tza3050 NXP Semiconductors, tza3050 Datasheet - Page 24

• Manufacturer Part Number: tza3050
• Description: Tza3050 30 Mbits/s Up To 1.25 Gbits/s Burst Mode Laser Driver
• Manufacturer: NXP Semiconductors

Philips Semiconductors
20. Contents
1
2
2.1
2.2
2.3
3
4
5
6
6.1
6.2
7
7.1
7.2
7.3
7.4
7.5
7.6
7.7
7.8
7.9
7.10
7.11
8
9
10
11
12
12.1
12.1.1
12.1.2
12.1.3
12.1.4
12.1.5
12.2
12.3
13
14
14.1
14.2
14.3
14.4
14.5
15
General description . . . . . . . . . . . . . . . . . . . . . . 1
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Ordering information . . . . . . . . . . . . . . . . . . . . . 2
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Pinning information . . . . . . . . . . . . . . . . . . . . . . 4
Functional description . . . . . . . . . . . . . . . . . . . 5
Limiting values. . . . . . . . . . . . . . . . . . . . . . . . . . 7
Thermal characteristics. . . . . . . . . . . . . . . . . . . 8
Static characteristics. . . . . . . . . . . . . . . . . . . . . 8
Dynamic characteristics . . . . . . . . . . . . . . . . . 11
Application information. . . . . . . . . . . . . . . . . . 12
Package outline . . . . . . . . . . . . . . . . . . . . . . . . 18
Soldering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Revision history . . . . . . . . . . . . . . . . . . . . . . . . 22
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 4
Data and clock input . . . . . . . . . . . . . . . . . . . . . 5
Retiming . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Pulse width adjustment. . . . . . . . . . . . . . . . . . . 6
Modulator output stage . . . . . . . . . . . . . . . . . . . 6
Average loop control . . . . . . . . . . . . . . . . . . . . . 6
Direct current setting. . . . . . . . . . . . . . . . . . . . . 6
Soft start . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Burst mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Alarm functions. . . . . . . . . . . . . . . . . . . . . . . . . 7
Enable. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Reference block . . . . . . . . . . . . . . . . . . . . . . . . 7
Design equations . . . . . . . . . . . . . . . . . . . . . . 12
Bias and modulation currents . . . . . . . . . . . . . 12
Average monitor current . . . . . . . . . . . . . . . . . 13
Alarm operating current . . . . . . . . . . . . . . . . . 14
Alarm monitor current . . . . . . . . . . . . . . . . . . . 15
Pulse width adjustment. . . . . . . . . . . . . . . . . . 15
Burst mode application . . . . . . . . . . . . . . . . . . 15
Average loop control . . . . . . . . . . . . . . . . . . . . 17
Introduction to soldering surface mount
packages . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Reflow soldering . . . . . . . . . . . . . . . . . . . . . . . 19
Wave soldering . . . . . . . . . . . . . . . . . . . . . . . . 19
Manual soldering . . . . . . . . . . . . . . . . . . . . . . 20
Package related soldering information . . . . . . 20
30 Mbits/s up to 1.25 Gbits/s burst mode laser driver
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© Koninklijke Philips Electronics N.V. 2005
All rights are reserved. Reproduction in whole or in part is prohibited without the prior
written consent of the copyright owner. The information presented in this document does
not form part of any quotation or contract, is believed to be accurate and reliable and may
be changed without notice. No liability will be accepted by the publisher for any
consequence of its use. Publication thereof does not convey nor imply any license under
patent- or other industrial or intellectual property rights.
Published in The Netherlands
Data sheet status. . . . . . . . . . . . . . . . . . . . . . . 23
Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Disclaimers . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Contact information . . . . . . . . . . . . . . . . . . . . 23
Document number: 9397 750 14806
TZA3050
Date of release: 7 April 2005