TZA3026 Просмотр технического описания (PDF) - NXP Semiconductors.
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TZA3026 Datasheet PDF : 15 Pages
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TZA3026
SDH/SONET STM4/OC12 transimpedance amplifier
Rev. 01 — 2 May 2005
Product data sheet
1. General description
The TZA3026 is a transimpedance amplifier with Automatic Gain Control (AGC), designed
to be used in STM4/OC12 fiber optic links. It amplifies the current generated by a photo
detector (PIN diode or avalanche photodiode) and converts it to a differential output
voltage. It offers a current mirror of average photo current for RSSI monitoring to be used
in SFF8472 compliant modules.
The low noise characteristics makes it suitable for STM4/OC12 applications, but also for
FTTx applications.
2. Features
s Low equivalent input noise current, typically 67 nA (RMS)
s Wide dynamic range, typically 0.85 µA to 1.5 mA (p-p)
s Differential transimpedance of 14 kΩ (typical)
s Bandwidth from DC to 650 MHz (typical)
s Differential outputs
s On-chip AGC with possibility of external control
s Single supply voltage 3.3 V, range 2.9 V to 3.6 V
s Bias voltage for PIN diode
s Current output of average photo current for RSSI monitoring
s Identical ports available on both sides of die for easy bond layout and RF polarity
selection
3. Applications
s Digital fiber optic receiver modules in telecommunications transmission systems, in
high speed data networks or in FTTx systems
4. Ordering information
Table 1: Ordering information
Type number
Package
Name
Description
TZA3026U
-
bare die, dimensions approximately
0.82 mm × 1.3 mm
Version
-
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