INTEGRATED CIRCUITS DATA SHEET TZA1026 Data amplifier and laser supply circuit for CD audio and video optical systems (ADALASAuto) Product specification File under Integrated Circuits, IC01 1998 Oct 30 Philips Semiconductors Product specification Data amplifier and laser supply circuit for CD audio and video optical systems (ADALASAuto) TZA1026 FEATURES • Suitable for automotive applications • Supports a wide range of voltage output mechanisms • RF amplifier designed for audio and video applications with data rates up to a maximum of n = 4 times speed • Programmable RF gain for CD-Audio/Video (CD-A/V) and CD-Read/Write (CD-R/W) discs • Adjustable equalizer for n = 1 or n = 2 times speed The RF bandwidth allows this device to be used in CD-A/V and CD-R/W applications with a data rate up to a maximum of n = 4 times speed. The RF gain can be adapted for CD-A/V discs or CD-R/W discs by means of the gain select signal. • Fully Automatic Laser Power Control (ALPC) including stabilization plus a separate laser supply voltage for power efficiency • Adjustable current range of ALPC output • Automatic N- or P-substrate monitor diode selection • Adjustable laser bandwidth and laser switch-on current slope using external capacitor The equalizer can be adjusted for n = 1 or n = 2 times speed with the equalizer/speed select signal. For n = 4 times speed the RF is not equalized. • Protection circuit to prevent laser damage due to laser supply voltage dip The TZA1026 can be adapted to a wide range of voltage output mechanisms by means of external resistors. • Optimized interconnection between data amplifier and Philips’ digital signal processor CD10Auto (SAA7326) The ALPC circuit will maintain control over the laser diode current. With an on-chip reference voltage generator, a constant and stabilized output power is ensured independent of ageing. The ALPC can accommodate N- or P-substrate monitor diodes. • Wide supply voltage range • Power-down switch to reduce power consumption during standby • Wide temperature range A separate supply voltage connection for the laser allows the internal power dissipation to be reduced by connecting a low voltage supply. The laser output current range can be optimized to fit the requirements of the laser diode by means of one external resistor. When a DC-to-DC converter is used, in combination with the control loop of the ALPC, the adjustable output current range provides the possibility to compensate for the extra gain a DC-to-DC converter introduces in the control loop. • Low power consumption. GENERAL DESCRIPTION The TZA1026 is a data amplifier and laser supply circuit for voltage output mechanisms found in a wide range of audio and video CD systems. The device contains an RF amplifier and an automatic laser power control circuit. The preamplifier forms a versatile, programmable interface for voltage output CD mechanisms to the Philips’ digital signal processor CD10Auto (SAA7326). 1998 Oct 30 2 Philips Semiconductors Product specification Data amplifier and laser supply circuit for CD audio and video optical systems (ADALASAuto) TZA1026 QUICK REFERENCE DATA SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT Supplies VDD supply voltage 2.7 − 5.5 V IDD supply current − 3 − mA VDD(L) laser supply voltage 2.7 − 5.5 V EQSEL = LOW; n = 1 − − 10 ns EQSEL = HIGH; n = 2 − − 5 ns EQSEL = open-circuit; n = 4; non equalized − − 2.5 ns − − mA RF amplifier td(f)(RF) RF flatness delay Laser supply circuit