2003 Jun 05 10
Philips Semiconductors Product specification
30 Mbits/s up to 1.25 Gbits/s laser drivers TZA3047A; TZA3047B
10 DC CHARACTERISTICS
T
amb
= −40 to +85 °C; R
th(j-a)
= 35 K/W; P
tot
= 400 mW; V
CCA
= 3.14 to 3.47 V; V
CCD
= 3.14 to 3.47 V;
V
CCO
= 3.14 to 3.47 V; R
AVR
= 7.5 kΩ;R
ER
=62kΩ;R
MODIN
= 6.2 kΩ;R
BIASIN
= 6.8 kΩ;R
PWA
=10kΩ;R
RREF
=10kΩ;
R
MAXMON
=13kΩ; R
MAXOP
=20kΩ; positive currents flow into the IC; all voltages are referenced to ground; unless
otherwise specified.
SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT
Supplies: pins V
CCA
,V
CCD
and V
CCO
V
CCA
analog supply voltage 3.14 3.3 3.47 V
V
CCD
digital supply voltage 3.14 3.3 3.47 V
V
CCO
RF output supply voltage 3.3 V laser supply 3.14 3.3 3.47 V
5 V laser supply 4.75 5.0 5.25 V
I
CCA
analog supply current 30 40 50 mA
I
CCD
digital supply current 35 45 55 mA
I
CCO
RF output supply current pins LA and LAQ open-circuit
3.3 V laser supply 8 15 25 mA
5 V laser supply − 20 − mA
P
core
core power dissipation core excluding output currents
I
o(LA)
,I
o(LAQ)
and I
BIAS
; PWA and
retiming off
− 264 − mW
P
tot
total power dissipation V
BIAS
= 3.3 V; I
BIAS
= 20 mA;
I
mod
= 16 mA; note 1
330 400 500 mW
Data and clock inputs: pins DIN and CIN
V
i(p-p)
input voltage swing
(peak-to-peak value)
V
i(DIN)
=(V
CCD
− 2V)toV
CCD;
V
i(CIN)
=(V
CCD
− 2V)toV
CCD
100 − 1000 mV
V
int(cm)
internal common mode
voltage
AC-coupled inputs − V
CCD
− 1.32 − V
V
IO
input offset voltage note 2 −10 0 +10 mV
Z
i(dif)
differential input
impedance
80 100 125 Ω
Z
i(cm)
common mode input
impedance
810 13kΩ
V
i(CIN)(dis)
input voltage for disabled
retiming
V
CIN
=V
CINQ
−− 0.3 V
Monitor photodiode input: pin MON
V
i(MON)
input voltage I
MON
=50to2500µA 0.9 1.1 1.3 V
Z
i(MON)
input impedance I
MON
= 50 to 2500 µA − 27 −Ω
Extinction ratio setting for dual-loop control: pins MON and ER
ER
min
low extinction ratio setting dual-loop set-up; I
ER
> −30 µA;
note 3
linear scale − 57−
dB scale − 7 8.5 dB
