/ 1.56 apc的激光二極管驅動器 |
| 文件頁數： | 1/38頁 |
| 文件大小： | 286K |
| 代理商： | AK2573AVB |
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ASAHI KASEI
[AK2573A]
<MS0189-E-01>
-1-
2004/5
AK2573A
125M / 156M
Laser Diode Driver + APC
Features
- 1 chip 125M /156M Laser Diode Driver (LDD) +
Digital APC (APC_FF and APC_FB)
- Programmable laser BIAS and modulation current
controlled by an on-chip temperature sensor
(APC_FF)
- Digital feedback circuit for APC (APC FB)
- Two current output 8 bit DACs,
I-DAC1: 85mA sink for modulation current
I-DAC2: 54mA sink for BIAS current
- TXFAULT detection and 1kbit ID Field (EEPROM)
for SFP (Small Form-factor Pluggable) support
- I
2
C
TM
compatible digital I/F
- Duty adjustment
- Power failure alarm (OPTALM), Over current alarm
(CURRALM), Temperature alarm (TEMPALM),
Data alarm (DATAALM) and TXFAULT for failure
alarm
- BIAS and modulation current monitors (* 0.0095)
- Single 3.3V +/- 0.2V operation
Applications
STM-1 /OC-3 (156Mbps) Optical Interface Module
TS–1000 (125Mbps) Optical Interface Module
Description
The AK2573A is a 1chip LDD (Laser Diode Driver) and
an APC (AutoPower Control) for laser direct
modulation application. It contains up to156M LDD,
programmable duty adjustment, BIAS and modulation
currents, a digital feedback circuit, BIAS and
modulation current monitors, failure alarms, I
2
C
TM
interface, an EEPROM for storing LD characteristics
and user information, and TXFAULT detection for SFP
application. The AK2573A has two APC functions;
APC FF (Feed-forward) and APC FB (Feedback). APC
FF supplies a programmed current in response tothe
temperature. APC FB provides a stable auto power
contro function with an internal digital feedback
algorithm.
All program and operational functions can be set
through the I
2
C
TM
compatible interface and stored in the
on-chip EEPROM.
Ordering Information
Product Number
AK2573AVB
PKG
BCC++ 48 (7mm * 7mm)
I
2
C
TM
is a trademark o f Philips Corporation.
Block Diagram
EEPROM
I-DAC1
I-DAC2
APC
ALM
OPTALM
OSC
CURRALM
TEMPALM
TXFAULT*
Ibias
IBIAS
BIAS_GEN
BIAS
RB (12k)
TEMPSENS
ADC
PDGAIN
Monitor
PD
PDIN
PDMON
RPD
CPD
CLK
(LVPECL)
DATA
(LVPECL)
FF
DUTY_
ADJ
S
DRIVER
LD
TEMPMON
Imod
DATAALM
Digital I/F
SCL SDA*
WP**
TXDIS1
SHUTDOWN
CONTROL
SEL
DATAP
DATAN
CLKP
CLKN
IMODN
IMOD
TXDIS2
*: Open Drain
**: Pull-up
* 0.0095
* 0.0095
BIASMON
MODMON
相關PDF資料 |
PDF描述 |
|---|---|
| AK2574 | 156M Laser Diode Driver + APC for Burst Mode |
| AK2574VB | 156M Laser Diode Driver + APC for Burst Mode |
| AK4103A | 192 KHZ 24 BIT DIT |
| AK4103AVF | 192 KHZ 24 BIT DIT |
| AK4104ET | 192kHz 24-Bit 3.3V DIT |
相關代理商/技術參數 |
參數描述 |
|---|---|
| AK2574 | 制造商:AKM 制造商全稱:AKM 功能描述:156M Laser Diode Driver + APC for Burst Mode |
| AK2574VB | 制造商:AKM 制造商全稱:AKM 功能描述:156M Laser Diode Driver + APC for Burst Mode |
| 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 |
| AK2581HB-AT-LF | 功能描述:風扇 254x89mm 110/120VAC Hi Spd Ball Term RoHS:否 制造商:Sanyo Denki 產品:Fans 電流類型: 電源電壓:48 V 氣流:636 CFM 軸承類型: 噪聲:83 dBA 速度:6400 RPM 功率額定值:264 W 框架尺寸 (mm):172 mm x 150 mm x 102 mm 外殼材料:Aluminum 端接類型:Wire 系列: |
| AK2581HB-AW | 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 x 89MM, 115VAC, 620MA; Frame Dimensions:254mm x 89mm; Supply Voltage:115VAC; Current Rating:620mA; Flow Rate - Imperial:630cu.ft/min; Noise Rating:62dBA; Bearing Type:Ball; Power Connection Type:Wire Leaded ;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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