M02015
Low Power CMOS Transimpedance Amplifier with Rx Pwr Mon Output and AGC for Fiber
Optic Networks up to 2.5 Gbps
Rev V6
Applications
Features
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2x Fiber Channel
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Typical -26.2 dBm sensitivity, +6 dBm saturation at 2.125 Gbps,
-26 dBm at 2.5 Gbps, when used with 0.9 A/W InGaAs PIN
GPON
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Typical Differential Transimpedance: 9 kΩ
Fabricated in standard CMOS
PCI Express
ATM/SONET
Infiniband
Differential output
Standard +3.3 Volt supply
Available in die form only
Monitor output (SFF-8472 compliant)
AGC provides dynamic range of 32 dB
Internal or external bias for photodiode
Usable with a PIN or APD photodiode
Same pad layout and die size as M02011/13/14/16
The M02015 is a CMOS transimpedance amplifier with AGC. The AGC gives a wide dynamic range of 32 dB. The
high transimpedance gain of 9 kΩ ensures good sensitivity.
For optimum system performance, the M02015 die should be mounted with a GaAs or InGaAs PIN photodetector
inside a lensed TO-Can or other optical sub-assembly.
The M02015 can either bias the PIN diode from the internal regulator or use an externally biased PIN diode.
A replica of the average photodiode current is available at the MON pad for photo-alignment and Receive Power
monitoring (SFF-8472 compliant).
Typical Applications Diagram
V
CC
Typically
AC-Coupled
to Limiting
Amplifier
1 nF
V
CC
PINK
DOUT
M02015
Limiting
Amplifier
470 pF
PINA
GND
DOUTB
MON
Rm
TIA Bond Pad
TO Can Lead
1
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