器件名称:
ATA7550D1
功能描述:
5.0V 2.5Gb/s TIA
文件大小:
217.44KB 共12页
简 介:
ATA7550 PRELIMINARY DATA SHEET - Rev 0 FEATURES 5.0V 2.5 Gb/s TIA 2.5 Gb/s Differential Output TIA Low Group Delay Single +5V Power Supply Small Size: 0.864mm x 1.014mm 300mW (typ) Power Dissipation GND VCC GND VOUT APPLICATIONS IIN VOUT GND SONET/SDH OC-48/STM-16 2.5Gb/s DWDM Fiber optic receivers, transceivers and transponders CEXT GND GND D1 Package PRODUCT DESCRIPTION The Anadigics ATA7550D1 is a high-speed 5V transimpedance amplifier (TIA) available in bare die form and manufactured using an InGaP based HBT process. The device is used in conjunction with a VCC VBIAS photodetector to convert an optical signal into a differential output voltage. With its low group delay, the ATA7550 is ideally suited for DWDM applications. VOUT IIN VOUT CEXT Figure 1: Circuit Block Diagram 07/01 ATA7550 GND VCC GND 225m Die Size: 864m x 1014m Die Thickness: 178m VOUT Pad Size: 100m x 100m IIN Pad Pitch: 150m unless VOUT GND 225m CEXT GND GND Figure 2: Die Size and Layout Table 1: Pad Description PAD V CC D ESC R IPTION Posi ti ve Supply Voltage TIA Input C onnecti on for an external C apaci tor TIA Output Voltage (Non-i nverted) TIA Output Voltage (i nverted) +5.0V Photocurrent i nput Sets the low frequency cutoff Logi cal '1' wi th opti cal i nput Logi cal '0' wi th opti cal i nput C OMMEN T II N C EXT VOUT VOUT 2 PRELIMINARY DATA SHEET - Rev 0 07/01 ATA7550 ELECTRICAL CHARACTERISTICS Table 2: Absolute Maximum Ratings V CC IIN TS 7.0V 3mApp Sto……
