OQ2545BHP Philips Semiconductors, OQ2545BHP Datasheet
OQ2545BHP
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OQ2545BHP Summary of contents
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... DATA SHEET OQ2545HP; OQ2545BHP SDH/SONET STM16/OC48 laser drivers Product specification Supersedes data of 1997 Nov 27 File under Integrated Circuits, IC19 INTEGRATED CIRCUITS 1999 Aug 24 ...
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... Although the IC is intended for 2.5 Gbits/s optical transmission systems, it can be used in any application requiring high current drive at high frequencies. The IC is transparent from input to output. PACKAGE DESCRIPTION plastic low profile quad flat package; 48 leads; body 7 2 Product specification OQ2545HP; OQ2545BHP VERSION 7 1.4 mm SOT313-2 ...
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... Pins 11, 14, 20, 23, 26, 29, 32, 35, 38, 41 and 47. 1999 Aug 24 MONITOR BUFFER OQ2545HP FF PRE- AMPLIFIER EMITTER FOLLOWERS SMOD V EE1 AMPADJ Fig.1 Block diagram of OQ2545HP. 3 Product specification OQ2545HP; OQ2545BHP ANALOG SECTION MODULATION DRIVER (1) ( EFADJ ALS V EE2 V CC GND 40 MON 39 ...
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... Pins 1, 12, 13, 24, 25, 36, 37 and 48. (2) Pins 11, 14, 20, 23, 26, 29, 32, 35, 38, 41 and 47. 1999 Aug 24 MONITOR BUFFER OQ2545BHP FF PRE- AMPLIFIER EMITTER FOLLOWERS SMOD V EE1 AMPADJ Fig.2 Block diagram of OQ2545BHP. 4 Product specification OQ2545HP; OQ2545BHP ANALOG SECTION MODULATION DRIVER (1) ( EFADJ ALS V EE2 ...
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... S ground supply I clock input 30 internally connected; internal resistance inverted clock input 31 internally connected; internal resistance ground supply 33 I data input 34 I inverted data input 5 Product specification OQ2545HP; OQ2545BHP DESCRIPTION to GND to GND to GND to GND ...
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... TTL interface (+ ground supply 48 S supply voltage for analog section ( 6 OQ2545HP Fig.3 Pin configuration of OQ2545HP. 6 Product specification OQ2545HP; OQ2545BHP DESCRIPTION 36 V EE2 35 GND 34 DINQ 33 DIN 32 GND 31 CINQ 30 CIN 29 GND CLOOP 28 27 CLOOPQ 26 ...
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... V EE2 GND DIOA GND LA LA LAQ LAQ GND IBIAS GND V EE2 1999 Aug OQ2545BHP Fig.4 Pin configuration of OQ2545BHP. 7 Product specification OQ2545HP; OQ2545BHP 36 V EE2 35 GND 34 DINQ 33 DIN 32 GND 31 i.c. i. GND 28 i.c. 27 i.c. 26 GND 25 ...
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... ENL selects the loop mode. When pin ENL is left open-circuit pulled to a HIGH-level (TTL internal pull-up resistor EE1 Fig.5 Schematic for CML differential inputs. 8 Product specification OQ2545HP; OQ2545BHP outputs (pins MON 50 DINQ, DLOOPQ, CINQ, CLOOPQ MGL731 ...
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... SMOD. When pin SMOD = 0 V the value mod pin SMOD = V (approximately 100 I SIMOD k I SIMOD V EE2 Fig.6 Schematic of laser modulation outputs. 9 Product specification OQ2545HP; OQ2545BHP . When left open-circuit, pin SMOD is EE1 I (approximately) and whereas SIMOD the value 107 I EE1 mod 100 LA LAQ (1) ...
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... To avoid high frequency resonance, multiple bypass capacitors should not be mounted at the same location. To minimise low frequency switching noise in the vicinity of the IC, the power supply line should ideally be filtered once using an LC circuit with a low cut-off frequency. 10 Product specification OQ2545HP; OQ2545BHP . However, care should be taken EE2 ...
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... I IBIAS AMPADJ bias current, i.e. pins AMPADJ and EFADJ can be left open-circuit. 11 OQ2545HP; OQ2545BHP where I and I are the currents through AMPADJ EFADJ pins AMPADJ and EFADJ, respectively. These figures are valid for nominal supply voltage and temperature and are given for rough indication only ...
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... I LA(int) I mod I bias OQ2545 V EE2 Fig.8 Laser high ‘light emitting’. 12 OQ2545HP; OQ2545BHP can be derived. This value strongly depends on the 10 mm around the corner leads will result K/W. This value th(j-a) can be obtained with th(j-a) 125 T – amb max P = ...
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... Aug 24 GND I LAQ(int) 30 100 100 LAQ I LAQ(ext) LA IBIAS EMI choke I mod I bias OQ2545 MGL735 V EE2 Fig.9 Laser low ‘dark’. PARAMETER PARAMETER 13 Product specification OQ2545HP; OQ2545BHP 1 laser I BIAS MIN. MAX. 0.5 +6.0 V 6.0 +0.5 V 7.5 +0.5 V 1.0 +0.5 V 2.0 +0 ...
