tza3047a NXP Semiconductors, tza3047a Datasheet - Page 4

• Manufacturer Part Number: tza3047a
• Description: 30 Mbits/s Up To 1.25 Gbits/s Laser Drivers
• Manufacturer: NXP Semiconductors

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