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U8600B

Description
Laser Controller
CategoryThe embedded processor and controller    Microcontrollers and processors   
File Size223KB,12 Pages
ManufacturerTEMIC
Websitehttp://www.temic.de/
Download Datasheet Parametric View All

U8600B Overview

Laser Controller

U8600B Parametric

Parameter NameAttribute value
MakerTEMIC
package instructionSHRINK, SOIC-44
Reach Compliance Codeunknow
Maximum data transfer rate2 MBps
JESD-30 codeR-PDSO-G44
Number of terminals44
Maximum operating temperature75 °C
Minimum operating temperature
Package body materialPLASTIC/EPOXY
Package shapeRECTANGULAR
Package formSMALL OUTLINE
Certification statusNot Qualified
Maximum supply voltage5.25 V
Minimum supply voltage4.75 V
Nominal supply voltage5 V
surface mountYES
technologyCMOS
Temperature levelCOMMERCIAL EXTENDED
Terminal formGULL WING
Terminal locationDUAL
uPs/uCs/peripheral integrated circuit typeSECONDARY STORAGE CONTROLLER, OPTICAL DISK
U8600B
Laser Controller
Description
The U8600B is a monolithic integrated circuit using
TEMIC’s advanced UHF technology. The IC is a very
high-speed, mixed–signal laser driver circuit for
re-writable optical systems.
It comprises a servo amplifier to drive the laser diode, a
high-frequency modulator for noise reduction, power and
pulse-width generators as well as several operation con-
trol and safety functions.
Features
D
Single + 5 V power supply
D
Data transfer rates up to 16 Mb/s
D
Servo system
– High bandwidth: 100 MHz
– High dc gain: 110 dB
– High LD drive current: typ. 100 mA, max. 180 mA
– High slew rate: 5 ns rise/ fall time
– Servo gain adjustable
D
On-chip generation of power levels for read, erase,
and write operations
D
On-chip generation of write and off-pulse widths:
15 to 90 ns, 5 ns steps
D
Digital control of power and pulse parameters via a
serial 3-wire interface
D
Basic power level adjustable
D
Supervision of power supply, laser current and laser
power
D
Laser shutdown to prevent laser damage and data loss
Package:
44-lead shrinked small-outline IC (SSO44)
Thermal resistance: R
thJC
= 22°C/W
D
Noise reduction by servo loop and weak high-
frequency modulation
Block Diagram
40
41
GND GADJ
38
39
44
43
19
18
4
23
16
PDK
LDK
I
Ref
VMON
LD off
EXTM
WDATA
WGATE
OPEENB
VDM
DCLK
read
1
ISET
erase
write
Serial interface
Pulse-width
generators
DCLK
iref
Buffer
error
signal
current
limit
Operation
control
unit
Servo amplifier
HF
Mod.
WGATE
HFV
HFE
EXTC
PFAIL
LPFAIL
V
Ref
LDENB
SCLOCK
SDATA
SENB
GND
V
CCD
9–14,
15
31–36
V
CCS
8
T1
3
T2
20
27, 28
26
25
24
21
22
2
17
7
6
5
digital signals
analog signals
42
FSC
30
CC
11657
Power
generators
V
CCA
37
V
CCL
29
Figure 1.
TELEFUNKEN Semiconductors
Rev. A1, 30-Aug-96
1 (12)
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