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T0800-TNQ

Description
SPECIALTY INTERFACE CIRCUIT, PDSO24
CategoryAnalog mixed-signal IC    Drivers and interfaces   
File Size287KB,14 Pages
ManufacturerAtmel (Microchip)
Related ProductsFound2parts with similar functions to T0800-TNQ
Download Datasheet Parametric Compare View All

T0800-TNQ Overview

SPECIALTY INTERFACE CIRCUIT, PDSO24

T0800-TNQ Parametric

Parameter NameAttribute value
Is it Rohs certified?incompatible
Parts packaging codeSSOP
package instructionSSOP, SSOP24,.24
Contacts24
Reach Compliance Codecompli
Interface integrated circuit typeINTERFACE CIRCUIT
JESD-30 codeR-PDSO-G24
JESD-609 codee0
length7.925 mm
Humidity sensitivity level1
Number of functions1
Number of terminals24
Maximum operating temperature70 °C
Minimum operating temperature
Package body materialPLASTIC/EPOXY
encapsulated codeSSOP
Encapsulate equivalent codeSSOP24,.24
Package shapeRECTANGULAR
Package formSMALL OUTLINE, SHRINK PITCH
Peak Reflow Temperature (Celsius)260
power supply5 V
Certification statusNot Qualified
Maximum supply voltage5.5 V
Minimum supply voltage4.5 V
Nominal supply voltage5 V
surface mountYES
Temperature levelCOMMERCIAL
Terminal surfaceTin/Lead (Sn/Pb)
Terminal formGULL WING
Terminal pitch0.65 mm
Terminal locationDUAL
Maximum time at peak reflow temperature30
width4.4 mm
Base Number Matches1
Features
Current-controlled Output Current Source with 5 Input Channels
2 Selectable Outputs for Grounded Laser Diodes
Output Current per Channel up to 200 mA
Total Output Current up to 250 mA
Rise Time 1.0 ns/Fall Time 1.1 ns
On-chip RF Oscillator
Control of 2 Different Frequencies and Swings by Use of 4 External Resistors
Oscillator Frequency Range from 200 MHz to 600 MHz
Oscillator Swing to 100 mA
Single 5-V Power Supply
Common Enable/Disable Input
TTL/CMOS Control Signals
Small SSO24 Package and QFN28 Package
5-Channel Laser
Driver with RF
Oscillator and
2 Outputs
T0800
Applications
Combo Drives (DVD + CD-RW)
DVD-RAM with CD-RW Capability
DVD-RW with CD-RW Capability
1. Description
The T0800 is a laser diode driver for the operation of two different, grounded laser
diodes for DVD-RAM (650 nm) and CD-RW (780 nm). It includes five channels for five
different optical power levels which are controlled by a separate IC. The read channel
generates a continuous output level. The channels 2 to 5 are provided as write chan-
nels with very fast switching speeds. When a
low
signal is applied to the NE pins, write
current pulses are enabled. All channels are summed together and switched to one of
the two outputs IOUTA or IOUTB by the select input SELA. Each channel can contrib-
ute up to 200 mA to the total output current of up to 250 mA. A total gain of 100 is
provided between each reference current input and the selected output. Although the
reference inputs are current inputs, voltage control is possible by using external resis-
tors. An on-chip RF oscillator reduces laser mode hopping noise during read mode.
Frequency and swing can be set independently for the two selectable outputs with two
pairs of resistors. Oscillation is enabled by a
high
signal at the ENOSC pin. Complete
output current and oscillator switch-off is achieved by a
low
signal at the ENABLE
input.
Rev. 4503D–DVD–02/05

T0800-TNQ Related Products

T0800-TNQ T0800-PJQ HM233LE
Description SPECIALTY INTERFACE CIRCUIT, PDSO24 SPECIALTY INTERFACE CIRCUIT, PDSO24 Single button touch switch IC
Is it Rohs certified? incompatible incompatible -
Parts packaging code SSOP QFN -
package instruction SSOP, SSOP24,.24 HVQCCN, LCC28,.2SQ,20 -
Contacts 24 28 -
Reach Compliance Code compli compli -
Interface integrated circuit type INTERFACE CIRCUIT INTERFACE CIRCUIT -
JESD-30 code R-PDSO-G24 S-XQCC-N28 -
JESD-609 code e0 e0 -
length 7.925 mm 5 mm -
Humidity sensitivity level 1 2 -
Number of functions 1 1 -
Number of terminals 24 28 -
Maximum operating temperature 70 °C 70 °C -
Package body material PLASTIC/EPOXY UNSPECIFIED -
encapsulated code SSOP HVQCCN -
Encapsulate equivalent code SSOP24,.24 LCC28,.2SQ,20 -
Package shape RECTANGULAR SQUARE -
Package form SMALL OUTLINE, SHRINK PITCH CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE -
Peak Reflow Temperature (Celsius) 260 260 -
power supply 5 V 5 V -
Certification status Not Qualified Not Qualified -
Maximum supply voltage 5.5 V 5.5 V -
Minimum supply voltage 4.5 V 4.5 V -
Nominal supply voltage 5 V 5 V -
surface mount YES YES -
Temperature level COMMERCIAL COMMERCIAL -
Terminal surface Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) -
Terminal form GULL WING NO LEAD -
Terminal pitch 0.65 mm 0.5 mm -
Terminal location DUAL QUAD -
Maximum time at peak reflow temperature 30 30 -
width 4.4 mm 5 mm -
Base Number Matches 1 1 -

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