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PDF TZA3013AU Data sheet ( Hoja de datos )
| Número de pieza | TZA3013AU | |
| Descripción | SDH/SONET STM16/OC48 transimpedance amplifier | |
| Fabricantes | NXP Semiconductors | |
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INTEGRATED CIRCUITS
DATA SHEET
TZA3013A; TZA3013B
SDH/SONET STM16/OC48
transimpedance amplifier
Product specification
Supersedes data of 2000 Jun 19
File under Integrated Circuits, IC19
2001 Feb 26
1 page  
Philips Semiconductors
SDH/SONET STM16/OC48
transimpedance amplifier
Product specification
TZA3013A; TZA3013B
FUNCTIONAL DESCRIPTION
The TZA3013 is a transimpedance amplifier intended for
use in fibre optic links for signal recovery in STM16/OC48
applications. It amplifies the current generated by a photo
detector (PIN diode or avalanche photodiode) and
converts it to a differential output voltage.
The most important characteristics of the TZA3013 are
high receiver sensitivity and wide dynamic range. High
receiver sensitivity is achieved by minimizing
transimpedance amplifier noise.
The TZA3013 has a wide dynamic range to handle the
signal current generated by the PIN diode which can vary
from 6 µA to 1.7 mA (p-p). This is implemented by an AGC
loop which reduces the preamplifier feedback resistance
so that the amplifier remains linear over the whole input
range. The AGC loop hold capacitor is integrated on-chip,
so an external capacitor is not required.
A differential amplifier converts the output of the
preamplifier to a differential voltage. The data output circuit
is shown in Fig.3.
The logic level symbol definitions are shown in Fig.4.
handbook, full pagewidth
VCC
2 kΩ
OUTSENSE
50 Ω
OUT
50 Ω
OUTQ
2 kΩ
OUTQSENSE
16 Ω
16 Ω
MGT102
Fig.3 Data output circuit.
handbook, full pagewidth
VO(max)
VOQH
VOH
VOQL
VOL
VO(min)
VOO
VCC
Vo(p-p)
MGR243
2001 Feb 26
Fig.4 Logic level symbol definitions for data outputs OUT and OUTQ.
5
5 Page 
Philips Semiconductors
SDH/SONET STM16/OC48
transimpedance amplifier
Product specification
TZA3013A; TZA3013B
handbook2,9h0alfpage
Vo(cm)
(mV)
270
250
230
210
190
3.0
3.2
MGT109
(1) (2)
3.4 3.6
VCC (V)
Tj = 25 °C.
(1) VCC − VOUT.
(2) VCC − VOUTQ.
Fig.12 Common mode output voltage as a function
of the supply voltage referenced to VCC.
340
handbook, halfpage
Vo(cm)
(mV)
300
260
MGT110
(1)
(2)
220 (3)
180
−40 0 40 80 120 160
Tj (°C)
(1) VCC = 3.6 V.
(2) VCC = 3.3 V.
(3) VCC = 3.0 V.
Fig.13 Common mode output voltage as a function
of the junction temperature referenced to
VCC.
2001 Feb 26
11
11 Page | ||
| Páginas | Total 16 Páginas | |
| PDF Descargar | [ Datasheet TZA3013AU.PDF ] | |
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