tza3010b NXP Semiconductors, tza3010b Datasheet - Page 12

• Manufacturer Part Number: tza3010b
• Description: Tza3010b 30 Mbits/s Up To 3.2 Gbits/s A-rate Tm Laser Driver
• Manufacturer: NXP Semiconductors

Philips Semiconductors
3. The relation between the sink current I
4. V
11 AC CHARACTERISTICS
T
V
R
otherwise specified.
Notes
1. The output jitter specification is guaranteed by design.
2. With a 25
3. For high modulation current, t
2003 Apr 07
RF path
BR
J
t
t
t
t
t
Current control
tc
Pulse width adjustment: pins LA
t
t
t
SYMBOL
amb
r
f
su(D)
h(D)
en(start)
PWA(min)
PWA
PWA(max)
CCO
MAXMON
LA(p-p)
30 Mbits/s up to 3.2 Gbits/s
A-rate
int
Z
current is divided between Z
is programmed to 100 mA, a typical Z
internal resistor. This corresponds to a voltage swing of 2 V on the real application load.
L(LA)
= 40 to +85 C; R
VTEMP
= 3.14 to 3.47 V; R
= 13 k ; R
is the external load on pin LA. The voltage on pin MODIN programmes the modulation current I
= 1.31 V + TC
bit rate
output jitter of pin LA
(peak-to-peak value)
rise time of voltage on pin LA
fall time of voltage on pin LA
data input set-up time
data input hold time
start-up time at enable
internal time constant
minimum pulse width adjustment
pulse width adjustment
maximum pulse width adjustment
laser driver
load on pins LA: I
MAXOP
PARAMETER
th(j-a)
AVR
VTEMP
= 20 k ; positive currents flow into the IC; all voltages are referenced to ground; unless
= 7.5 k ; R
= 35 K/W; P
L(LA)
and T
r
LA
and t
and the 100
= 14 mA when I
j
= T
f
are impacted by total inductance between the LA pins and the laser connection.
MODIN
tot
L(LA)
o(LA)
amb
= 400 mW; V
of 25
= 6.2 k ; R
+ P
and the modulation current I
R
20% to 80%; R
I
80% to 20%; R
I
direct current setting
C
R
R
R
mod
mod
tot
L
MON
PWA
PWA
PWA
internal resistor connected to pins LA. When the modulation current
= 25 ; note 1
mod
= 17 mA; notes 2 and 3
= 17 mA; notes 2 and 3
will result in an I
R
> 10 pF
= 6.7 k ; C
= 10 k ; C
= 20 k ; C
th(j-a)
= 17 mA.
CCA
CONDITIONS
BIASIN
12
.
= 3.14 to 3.47 V; V
= 6.8 k ; R
L
L
= 25 ;
= 25 ;
PWA
PWA
PWA
o(LA)
< 100 pF
< 100 pF
< 100 pF
current of 80 mA, while 20 mA flows via the
mod
PWA
is:
CCD
= 10 k ; R
0.03
70
50
60
60
30
80
I
o(LA)
MIN.
= 3.14 to 3.47 V;
=
RREF
I
85
70
0
100
mod
TYP.
= 10 k ;
Product specification
------------------------------ -
100
TZA3010B
3.2
20
110
100
1
100
MAX.
+
100
Z
mod
L(LA)
. This
Gbits/s
ps
ps
ps
ps
ps
ms
ps
ps
ps
where
UNIT
s