TZA3033T Просмотр технического описания (PDF) - Philips Electronics
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TZA3033T Datasheet PDF : 16 Pages
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Philips Semiconductors
SDH/SONET STM1/OC3 transimpedance amplifier
Objective specification
TZA3033
FEATURES
• Low equivalent input noise, typically 1 pA/√Hz
• Wide dynamic range, typically 0.25 µA to 1.6 mA
• Differential transimpedance of 117 kΩ
• Bandwidth minimum 150 MHz
• Differential outputs
• On-chip AGC (Automatic Gain Control)
• 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.
GENERAL DESCRIPTION
The TZA3033 is a low-noise transimpedance amplifier with
AGC designed to be used in STM1/OC3 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
TYPE
NUMBER
TZA3033T
TZA3033U
NAME
SO8
naked die
PACKAGE
DESCRIPTION
plastic small outline package; 8 leads; body width 3.9 mm
die in waffle pack carriers; die dimensions 0.960 × 1.210 mm
VERSION
SOT96-1
−
BLOCK DIAGRAM
handbook, full pagewidth
AGC(1)
VCC
VCC
(15)
8 (13, 14)
1 nF
DREF 1 (1)
IPhoto 3 (5)
2 kΩ
GAIN
CONTROL
65 pF
peak detector
A1
low noise
amplifier
A2
single-ended to
differential converter
(12) 7 OUTQ
(11) 6 OUT
TZA3033
3
2, 4, 5 (3, 4, 7, 8, 9, 10)
GND
BIASING
MGR368
(1) AGC analog I/O is only available on the TZA3033U (pad 15).
The numbers in brackets refer to the pad numbers of the naked die version.
Fig.1 Block diagram.
1998 Jul 08
2
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