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PHY1095-01 PDF预览

PHY1095-01

更新时间: 2024-11-22 02:52:27
品牌 Logo 应用领域
美信 - MAXIM /
页数 文件大小 规格书
10页 329K
描述
1.25Gbps High Sensitivity Transimpedance Amplifier

PHY1095-01 数据手册

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19-5689; Rev 1/11  
PHY1095-01  
A Maxim Integrated Products Brand  
1.25Gbps High Sensitivity Transimpedance Amplifier  
Features  
-32dBm Sensitivity  
Up to 1.25Gbps (NRZ) data rates  
60nA rms typical input referred noise  
Automatic gain control  
Description  
The PHY1095 is a transimpedance amplifier  
designed for use within small form factor fibre  
optic modules targeted at Gigabit Enabled  
Passive Optical Network (GEPON) applications.  
Working from a 3.3V power supply the PHY1095  
integrates a low noise transimpedance amplifier,  
with a typical differential transimpedance of  
60k, an AGC and an output stage.  
Flexible bond pad layout and output signal  
inversion for simple ROSA layout  
Received Signal Strength Indicator output  
with selectable direction of current flow  
The RSSI pad can be used to implement a signal  
strength monitor circuit. This is designed to sink  
or source a current equal to the photodiode  
current for ease of interfacing.  
-40 to +95°C operating temperature range  
Sensitivity of -32dBm can be achieved at  
Applications  
GEPON Optical Network Unit (ONU)  
Gigabit Ethernet  
1.25Gbps using  
a
photodiode with 0.5pF  
capacitance and a responsivity of 0.8A/W at a  
wavelength of 1490nm.  
The PHY1095 is available in die form for  
mounting on a header to create a ROSA when  
combined with suitable optics and photo-detector  
diode.  
VCC  
Voltage  
Regulator  
50  
50  
Signal Detect  
& DC Restore  
PDC1/2  
R
F
RX+  
RX-  
AGC  
Amp  
O/P  
Buffer  
PDA  
GND  
Amplifier  
Signal  
Strength  
Indicator  
RSSI_DIR  
RSSI  
AGC  
DATA_INVERT  
Figure 1: Outline block diagram  
Figure 2: Device pad layout  
PHY1095-01-RD-1.1  
Datasheet  
Page 1  

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