1 to 4 Gbps TIAs 1 to 4 Gbps Transimpedance Amplifiers with Photocurrent Monitor0 pages

1 to 4 Gbps TIAs
B E N E F I T S :
..Source Terminated Differential Outputs With Linear Photocurrent Monitor
Offers Diagnostic Capabilities Without Sacrificing High Signal Integrity
..On-chip Filter Provides Positive Bias to the Photodetector, Eliminating
the Need for External Components, Saving Space and Cost
..Available in a TO-46 Package, Eliminating Time and Costs Associated
With the Design, Assembly and Test of the Receiver
S P E C I F I C AT I O N S :
..Input Noise: 550 nA (rms)
..Supply Current: 25 mA
..Sensitivity : -23 dBm (long wave) -21.5 dBm (short wave)
..Max Input Current: 2.2 mA Peak to Peak Current
..Power Dissipation: 82.5 mW
..Supply Voltage: 3.3 V
..Operating Temperature from -40°C to 85°C
- VSC7773: TO-46 (with 850nm PIN detector)
- VSC7970: Dice or TO-46 (with 1310nm/1550nm PIN detector)
- VSC7971: Dice or TO-46 (with 1310nm/1550nm PIN detector)
- VSC7972: Dice or TO-46 (with 850nm pin detector)
- VSC7973: Dice or TO-46 (with 850nm pin detector)
B L O C K D I A G R A M ( D i e ) :
1 to 4 Gbps Transimpedance Amplifiers with Photocurrent Monitor
P R O D U C T FA M I LY:
..VSC7773 ..VSC7970
..VSC7971 ..VSC7972
..VSC7973
A P P L I C AT I O N S :
..Gigabit Ethernet Transceivers
..Fibre Channel Transceivers (1x, 2x and 4x)
..SONET/SDH Transceivers
..SONET/SDH Transponders
..4.25 Gbps Receiver Optical Sub-Assemblies
F E AT U R E S :
..Single +3.3 V Supply
..5 kÙ Differential Transimpedance
..Low Power Consumption for SFP/SFF Applications
..Differential Outputs with Linear Current Monitor
..Available as Bare Dice or in a 4-pin or 5-pin TO-46 Package
TRANSPORT PRODUCTS
PB-TIAFAMILY-001
50Ù
500Ù
VSC7971
+3.3V
0.1ìF
VOUTP
VCC
Outputs need to
be AC-coupled
VOUTN
IMON
0.1ìF
50Ù
Monitor
FILTER
10pF
IN
GND