Philips Semiconductors
30 Mbits/s up to 1.25 Gbits/s laser drivers
Product specification
TZA3047A; TZA3047B
10 DC CHARACTERISTICS
Tamb = −40 to +85 °C; Rth(j-a) = 35 K/W; Ptot = 400 mW; VCCA = 3.14 to 3.47 V; VCCD = 3.14 to 3.47 V;
VCCO = 3.14 to 3.47 V; RAVR = 7.5 kΩ; RER = 62 kΩ; RMODIN = 6.2 kΩ; RBIASIN = 6.8 kΩ; RPWA = 10 kΩ; RRREF = 10 kΩ;
RMAXMON = 13 kΩ; RMAXOP = 20 kΩ; positive currents flow into the IC; all voltages are referenced to ground; unless
otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX. UNIT
Supplies: pins VCCA, VCCD and VCCO
VCCA
VCCD
VCCO
analog supply voltage
digital supply voltage
RF output supply voltage
3.3 V laser supply
5 V laser supply
3.14
3.14
3.14
4.75
ICCA
analog supply current
30
ICCD
digital supply current
35
ICCO
RF output supply current pins LA and LAQ open-circuit
3.3 V laser supply
8
Pcore
core power dissipation
5 V laser supply
−
core excluding output currents −
Io(LA), Io(LAQ) and IBIAS; PWA and
retiming off
Ptot
total power dissipation
VBIAS = 3.3 V; IBIAS = 20 mA;
330
Imod = 16 mA; note 1
Data and clock inputs: pins DIN and CIN
Vi(p-p)
Vint(cm)
input voltage swing
(peak-to-peak value)
internal common mode
voltage
Vi(DIN) = (VCCD − 2 V) to VCCD; 100
Vi(CIN) = (VCCD − 2 V) to VCCD
AC-coupled inputs
−
VIO
input offset voltage
note 2
−10
Zi(dif)
differential input
80
impedance
Zi(cm)
common mode input
8
impedance
Vi(CIN)(dis)
input voltage for disabled VCIN = VCINQ
−
retiming
Monitor photodiode input: pin MON
Vi(MON)
input voltage
IMON = 50 to 2500 µA
0.9
Zi(MON)
input impedance
IMON = 50 to 2500 µA
−
Extinction ratio setting for dual-loop control: pins MON and ER
ERmin
low extinction ratio setting dual-loop set-up; IER > −30 µA;
note 3
linear scale
−
dB scale
−
3.3
3.47 V
3.3
3.47 V
3.3
3.47 V
5.0
5.25 V
40
50
mA
45
55
mA
15
25
mA
20
−
mA
264
−
mW
400
500 mW
−
1000 mV
VCCD − 1.32 −
V
0
+10 mV
100
125 Ω
10
13
kΩ
−
0.3 V
1.1
1.3 V
27
−
Ω
5
7
−
7
8.5 dB
2003 Jun 05
10