Io(LASER)(max) maximum laser output current Vi(mon) VDD(L) − Vo(LASER) = 0.55 V 80 monitor input voltage N-substrate monitor diode − 0.150 − V P-substrate monitor diode − VDD − 0.150 − V −40 − +85 °C Temperature range Toper operating temperature ORDERING INFORMATION PACKAGE TYPE NUMBER NAME TZA1026T SO14 1998 Oct 30 DESCRIPTION plastic small outline package; 14 leads; body width 3.9 mm 3 VERSION SOT108-1 Philips Semiconductors Product specification Data amplifier and laser supply circuit for CD audio and video optical systems (ADALASAuto) TZA1026 BLOCK DIAGRAM VDD handbook, full pagewidth 13 CDRW VDD 11 1× 5 4× 12 9 DIN 10 EQSEL RFFB RFEQO 2× 8 250 kHz TZA1026 V/I MON 1 (1) 4 LD VGAP 14 V/I 3 VDD 6 7 2 MBK889 GND VDD(L) (1) Band gap reference voltage. Fig.1 Block diagram. 1998 Oct 30 CMFB 4 RGADJ CFIL PWRON Philips Semiconductors Product specification Data amplifier and laser supply circuit for CD audio and video optical systems (ADALASAuto) The gain of the RF amplifier can be adjusted by the external input resistors. Fig.3 shows the simplified schematic which can be used to determine the RF gain. The signal is AC coupled to the RF amplifier. The formula to determine the gain is shown below: Z tr ( RF ) G RF = – n × -----------------(1) R2 PINNING SYMBOL PIN DESCRIPTION LD 1 current output to laser diode VDD(L) 2 laser supply voltage CFIL 3 external filter capacitor TZA1026 MON 4 laser monitor diode input DIN 5 central diode input GND 6 ground GRF is the RF amplifier gain PWRON 7 power-on select input n is the number of input resistors CMFB 8 common mode feedback voltage input Ztr(RF) is the transimpedance of the amplifier (Ω) RFFB 9 external RF feedback resistor RFEQO 10 RF amplifier output CDRW 11 gain select input for CD-A/V, CD-R/W EQSEL 12 equalizer/speed select input (n = 1, 2 or 4) VDD 13 supply voltage RGADJ 14 external laser supply gain adjust resistor where: R2 is the value of the input resistors(Ω). The gain can be increased by a factor 4 by making pin CDRW HIGH. The value of Ztr(RF) is 9.8 kΩ for CD-A/V (CDRW = LOW) and 38 kΩ for CD-R/W (CDRW = HIGH). The equalizer/bandwidth section can be switched between n = 1, n = 2 (inclusive the corresponding equalizer) or n = 4 (inclusive the required bandwidth limitation) times speed. The DC output level of the amplifier can be set by applying a DC voltage on the common mode feedback pin CMFB. Since the input signal is AC-coupled the RF output voltage will swing (symmetrically) around this DC level. handbook, halfpage LD 1 14 RGADJ VDD(L) 2 The coupling of the TZA1026 to the signal processor (SAA7326) can be either AC or DC. When an AC-coupling is chosen (see Fig.8) the minimum supply voltage can be applied. When a DC-coupling is chosen (see Fig.9) a minimum supply voltage of 2.8 V is required. 13 VDD CFIL 3 12 EQSEL MON 4 TZA1026 11 CDRW DIN 5 10 RFEQO GND 6 9 RFFB 8 CMFB PWRON 7 MBK890 Fig.2 Pin configuration. handbook, halfpage Vin Vin 10 kΩ R2(1) R2(2) C2 RFEQO FUNCTIONAL DESCRIPTION Vin The TZA1026 consists of two sections, the RF amplifier and the automatic laser power control circuit. R2(n) CDRW RF amplifier The RF amplifier consists of a current input amplifier, an equalizer/bandwidth section and a transimpedance output amplifier with an external feedback resistor of 10 kΩ (fixed value). 1998 Oct 30 Fig.3 Simplified schematic. 