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AK2573AVB PDF预览

AK2573AVB

更新时间: 2024-01-30 13:40:32
品牌 Logo 应用领域
AKM 驱动器驱动程序和接口二极管激光二极管接口集成电路PC
页数 文件大小 规格书
38页 266K
描述
125M / 156M Laser Diode Driver + APC

AK2573AVB 技术参数

生命周期:Obsolete零件包装代码:BCC
包装说明:HBCC,针数:48
Reach Compliance Code:unknown风险等级:5.84
Is Samacsys:N接口集成电路类型:INTERFACE CIRCUIT
JESD-30 代码:S-XBCC-B48长度:7 mm
功能数量:1端子数量:48
最高工作温度:85 °C最低工作温度:-40 °C
封装主体材料:UNSPECIFIED封装代码:HBCC
封装形状:SQUARE封装形式:CHIP CARRIER, HEAT SINK/SLUG
认证状态:Not Qualified座面最大高度:0.8 mm
最大供电电压:3.5 V最小供电电压:3 V
标称供电电压:3.3 V表面贴装:YES
温度等级:INDUSTRIAL端子形式:BUTT
端子节距:0.5 mm端子位置:BOTTOM
宽度:7 mmBase Number Matches:1

AK2573AVB 数据手册

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ASAHI KASEI  
[AK2573A]  
AK2573A  
125M / 156M Laser Diode Driver + APC  
Features  
Description  
- 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  
- I2CTM compatible digital I/F  
The AK2573A is a 1chip LDD (Laser Diode Driver) and  
an APC (Auto Power Control) for laser direct  
modulation application. It contains up to 156M LDD,  
programmable duty adjustment, BIAS and modulation  
currents, a digital feedback circuit, BIAS and  
modulation current monitors, failure alarms, I2CTM  
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 to the  
temperature. APC FB provides a stable auto power  
control function with an internal digital feedback  
algorithm.  
- Duty adjustment  
- Power failure alarm (OPTALM), Over current alarm  
(CURRALM), Temperature alarm (TEMPALM),  
Data alarm (DATAALM) and TXFAULT for failure  
alarm  
All program and operational functions can be set  
through the I2CTM compatible interface and stored in the  
on-chip EEPROM.  
- BIAS and modulation current monitors (* 0.0095)  
- Single 3.3V +/- 0.2V operation  
Ordering Information  
Product Number  
AK2573AVB  
PKG  
Applications  
STM-1 / OC-3 (156Mbps) Optical Interface Module  
TS–1000 (125Mbps) Optical Interface Module  
BCC++ 48 (7mm * 7mm)  
I2CTM is a trademark o f Philips Corporation.  
Block Diagram  
SEL  
DATAP  
DATAN  
DATA  
(LVPECL)  
IMODN  
DUTY_  
ADJ  
LD  
DRIVER  
CLKP  
CLKN  
FF  
CLK  
(LVPECL)  
IMOD  
Imod  
OSC  
MODMON  
I-DAC1  
I-DAC2  
* 0.0095  
APC  
Ibias  
TEMPSENS  
ADC  
EEPROM  
IBIAS  
TEMPMON  
* 0.0095  
BIASMON  
DATAALM  
OPTALM  
PDMON  
Monitor  
PD  
ALM  
CURRALM  
TEMPALM  
TXFAULT*  
PDGAIN  
PDIN  
BIAS  
RPD  
CPD  
Digital I/F  
TXDIS1  
TXDIS2  
SHUTDOWN  
CONTROL  
BIAS_GEN  
RB (12k)  
*: Open Drain  
**: Pull-up  
SCL SDA* WP**  
<MS0189-E-01>  
-1-  
2004/5  

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