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參數(shù)資料
| 型號(hào)： | 935263837118 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 其它接口 |
| 英文描述： | SPECIALTY INTERFACE CIRCUIT, PQFP32 |
| 封裝： | PLASTIC, SOT-401, LQFP-32 |
| 文件頁數(shù)： | 12/35頁 |
| 文件大小： | 208K |
| 代理商： | 935263837118 |
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2000 Feb 22
2
Philips Semiconductors
Product specication
Gigabit Ethernet/Fibre Channel laser
drivers
TZA3041AHL; TZA3041BHL;
TZA3041U
FEATURES
1.2 Gbits/s data input, both Current Mode Logic (CML)
and Positive Emitter Coupled Logic (PECL) compatible;
maximum 800 mV (p-p)
Adaptive laser output control with dual loop, stabilizing
optical 1 and 0 levels
Optional external control of laser modulation and biasing
currents (non-adaptive)
Automatic laser shutdown
Few external components required
Rise and fall times of 120 ps (typical value)
Jitter <50 mUI (p-p)
RF output current sinking capability of 60 mA
Bias current sinking capability of 90 mA
Power dissipation of 430 mW (typical value)
Low cost LQFP32 5 × 5 plastic package
Single 5 V power supply.
TZA3041AHL
Laser alarm output for signalling extremely low and high
bias current conditions.
TZA3041BHL
Extra 1.2 Gbits/s loop mode input; both CML and PECL
compatible.
TZA3041U
Bare die version with combined bias alarm and loop
mode functionality.
APPLICATIONS
Gigabit Ethernet/Fibre Channel optical transmission
systems
Gigabit Ethernet/Fibre Channel optical laser modules.
GENERAL DESCRIPTION
The TZA3041AHL, TZA3041BHL and TZA3041U are fully
integrated laser drivers for Gigabit Ethernet/Fibre Channel
(1.2 Gbits/s) systems, incorporating the RF path between
the data multiplexer and the laser diode. Since the dual
loop bias and modulation control circuits are integrated on
the IC, the external component count is low. Only
decoupling capacitors and adjustment resistors are
required.
The TZA3041AHL features an alarm function for signalling
extreme bias current conditions. The alarm low and high
threshold levels can be adjusted to suit the application
using only a resistor or a current Digital-to-Analog
Converter (DAC).
The TZA3041BHL is provided with an additional RF data
input to allow remote system testing (loop mode).
The TZA3041U is a bare die version for use in compact
laser module designs. The die contains 40 pads and
features the combined functionality of the TZA3041AHL
and the TZA3041BHL.
ORDERING INFORMATION
TYPE
NUMBER
PACKAGE
NAME
DESCRIPTION
VERSION
TZA3041AHL
LQFP32
plastic low prole quad at package; 32 leads; body 5
× 5 × 1.4 mm
SOT401-1
TZA3041BHL
TZA3041U
bare die; 2000
× 2000 × 380 m
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