5 MGL530 Philips Semiconductors Product specification Data amplifier and laser supply circuit for CD audio and video optical systems (ADALASAuto) TZA1026 where: Automatic laser power control circuit Io is output current (mA) The ALPC stabilises the laser output power thereby reducing the effect of ageing of the laser. Io(LASER)(max) is the maximum laser output current (mA) 250 is a fixed internal resistor value (Ω) The TZA1026 automatically detects when an N- or P-substrate monitor diode is used and selects the correct reference voltage. A simplified diagram for the use of an N- or P-substrate monitor diode is given in Fig.4. RRGADJ is the value of the external resistor (Ω). The bandwidth of the loop is determined by the external filter capacitor CCFIL and the loop gain. The formula to determine the bandwidth is shown in equation (4). The gain of the loop can be controlled (reduced) by adding an external resistor between pins RGADJ and GND. The loop gain then becomes: 250 G loop = G ALPC × G lm × G con × ------------------------------------(2) 250 + R RGADJ 6 τ -3dB C CFIL × 16 ⋅ 10 = ----------------------------------------G loop (4) where: where: CCFIL is the value of the capacitor (F) Gloop is the loop gain Gloop is the loop gain. GALPC is the ALPC transfer (60 A/V) The TZA1026 has a protection circuit to prevent laser damage that can occur due to a dip of VDD(L). When a dip occurs the output transistor (see Fig.4) will go into saturation making it unable to supply the required laser current. Without the protection circuit the ALPC would still try to supply the required laser current by charging the filter capacitor CCFIL. After the dip a fully charged capacitor would create a large output current during the few milliseconds it needs to discharge the capacitor to a normal level. The protection circuit monitors the output transistor and switches off the ALPC when saturation occurs by discharging the capacitor. The ALPC will automatically restart within a few milliseconds after the dip has passed. Glm is the laser-to-monitor transfer (V/A) Gcon is the extra gain introduced when a DC-to-DC converter is used in the loop; Gcon = 1 when no DC-to-DC converter is used 250 is a fixed internal resistor value (Ω) RRGADJ is the value of the external resistor (Ω). The minimum available output current is also reduced when an external resistor is used. The formula to determine the minimum available output current is shown in equation (3). 250 (3) I o = I o(LASER)(max) × ------------------------------------250 + R RGADJ VDD(L) handbook, full pagewidth VDD(L) VDD VDD − 150 mV 150 mV DC-TO-DC CONVERTER DC-TO-DC CONVERTER CCFIL CCFIL MGR519 a. N-substrate monitor diode. b. P-substrate monitor diode. Fig.4 Automatic Laser Power Control (ALPC) loop. 1998 Oct 30 6 Philips Semiconductors Product specification Data amplifier and laser supply circuit for CD audio and video optical systems (ADALASAuto) TZA1026 LIMITING VALUES In accordance with the Absolute Maximum Rating System (IEC 134). SYMBOL PARAMETER CONDITIONS MIN. MAX. UNIT VDD supply voltage −0.5 +5.5 V VDD(L) laser supply voltage −0.5 +5.5 V Vi(n) input voltage on pins 3, 4, 7, 8, 10, 11, 12 and 14 note 1 −0.5 VDD + 0.5 V Vo(LASER) laser output voltage note 2 −0.5 VDD(L) + 0.5 V Vi(DIN) central diode input voltage note 3 −0.5 − V Ii(DIN) central diode input current note 4 −1 +1 mA Vi(RFFB) RF feedback voltage note 3 −0.5 − V Ii(RFFB) RF feedback current note 4 −1 +1 mA Ves electrostatic handling human body model; note 5 −2000 +2000 V machine model; note 6 Tamb −250 −40 operating ambient temperature +250 V +85 °C Notes 1. The maximum value VDD + 0.5 must not exceed 5.5 V. 2. The maximum value VDD(L) + 0.5 must not exceed 5.5 V. 3. Pins DIN and RFFB are current inputs with a limitation on the maximum input current. 