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... Current source control inputs: pins SIMOD and SIBIAS; note 6 bias current converter coefficient bias modulation current converter mod coefficient B bandwidth of unity gain amplifier G gain peaking SR slew rate 1999 Aug 24 OQ2545HP; OQ2545BHP load +85 C. amb CONDITIONS MIN. 4.75 4.75 6.85 OQ2545HP OQ2545BHP normal operation; note 1 laser shutdown maximum bias and modulation current ...
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... Notes 1. Value is based on: a) External modulation current through an external load giving a total modulation current of 80 mA. b) Bias current is 100 mA. c) Pins AMPADJ and EFADJ are left open-circuit. 1999 Aug 24 OQ2545HP; OQ2545BHP CONDITIONS MIN. note 11 2.05 note 12 1.6 note ...
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... EE2 on pins LA and LAQ. 100% The data stream should be ‘010101010101...’ 16 Product specification OQ2545HP; OQ2545BHP on-chip resistors fall below 1 mA after pin ALS = HIGH-level. IBIAS . With a current of 1 mA, the anode EE2 ...
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... Aug 24 CML INPUT V I(max I(min) Fig.10 Logic level symbol definitions for CML inputs. handbook, halfpage 50 OSCILLOSCOPE MGL737 Measured at T Fig.12 Maximum power dissipation as a function of 17 Product specification OQ2545HP; OQ2545BHP GND V i(p-p) MGL730 4 P tot ( th(j-a) (K/ ...
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... CIN DIN Output timing handbook, full pagewidth LA 1999 Aug 24 T cy(CIN) valid data Fig.13 CML input timing (OQ2545HP only o(p-p) Fig.14 Modulation output timing. 18 Product specification OQ2545HP; OQ2545BHP 50 MGK369 90% 50% 10% MGK370 ...
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... OQ2545HP MON MONQ ALS ENL from main controller module 19 Product specification OQ2545HP; OQ2545BHP optical fibre optical monitor output LASER CURRENT CONTROL V bias V mod DIOA EE2 ( EE1 42 GND (2) 14 SIBIAS ...
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... All V pins (pins 1, 12, 13, 24, 25, 36, 37 and 48) must connected together. EE2 (2) All GND pins (pins 11, 14, 20, 23, 26, 29, 32, 35, 38, 41 and 47) must be connected directly to the PCB ground plane. Fig.16 Application schematic OQ2545BHP with laser diode. 1999 Aug 24 LASER DIODE COMPENSATION ...
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... DIN 33 DINQ 34 CLOOP 28 OQ2545HP CLOOPQ 27 DLOOP 22 DLOOPQ 21 AMPADJ 16 EFADJ MON MONQ ALS from main controller module 21 OQ2545HP; OQ2545BHP optical fibre EAM IBIAS DIOA EE2 ( EE1 42 GND (2) 14 SIBIAS SIMOD 18 BGCAP ...
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... 2.5 scale (1) ( 0.27 0.18 7.1 7.1 9.15 0.5 0.17 0.12 6.9 6.9 8.85 REFERENCES JEDEC EIAJ 22 OQ2545HP; OQ2545BHP detail 9.15 0.75 1.0 0.2 0.12 0.1 8.85 0.45 EUROPEAN PROJECTION Product specification SOT313 (1) ( 0.95 0.95 ...
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... To overcome these problems the double-wave soldering method was specifically developed. 1999 Aug 24 OQ2545HP; OQ2545BHP If wave soldering is used the following conditions must be observed for optimal results: Use a double-wave soldering method comprising a turbulent wave with high upward pressure followed by a smooth laminar wave ...
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... Philips for any damages resulting from such improper use or sale. 1999 Aug 24 SOLDERING METHOD WAVE not suitable (2) suitable (3)(4) not recommended (5) not recommended 24 Product specification OQ2545HP; OQ2545BHP (1) REFLOW suitable suitable suitable suitable suitable ...
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... Philips Semiconductors SDH/SONET STM16/OC48 laser drivers 1999 Aug 24 OQ2545HP; OQ2545BHP NOTES 25 Product specification ...
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... Philips Semiconductors SDH/SONET STM16/OC48 laser drivers 1999 Aug 24 OQ2545HP; OQ2545BHP NOTES 26 Product specification ...
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... Philips Semiconductors SDH/SONET STM16/OC48 laser drivers 1999 Aug 24 OQ2545HP; OQ2545BHP NOTES 27 Product specification ...
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... Tel. +46 8 5985 2000, Fax. +46 8 5985 2745 Switzerland: Allmendstrasse 140, CH-8027 ZÜRICH, Tel. +41 1 488 2741 Fax. +41 1 488 3263 Taiwan: Philips Semiconductors, 6F, No. 96, Chien Kuo N. Rd., Sec. 1, TAIPEI, Taiwan Tel. +886 2 2134 2886, Fax. +886 2 2134 2874 Thailand: PHILIPS ELECTRONICS (THAILAND) Ltd., 209/2 Sanpavuth-Bangna Road Prakanong, BANGKOK 10260, Tel ...