AMT8312 PIN-TIA Datasheet
2.5 Gb/s 850 nm PIN-TIA
|Total Page||8 Pages|
• 2.5 Gb/s Differential Output TIA
• 3.3 V Operation
• 1800 MHz Bandwidth
• -23 dBm Typical Sensitivity
• 0 dBm Optical Overload
• Photocurrent Monitor
• 100 µm 850 nm PIN Photodetector
• TO-46 5 Pin Lens Package
• SONET OC-48/SDH STM-16 (2.488 Gb/s)
• 2 x Fibre Channel (2.125 Gb/s)
• 2.5 Gb/s Infiniband
• Fibre Channel/Gigabit Ethernet (1.0625/1.25 Gb/s)
2.5 Gb/s 850 nm PIN-TIA
PRELIMINARY DATA SHEET - Rev 1.0
TO-46 5 pin Ball Lens
The ANADIGICS AMT8312, packaged in a 5 pin
TO-46 lens can, is a 3.3 V integrated photodetector
and transimpedance amplifier (TIA) used to convert
a short wavelength (850 nm) input optical signal into
a differential output voltage. The AMT8312 has a
bandwidth of 1.8 GHz, a dynamic range of over
23 dB and a photocurrent monitor with an output that
is proportional to the average input optical power.
These devices are readily designed into receivers,
transceivers and transponders for SONET, Fibre
Channel and Infiniband applications.
Figure 1: Functional Block Diagram
Figure 2 : T46L Pin Outline (Bottom View)
Table 1: TO-46 Package Pin Description
Inverted Output Voltage. Logical '0' with an optical input. Needs to be AC
coupled to the load.
Positive Supply Voltage: 3.0 to 3.6 V
Mirrored average photodiode current. The IMON pin is open drain and
should be connected through a 2.0 k Ω resistor to 3.3 V.
Non-Inverted Output Voltage: Logical '1' with an optical input. Needs to be
AC coupled to the load.
Ground: Case is grounded.
Table 2: Absolute Maximum Ratings
MIN MAX UNIT
Optical Input Power
- + 4 dBm
- 40 + 125
Stresses in excess of the absolute ratings may cause permanent
damage. Functional operation is not implied under these conditions.
Exposure to absolute ratings for extended periods of time may
adversely affect reliability.
2 PRELIMINARY DATA SHEET - Rev 1.0
|Features||AMT8312 2.5 Gb/s 850 nm PIN-TIA PRELIMIN ARY DATA SHEET - Rev 1.0 FEATURES • • • • • • • • 2.5 Gb/s Di fferential Output TIA 3.3 V Operation 1 800 MHz Bandwidth -23 dBm Typical Sensi tivity 0 dBm Optical Overload Photocurr ent Monitor 100 µm 850 nm PIN Photodet ector TO-46 5 Pin Lens Package www.Dat aSheet4U.com APPLICATIONS • • • • SONET OC-48/SDH STM-16 (2.488 Gb/s) 2 x Fibre Channel (2.125 Gb/s) 2.5 Gb/ s Infiniband Fibre Channel/Gigabit Ethe rnet (1.0625/1.25 Gb/s) T46L TO-46 5 p in Ball Lens Package PRODUCT DESCRIPTI ON The ANADIGICS AMT8312, packaged in a 5 pin TO-46 lens can, is a 3.3 V integ rated photodetector and transimpedance amplifier (TIA) used to convert a short wavelength (850 nm) input optical sign al into a differential output voltage. The AMT8312 has a bandwidth of 1.8 GHz, a dynamic range of over 23 dB and a ph otocurrent monitor with an output that is proportional to the average input op tical power. These devices are readily designed into receivers, transceivers and transpo.|
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