4. The maximum peak current must not exceed ten times the absolute average input current with a maximum for the absolute average input current of 1 mA. Averaging is only allowed over a maximum time interval of 100 ms. 5. Equivalent to discharging a 100 pF capacitor via a 1.5 kΩ series resistor with a rise time of 15 ns. 6. Equivalent to discharging a 200 pF capacitor via a 2.5 µH series inductor. QUALITY SPECIFICATION In accordance with “SNW-FQ-611-E”. 1998 Oct 30 7 Philips Semiconductors Product specification Data amplifier and laser supply circuit for CD audio and video optical systems (ADALASAuto) TZA1026 CHARACTERISTICS VDD = 2.7 V; VDD(L) − Vo(LASER) = 0.55 V; Ii(DIN) = 0 mA; Io(LASER) = 80 mA; VCMFB = 1⁄2VDD; PWRON = HIGH; CDRW = LOW; EQSEL = open-circuit; CCFIL = 10 nF; RRFFB = 10 kΩ; pin RGADJ connected to ground; Tamb = 25 °C; unless otherwise specified. SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT Supplies 2.7 − 5.5 laser supply voltage 2.7 − 5.5 V supply current − 3 − mA − − 40 µA VDD supply voltage VDDL(L) IDD Iq quiescent supply current PWRON = LOW V RF amplifier Ii(DIN) central diode input current −70 − +70 µA Zi(DIN) central diode input impedance − 100 − Ω VCMFB common mode feedback input voltage note 1 0.7 1⁄ VDD − 0.4 V VO(RFEQO) RF amplifier output DC-level CDRW = LOW VCMFB − 0.05 − VCMFB + 0.25 V CDRW = HIGH VCMFB − 0.35 − VCMFB + 0.35 V 0.25 − VDD − 0.25 V − 100 − Ω f < 1 MHz; n = 1; EQSEL = LOW − − 10 ns f < 2 MHz; n = 2; EQSEL = HIGH − − 5 ns f < 4 MHz; n = 4; EQSEL = open-circuit − − 2.5 ns f = 720 kHz; n = 1; EQSEL = LOW − 5 − dB f = 1440 kHz; n = 2; EQSEL = HIGH − 5 − dB f = 2880 kHz; n = 4; EQSEL = open-circuit − 0 − dB Vo(RFEQO) RF amplifier output voltage Zo(RFEQO) RF amplifier output impedance note 2 td(f)(RF) RF flatness delay CDRW = LOW or HIGH GRF Ztr(RF) THDRF 1998 Oct 30 RF path gain boost RF transimpedance RF total harmonic distortion 2VDD CDRW = LOW or HIGH; notes 3 and 4 note 5 CDRW = LOW 9.2 9.8 10.4 kΩ CDRW = HIGH 35.6 38 40.4 kΩ − −50 − dB note 4 8 Philips Semiconductors Product specification Data amplifier and laser supply circuit for CD audio and video optical systems (ADALASAuto) SYMBOL PARAMETER CONDITIONS TZA1026 MIN. TYP. MAX. UNIT PSRRRF RF power supply ripple rejection 0 to 100 kHz − 40 − dB BRF RF bandwidth unequalized; CDRW = LOW or HIGH; EQSEL = open-circuit 5.7 7 8.6 MHz Vn(in-band)(rms) in-band noise (RMS value) note 4 CDRW = LOW EQSEL = LOW − 2.7 − mV EQSEL = open-circuit − 1.2 − mV EQSEL = HIGH − 2.9 − mV EQSEL = LOW − 10.5 − mV EQSEL = open-circuit − 4 − mV EQSEL = HIGH − 11 − mV CDRW = HIGH Laser supply circuit Vdrop drop voltage note 6 0.55 − 5.5 V Io(LASER)(max) maximum laser output current Vdrop = 0.55 V; note 7 80 − − mA Zo(LASER) laser output impedance Vdrop = 0.55 V; note 8 Io(LASER) = 53 mA − 500 − Ω Io(LASER) = 20 mA − 1200 − Ω N-substrate diode 0.132 0.150 0.168 V P-substrate diode VDD − 0.168 VDD − 0.150 VDD − 0.132 Vi(mon) monitor input voltage V Ii(mon) monitor input current −200 − +200 nA tsw(on)(LASER) laser switch-on time − 3 − ms RSref reference supply rejection note 9 − − 5 % Vclamp ALPC clamp voltage note 10 − − 0.5 V Control inputs Zi(pd) pull-down input impedance pin CDRW − 200 − kΩ Zi(pu) pull-up input impedance pin PWRON − 200 − kΩ VIL LOW-level input