DataSheet.es I7032 Hoja de datos PDF


PDF I7032 Datasheet ( Hoja de datos )

Número de pieza I7032
Descripción 200 Mbps Laser-Diode Driver
Fabricantes ETC 
Logotipo ETC Logotipo
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I7032 datasheet

1 Page

I7032 pdf
3. Block diagram
VIN+
VIN-
VCCA
VCCB
GNDA
GNDB
PREAMPLIFIER
ENB+
ENB -
BIAS
GENE-
RATOR
SLWSTRT
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i7032
DRIVER
OUT+
OUT-
IBIASOUT
COMPARATOR
4/7 X VCC- 0.4V
FIALOUT
TRANSCONDUCTANCE
AMPLIFIER
4/7 XVCC
IPIN
Figure 3. i7032 block diagram
4. Electrical specifications
oo
Vcc=VccA=VccB=+3.0V to +5.5V, TA= -40 C to 85 C, unless otherwise noted. Typical values are at
o
Vcc=VccA=VccB=+3.3V, TA=+25 C
4.1. DC characteristics
PARAMETER
SYMBOL
CONDITIONS
MIN
Range of Programmable
Laser Bias Current
Reference Voltage
IBIAS
VREF
o
TA=25 C
Available Reference Current IREF
Differential Input Voltage
VIL
100
TTL High Input
VIH
2
TTL Low Input
VIL
FAILOUT Output High
VOH
Loaded with 2.7kpull-up
resister to Vcc
Vcc - 0.3
FAILOUT Output Low
VOL
Loaded with 2.7kpull-up
resister to Vcc
TYP
2.5
MAX
80
10
1600
0.8
UNITS
mA
V
mA
mVp-p
V
V
V
0.3 V
© 2003 iCreate Technologies Corporation
This document contains preliminary information on product but not yet fully characterized.
iCreate Technologies Corporation reserves the right to change the specification in any manner without notice.
Page 3
ICR-DS-i7032001

5 Page

I7032 arduino
i7032
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7. Typical application circuits
7.1. Application circuit with temperature-independent modulation current
VCC
VCC
R1
4.7K
R2 R3
0R Rpin
C1
0.1uF VPIN
C5
1uF
VCC
PD
C6
0.1uF
LD
DIN+
DIN-
VCC
C7
0.1uF
U1 18 17 16 15 14 13
C2
0.1uF
19
GNDB
T
U
OALI
F
SET
NPII
EF2
RV
T
RST
WSL
NPII
A
C
CV
20 VINP
GNDA
OUTP
12
11
21 VINN
GNDA 10
22 VCCB
OUTN 9
23
IMODTC
8
GNDA
24 ENBN
IBIASOUT 7
BP
NE
1
EF
RV
J
DSA
O
R
B
BASFII
SET
BASII
SET
D
O
MI i7032_EN
VCC 1 2 3 4 5 6
VCCVCC
R4
24R R5
NC
C3
NC
C4
1uF
R6 18R
R7 47R
R11
Rosadj
R12
Rbias
R13
Rmodset
Rmodset : Reserve if need.
Rbias : Reserve if need.
Rpin : Setting for LD current.
Rmodtc : Setting for modulation current
& Temperature compensation control.
R5 & C3 : are optional for overshooting improvement.
Rs & Rntc : Modulation temperature compensation if need.
Check VPIN : 4/7*VCC to make sure APC functional work.
Figure 9. Typical application circuit with temperature-independent modulation current
7.2. Application circuit with temperature-compensated modulation current
VCC
VCC
R1
4.7K
R2 R3
0R Rpin
C1
0.1uF
VPIN
C5
1uF
VCC
PD
C6
0.1uF
LD
DIN+
DIN-
VCC
C7
0.1uF
R9
Rs
R10
Rntc
U1 18 17 16 15 14 13
C2
0.1uF
19
20
21
22
23
24
R8
Rmodtc
GNDB
T
U
OLI
AF
T
SE
NI
PI
F2
E
R
V
T
RST
WSL
NPII
A
C
CV
VINP
GNDA
OUTP
12
11
VINN
10
GNDA
VCCB
OUTN 9
IMODTC
GNDA 8
ENBN
IBIASOUT 7
BP
NE
F1
E
R
V
J
DSA
O
R
SBF
AI
BI
T
SSE
AI
BI
ET
S
D
O
MI i7032_EN
VCC 1 2 3 4 5 6
VCCVCC
R4
24R R5
NC
C3
NC
C4
1uF
R6 18R
R7 47R
R11
Rosadj
R12
Rbias
R13
Rmodset
Rmodset : Reserve if need.
Rbias : Reserve if need.
Rpin : Setting for LD current.
Rmodtc : Setting for modulation current
& Temperature compensation control.
R5 & C3 : Overshoot filter.
Rs & Rntc : Modulation temperature compensation if need.
Check VPIN : 4/7*VCC to make sure APC functional work.
Figure 10. Typical application circuit with temperature-compensated modulation current
© 2003 iCreate Technologies Corporation
This document contains preliminary information on product but not yet fully characterized.
iCreate Technologies Corporation reserves the right to change the specification in any manner without notice.
Page 8
ICR-DS-i7032001

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