TZA3047A View Datasheet(PDF) - Philips Electronics
Part Name
Description
Manufacturer
TZA3047A Datasheet PDF : 28 Pages
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Philips Semiconductors
30 Mbits/s up to 1.25 Gbits/s laser drivers
5 BLOCK DIAGRAM
Product specification
TZA3047A; TZA3047B
handbook, full pagewidth
AVR ER
GNDCCB
MODOUT MODIN BIASOUT BIASIN MON ACDC
VCCA
VCCD
DIN
DINQ
TEST
CIN
GNDRF
CINQ
GND
GNDESD
ALRESET
1 (1, 2)
32 (57) 31 (56)
(51, 53)
30 (55)
29 (52) 28 (50)
100 µA
27 (49)
100 µA
26 (48) (46)
(44, 45) 25
IBIAS
(43) 24
2 (3, 4)
CURRENT dual loop: IER = 1.2 V/RER
CONVERSION average loop: ER = GND
Ione
Izero
V/ I
100
mA / V
23
V/ I
100
mA / V
IMON
3 (5)
4 (6)
5 (11)
6 (12)
(7, 8, 9,
10, 26)
7 (13)
8
(14, 47)
9 (15)
20
100
kΩ
Ω
20
kΩ
20
100
kΩ
Ω
20
kΩ
10 1.4 V
kΩ
CONTROL BLOCK
100 100
Ω
Ω
MUX
PULSE
WIDTH
ADJUST
PRE
AMP
D
FF
C
disable retiming:
VCIN, VCINQ < 0.3 V
VCCD − 1.32 V
POST
AMP
Imod
TZA3047A
TZA3047B
IBIAS / 750
Iav(MON)/ 12.5
(40, 41) 22
(37, 39) 21
(31, 32) 20
(29, 30) 19
18
(28, 33,
35, 36, 42)
(27) 17
(20, 22,
34, 38, 54)
3.3 V
20
kΩ
R
Imod/ 1500
+
ALARM
OPERATING
CURRENT Q
R
ALARM
MONITOR
CURRENT Q
V AND I
REFERENCE
VCCO
BIAS
GND
LA
LA
LAQ
LAQ
GND
GNDO
PWA
i.c.
1.4 V
enable
(26)
GNDRF
10 (16)
ENABLE
(17)
GNDDFT
11 (18)
ALOP
12 (19)
13 (21) 14 (23) 15 (24) 16 (25)
ALMON
MAXOP VTEMP MAXMON RREF
MDB314
The numbers in parenthesis refer to the bare die version.
Fig.1 Block diagram.
2003 Jun 05
4
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