voltage −0.2 − 1⁄ 3VDD V −0.2 − 1⁄ 3VDD V − − − pin CDRW pin PWRON pin EQSEL 1998 Oct 30 note 11 9 V Philips Semiconductors Product specification Data amplifier and laser supply circuit for CD audio and video optical systems (ADALASAuto) SYMBOL PARAMETER CONDITIONS TZA1026 MIN. TYP. MAX. UNIT HIGH-level input voltage VIH pin CDRW 2⁄ 3VDD − VDD + 0.2 V pin PWRON 2⁄ 3VDD − VDD + 0.2 V − − V pin EQSEL − note 11 Notes 1. At −40 °C the value of VCMFB should be not become lower than 0.85 V. 2. Closed-loop output impedance (10 kΩ between pins RFEQO and RFFB). 3. GRF = (GRFEQO at fEQ) − (GRFEQO at f = 1 kHz) where: a) fEQ = 720 kHz for n = 1 times speed (see Fig.5) b) fEQ = 1440 kHz for n = 2 times speed (see Fig.6) c) fEQ = not applicable for n = 4 times speed (see Fig.7). 4. The appropriate external filter (n = 1, 2 or 4) should be used (see Table 1). 5. Values to be used in equation (1). 6. Vdrop = VDD(L) − Vo(LASER). 7. An external resistor can be used to reduce the maximum output current (and the gain) of the laser supply; see equation (4). 8. The output impedance strongly depends on the drop voltage (Vdrop). The output impedance will approximately double when the drop voltage doubles. 9. RS ref ∆V mon ----------------V mon = ----------------∆V DD --------------V DD 10. When a voltage dip at VDD(L) occurs it could cause peak currents on Io(LASER) coming out of the ALPC output. To protect the laser against such peak currents a protection circuit will switch-off the laser current when Vdrop becomes lower than Vclamp. When Vdrop > Vclamp the laser will switch-on automatically again. 11. The pin EQSEL is a three level switch. When this pin is left open-circuit two internal resistors will keep the pin EQSEL at 1⁄2VDD. This is the n = 4 times speed state. The two internal resistors are non-linear (when EQSEL = HIGH or LOW the input or output current will be limited). 1998 Oct 30 10 Philips Semiconductors Product specification Data amplifier and laser supply circuit for CD audio and video optical systems (ADALASAuto) MGR520 12 handbook, halfpage (2) MGR521 12 254 handbook, halfpage td G (dB) TZA1026 (2) (ns) 132 td (ns) G (dB) (1) 8 8 252 130 (1) 4 250 4 128 0 248 0 126 −4 10−1 (1) Gain. (2) Delay. 1 Definition of delay: −4 10−1 246 10 f (MHz) ϕ -------- 360- t d = ----------------f (1) Gain. (2) Delay. Fig.5 Equalizer gain and delay for n = 1. MGR522 2 handbook, halfpage G (dB) 0 47 td (ns) 1 47 pF 2 22 pF 45 4 10 pF (1) Gain. (2) Delay. 43 f (MHz) 41 10 ϕ -------- 360- Definition of delay: t d = ----------------f Fig.7 Gain and delay for n = 4. 1998 Oct 30 Recommended values of component per speed for application diagram of Figs 8 and 9 C1 (2) 1 ϕ -------- 360- t d = ----------------f n (1) −2 Definition of delay: 124 10 f (MHz) Fig.6 Equalizer gain and delay for n = 2. Table 1 −4 10−1 1 11 Philips Semiconductors Product specification Data amplifier and laser supply circuit for CD audio and video optical systems (ADALASAuto) TZA1026 APPLICATION INFORMATION The application for the TZA1026 (ADALASAuto) with the SAA7326 (CD10Auto) using a coupling capacitor of 3.3 nF is shown in Fig.8. VDD(LASER) handbook, full pagewidth LD VDD LD 100 nF VDD(L) 10 nF CFIL MON MON VDD DIN GND PWRON VCOM 1 14 2 13 3 12 4 5 6 7 RGADJ from microprocessor(2) RRGADJ(1) 100 nF VDD EQSEL TZA1026 11 CDRW (ADALAS Auto) 10 9 8 1 kΩ 3.3 nF RFEQO RFFB CMFB HFIN C1(4) 10 kΩ(3) HFREF 22 kΩ ISLICE 100 nF 100 nF SAA7326 OPU LDON (CD10Auto) VRIN C2(5) R2 (4×) D1 D1 D2 