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參數(shù)資料
| 型號： | 935260371551 |
| 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?。?/td> | 209K |
| 代理商： | 935260371551 |
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2000 Feb 22
2
Philips Semiconductors
Product specication
SDH/SONET STM4/OC12 laser drivers
TZA3001AHL; TZA3001BHL;
TZA3001U
FEATURES
622 Mbits/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.
TZA3001AHL
Laser alarm output for signalling extremely low and high
bias current conditions.
TZA3001BHL
Extra STM4 622 Mbits/s loop mode input; both CML and
PECL compatible.
TZA3001U
Bare die version with combined bias alarm and loop
mode functionality.
APPLICATIONS
SDH/SONET STM4/OC12 optical transmission systems
SDH/SONET STM4/OC12 optical laser modules.
GENERAL DESCRIPTION
The TZA3001AHL, TZA3001BHL and TZA3001U are fully
integrated laser drivers for STM4/OC12 (622 Mbits/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 TZA3001AHL 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 TZA3001BHL is provided with an additional RF data
input to allow remote system testing (loop mode).
The TZA3001U is a bare die version for use in compact
laser module designs. The die contains 40 pads and
features the combined functionality of the TZA3001AHL
and the TZA3001BHL.
ORDERING INFORMATION
TYPE
NUMBER
PACKAGE
NAME
DESCRIPTION
VERSION
TZA3001AHL
LQFP32
plastic low prole quad at package; 32 leads; body 5
× 5 × 1.4 mm
SOT401-1
TZA3001BHL
TZA3001U
bare die; 2000
× 2000 × 380 m
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