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| 型號(hào)： | TZA3019BVH |
| 英文描述： | TRANSIL |
| 中文描述： | 特定應(yīng)用功放|雙| LLCC | 32腳|塑料 |
| 文件頁(yè)數(shù)： | 13/28頁(yè) |
| 文件大小： | 138K |
| 代理商： | TZA3019BVH |
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2003 Apr 02
13
Philips Semiconductors
Product specification
30 Mbits/s up to 3.2 Gbits/s
A-rate
TM
laser drivers
TZA3011A; TZA3011B
Notes
1.
The total power dissipation P
tot
is calculated with V
BIAS
= V
CCO
= 3.3 V and I
BIAS
= 20 mA. In the application V
BIAS
will be V
CCO
minus the laser diode voltage which results in a lower total power dissipation.
The specification of the offset voltage is guaranteed by design.
Any (AVR, ER) settings need to respect I
MON
> 50
μ
A and I
MON
< 2500
μ
A. Therefore, for large ER settings,
minimum/maximum AVR cannot be reached.
2.
3.
4.
The relation between the sink current I
o(LA)
and the modulation current I
mod
is:
where
Z
L(LA)
is the external load on pin LA. The voltage on pin MODIN programmes the modulation current I
mod
. This current
is divided between Z
L(LA)
and the 100
internal resistor connected to pins LA. When the modulation current is
programmed to 100 mA, a typical Z
L(LA)
of 25
will result in an I
o(LA)
current of 80 mA, while 20 mA flows via the
internal resistor. This corresponds to a voltage swing of 2 V on the real application load.
V
VTEMP
= 1.31 + TC
VTEMP
×
T
j
and T
j
= T
amb
+ P
tot
×
R
th(j-a)
.
5.
Alarm operating current: pins MAXOP and ALOP
V
ref(MAXOP)
reference voltage on
pin MAXOP
ratio of I
oper(alarm)
and
I
MAXOP
I
MAXOP
= 10 to 200
μ
A
1.15
1.2
1.25
V
N
MAXOP
I
oper(alarm)
= 7.5 to 150 mA
V
CCO
= 3.3 V
V
CCO
= 5.0 V
I
ALOP
= 500
μ
A
700
750
0
800
850
900
950
0.4
V
D(ALOP)L
drain voltage at active
alarm
V
Alarm monitor current: pins MAXMON and ALMON
V
ref(MAXMON)
reference voltage on
pin MAXMON
ratio of I
MON(alarm)
and
I
MAXMON
drain voltage at active
alarm
I
MAXMON
= 10 to 200
μ
A
1.15
1.2
1.25
V
N
MAXMON
I
MON(alarm)
= 150 to 3000
μ
A
10
15
20
V
D(ALMON)L
I
ALMON
= 500
μ
A
0
0.4
V
Reference block: pins RREF and VTEMP
V
RREF
reference voltage
R
RREF
= 10 k
(1%);
C
RREF
< 100 pF
T
j
= 25
°
C; C
VTEMP
< 2 nF;
note 5
T
j
=
25 to +125
°
C; note 5
1.15
1.20
1.25
V
V
VTEMP
temperature dependent
voltage
temperature coefficient of
V
VTEMP
source current of
pin VTEMP
sink current of pin VTEMP
1.15
1.20
1.25
V
TC
VTEMP
2.2
mV/K
I
source(VTEMP)
1
mA
I
sink(VTEMP)
1
mA
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
l
o(LA)
I
mod
+
100
Z
L LA
)
-----------100
×
=
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