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PDF U8600B Data sheet ( Hoja de datos )
| Número de pieza | U8600B | |
| Descripción | Laser Controller | |
| Fabricantes | TEMIC Semiconductors | |
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Laser Controller
U8600B
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 Noise reduction by servo loop and weak high-
frequency modulation
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: RthJC = 22°C/W
Block Diagram
40 41
GND GADJ
42
FSC
30
CC
11657
38 PDK
39 IRef
VMON
44
43 EXTM
19 WDATA
18 WGATE
4 OPEENB
VDM
23
16 DCLK
1 ISET
Servo amplifier
iref
Buffer
Pulse-width
generators
error
signal
LD off
current
limit
Operation
control
unit
HF
Mod.
WGATE
DCLK
read erase write
Power
generators
Serial interface
LDK
27, 28
HFV
26
HFE 25
EXTC
24
PFAIL
LPFAIL
VRef
21
22
2
LDENB
17
SCLOCK
SDATA
SENB
7
6
5
VCCA VCCL
GND
VCCD
VCCS
37
29 9–14,
31–36
15
8
T1 T2
3 20
digital signals
analog signals
Figure 1.
TELEFUNKEN Semiconductors
Rev. A1, 30-Aug-96
Preliminary Information
1 (12)
1 page  
www.DataSheet4U.com
U8600B
DC Characteristics (continued)
VCCA = VCCL = VCCD = VCCS = 5 V, Tamb = 25°C, unless otherwise specified
Parameter
Test Conditions /Pin
Symbol Min. Typ. Max.
Digital inputs HFE, WDATA, WGATE, OPENB, DCLK, SENB, SDATA, SCLOCK, LDENB
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁL-input voltage
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁH-input voltage
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁThreshold voltage
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁL-input current
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁH-input current
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁOpen collector outputs PFAIL, LPFAIL
VIL 0.8
VIH 3.5
Vth 2.5
IIL –70
IIH 70
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁL-output voltage
L-output current
IOL = 2 mA
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁOutput leakage current
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁTemperature test diodes T1, T2
VOL
IOL
IOH
0.4
2
10
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁDiode voltage
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁTemperature dependancy
Id = 100 µA
Vd
D Vd/Dd
750
1.5
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁBias current
Id 300
Unit
V
V
V
µA
µA
V
mA
µA
mV
mV/°C
µA
AC Characteristics
VCCA = VCCL = VCCD = VCCS = 5 V, Tamb = 25 C, unless otherwise specified
Parameter
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁServo amplifier
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁOpen loop parameters
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁDC gain
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁLow frequency pole
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁHigh frequency pole
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁHigh frequency gain
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁPhase margin
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁGain adjust range
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁLow frequency gain adjust
range
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁShift range of low frequency
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁslope
Test Conditions /Pin
Symbol
without LD,
I(LDK)sa = 100 mA
V(GADJ) = V(FSC) = 2.5V
V(FSC) = 2.5 V
V(GADJ) = 2.5 V
V(GADJ) = 2.5 V
f = 100 MHz
V(GADJ) = 2.5 V
C(PDK) = CREF = 10 pF
f = 100 MHz
V(GADJ) = 1.5 to 2.5 V,
figure 10
V(FSC) = 1.5 to 2.5 V,
figure 11
V(FSC) = 1.5 to 2.5 V,
figure 7
gDC
fpLF
fpHF
gHF
Dö
Dg
D gLF
D fpLF
Min. Typ. Max. Unit
110 dB
60 kHz
10 MHz
42 dB
75 °
14 dB
10 dB
3–
TELEFUNKEN Semiconductors
Rev. A1, 30-Aug-96
Preliminary Information
5 (12)
5 Page 
www.DataSheet4U.com
Package Information
Package: SSO44
Dimensions in mm
17.9 ± 0.1
0.3
0.8 ± 0.05
U8600B
2.35 ± 0.05
0.1 max.
0.25 ± 0.05
7.4 ± 0.1
10.35 ± 0.1
Pin 1
TELEFUNKEN Semiconductors
Rev. A1, 30-Aug-96
Preliminary Information
11 (12)
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet U8600B.PDF ] | |
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