VSC7878 Datasheet, PDF (1/2 Pages) Vitesse Semiconductor Corporation – 10 Gbps Linear Transimpedance Amplifier

VSC7878
10 Gbps Linear Transimpedance Amplifier
VCCPD
BLOCK DIAGRAM:
VCC
VCCF
PDCAP
FILTER1
40 W
10 W
DOUTP
PD
IIN
FILTER2
TIA
Average
Input Current
Monitor
IMON
GND1
AGC
GND2 DOUTN
FEATURES:
` Integrated AGC
` TO-46 can die size
` Integrated photo detector bias circuit
` Integrated photo current monitor
` Available in bare die
BENEFITS:
` Linear operation over the input power range of the device
` Enables high volume ROSA assembly
` Provides the best RF match to the photo detector and reduces the
component count inside the ROSA
` Used for fiber alignment and diagnostic capabilities
` Fully tested, known good die
APPLICATIONS:
` 10 G receiver optical sub-assemblies:
-9.983 Gbps SONET OC-192/SDH STM-64
-10.3 Gbps Ethernet
-10.5 Gbps Fibre Channel
-10.7 Gbps OTN G.709/G.975
-12.5 Gbps SONET with FEC
-DWDM SONET/SDH
` Transponders:
-XENPAK, X2, XPAK modules
-300-pin MSA modules
` Transceivers:
-XFP modules
SPECIFICATIONS:
` Supply voltage: 3.3 V +/- 10%
` Total harmonic distortion: 3% (typical)
` Differential output swing: 500 mV (linear operation)
` Bandwidth: 8 GHz (typical)
` Sensitivity: -18 dBm OMA (typical)
` Max input current for linear operation: 2 mA p-p (typical)
` Operating temperature from -30^o to 105^o C die backside
VPPD-01376
Revision 1.0