
SE1010W
LightCharger
TM
622 Mb/s Transimpedance Amplifier
Final
41-DST-01
§
Rev 1.5
§
May 24/02
1 of 9
Applications
§
SONET/SDH-based transmission systems, test
equipment and modules
§
OC-12 fibre optic modules and line termination
§
ATM optical receivers
Features
§
Single +5 V power supply
§
Input noise current = 45 nA rms when used with a
0.5 pF detector
§
Transimpedance gain = 5.6 k
into a 50
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
single-ended or 100
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
°
C to
+95
°
C
§
Equivalent to Nortel Networks AB53
Ordering Information
Type
SE1010W
Package
Bare Die
Remark
Shipped in
Waffle Pack
Functional Block Diagram
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’s 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
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
sensitivity of –35 dBm for 10
-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.
automatic
gain
control
GND or –ve supply
SE1010
TzAmp
622 Mb/s
Tz Amp
Output
Driver
Bandgap
Reference
Power
Supply
Rejection
Integrator
Rectifier
Automatic Gain Control
TZ_IN
Input
Current
OUTP
OUTN
50
50
50
ACGND
R
Wire bond option for single-ended operation
f