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TZA3023 Datasheet(PDF) 2 Page - NXP Semiconductors |
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TZA3023 Datasheet(HTML) 2 Page - NXP Semiconductors |
2 / 24 page 2000 Mar 29 2 Philips Semiconductors Product specification SDH/SONET STM4/OC12 transimpedance amplifier TZA3023 FEATURES • Wide dynamic input range from 1 µA to 1.5 mA • Low equivalent input noise of 3.5 pA/√Hz (typical) • Differential transimpedance of 21 kΩ • Wide bandwidth from DC to 600 MHz • Differential outputs • On-chip Automatic Gain Control (AGC) • No external components required • Single supply voltage from 3.0 to 5.5 V • Bias voltage for PIN diode • Pin compatible with SA5223. APPLICATIONS • Digital fibre optic receiver in short, medium and long haul optical telecommunications transmission systems or in high-speed data networks • Wideband RF gain block. DESCRIPTION The TZA3023 is a low-noise transimpedance amplifier with AGC designed to be used in STM4/OC12 fibre optic links. It amplifies the current generated by a photo detector (PIN diode or avalanche photodiode) and converts it to a differential output voltage. ORDERING INFORMATION BLOCK DIAGRAM TYPE NUMBER PACKAGE NAME DESCRIPTION VERSION TZA3023T SO8 plastic small outline package; 8 leads; body width 3.9 mm SOT96-1 TZA3023U − bare die in waffle pack carriers; die dimensions 1.030 × 1.300 mm − handbook, full pagewidth GAIN CONTROL BIASING A1 1 (1) 8 (11, 12) DREF 3 (4) IPhoto low noise amplifier single-ended to differential converter VCC 2, 4, 5 (2, 3, 5, 6, 7, 8) GND AGC(1) peak detector TZA3023 6 (9) OUT 7 (10) OUTQ MGK918 2 k Ω (13) Fig.1 Block diagram. The numbers in brackets refer to the pad numbers of the bare die version. (1) AGC analog I/O is only available on the TZA3023U (pad 13). |
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