SE1010W
LightCharger
TM
622 Mb/s Transimpedance Amplifier
Final
Applications
摟
摟
摟
SONET/SDH-based transmission systems, test
equipment and modules
OC-12 fibre optic modules and line termination
ATM optical receivers
Product Description
SiGe Semiconductor offers a portfolio of optical
networking ICs for use in high-performance optical
transmitter and receiver functions, from 155 Mb/s up
to 12.5 Gb/s.
SiGe Semiconductor鈥檚 SE1010W is a fully integrated,
silicon bipolar transimpedance amplifier; providing
wideband, low noise preamplification of signal current
from a photodetector. It features single-ended or
differential outputs, selectable by wire bond options,
and incorporates an automatic gain control
mechanism to increase dynamic range, allowing input
signals up to 2.6 mA peak. For differential outputs, a
decoupling capacitor on the supply is the only
external circuitry required.
Noise performance is optimized for 622 Mb/s
operation, with a calculated rms noise based
-10
sensitivity of 鈥?5 dBm for 10 bit error rate, achieved
using a detector with 0.5 pF capacitance and a
responsivity of 0.9 A/W, with an infinite extinction ratio
source.
Features
摟
摟
摟
摟
Single +5 V power supply
Input noise current = 45 nA rms when used with a
0.5 pF detector
Transimpedance gain = 5.6 k鈩?into a 50
鈩?/div>
load
(single-ended)
On-chip automatic gain control gives input
current overload of 2.6 mA pk and max output
voltage swing of 300 mV pk-pk
50
鈩?/div>
single-ended or 100
鈩?/div>
differential wire bond
selectable outputs
Bandwidth (-3 dB) = 400 MHz (min)
Wide data rate range = 10 Mb/s to 622 Mb/s
High input bias level = 2 V
Minimal external components, supply decoupling
only
Operating junction temperature range = -40擄C to
+95擄C
Equivalent to Nortel Networks AB53
摟
摟
摟
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Ordering Information
Type
SE1010W
Package
Bare Die
Remark
Shipped in
Waffle Pack
Functional Block Diagram
SE1010
TzAmp
622 Mb/s
Automatic Gain Control
Integrator
Rectifier
Rf
TZ_IN
Input
Current
Tz Amp
Output
Driver
50
鈩?/div>
50
鈩?/div>
50
鈩?/div>
OUTP
OUTN
Bandgap
Reference
Power
Supply
Rejection
GND or 鈥搗e supply
ACGND
Wire bond option for single-ended operation
41-DST-01
摟
Rev 1.5
摟
May 24/02
1 of 9
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