D2 D3 D3 D4 D4 S1 S1 S2 S2 LF FILTER (1) (2) (3) (4) 6 × 220 pF MBK891 See Equation (3) to calculate the value of this resistor. Pins EQSEL and CDRW can be controlled by the CD10Auto or a microprocessor but can also be fixed or switched by any other means. The 10 kΩ feedback resistor between pins 9 and 10 is a fixed value. For recommended values per speed see Table 1. R2 ( Ω ) × C2 ( F ) (5) The high-pass filter (AC-coupling) is placed at the input of the preamplifier. The −3 dB point (f = 10 kHz) is at --------------------------------------------4 Fig.8 Application diagram with SAA7326 (CD10Auto) using a coupling capacitor. 1998 Oct 30 12 Philips Semiconductors Product specification Data amplifier and laser supply circuit for CD audio and video optical systems (ADALASAuto) TZA1026 The application for the TZA1026 (ADALASAuto) with the SAA7326 (CD10Auto) without a coupling capacitor is shown in Fig.9. A minimum supply voltage (VDD) is required for optimal performance. VDD(6) VDD(LASER) handbook, full pagewidth LD LD 100 nF VDD(L) 10 nF CFIL MON MON VDD DIN GND PWRON VCOM 1 14 2 13 3 12 4 5 RGADJ from microprocessor(2) RRGADJ(1) 100 nF VDD EQSEL TZA1026 11 CDRW (ADALAS Auto) 10 6 9 8 7 1 kΩ RFEQO RFFB CMFB HFIN C1(4) 10 kΩ(3) HFREF ISLICE 100 nF 100 nF SAA7326 OPU LDON (CD10Auto) VRIN C2(5) R2 (4×) D1 D1 D2 D2 D3 D3 D4 D4 S1 S1 S2 S2 LF FILTER 6 × 220 pF MBK892 (1) See Equation (3) to calculate the value of this resistor. (2) Pins EQSEL and CDRW can be controlled by the CD10Auto or a microprocessor but can also be fixed or switched by any other means. (3) The 10 kΩ feedback resistor between pins 9 and 10 is a fixed value. (4) For recommended values per speed see Table 1. R2 ( Ω ) × C2 ( F ) (5) The high-pass filter (AC-coupling) is placed at the input of the preamplifier. The −3 dB point (f = 10 kHz) is at --------------------------------------------4 (6) The minimum supply voltage (VDD) without using a coupling capacitor is 2.8 V. Fig.9 Application diagram with SAA7326 (CD10Auto) without coupling capacitor. 1998 Oct 30 13 Philips Semiconductors Product specification Data amplifier and laser supply circuit for CD audio and video optical systems (ADALASAuto) TZA1026 PACKAGE OUTLINE SO14: plastic small outline package; 14 leads; body width 3.9 mm SOT108-1 D E A X c y HE v M A Z 8 14 Q A2 A (A 3) A1 pin 1 index θ Lp 1 L 7 e 0 detail X w M bp 2.5 5 mm scale DIMENSIONS (inch dimensions are derived from the original mm dimensions) UNIT A max. A1 A2 A3 bp c D (1) E (1) e HE L Lp Q v w y Z (1) mm 1.75 0.25 0.10 1.45 1.25 0.25 0.49 0.36 0.25 0.19 8.75 8.55 4.0 3.8 1.27 6.2 5.8 1.05 1.0 0.4 0.7 0.6 0.25 0.25 0.1 0.7 0.3 0.010 0.057 0.004 0.049 0.01 0.019 0.0100 0.35 0.014 0.0075 0.34 0.16 0.15 0.050 0.028 0.024 0.01 0.01 0.004 0.028 0.012 inches 0.069 0.244 0.039 0.041 0.228 0.016 θ Note 1. Plastic or metal protrusions of 0.15 mm maximum per side are not included. REFERENCES OUTLINE VERSION IEC JEDEC SOT108-1 076E06S MS-012AB 1998 Oct 30 EIAJ EUROPEAN PROJECTION ISSUE DATE 95-01-23 97-05-22 14 o 8 0o Philips Semiconductors Product specification Data amplifier and laser supply circuit for CD audio and video optical systems (ADALASAuto) TZA1026 SOLDERING Wave soldering Introduction Wave soldering techniques can be used for all SO packages if the following conditions are observed: There is no soldering method that is ideal for all IC packages. Wave soldering is often preferred when through-hole and surface mounted components are mixed on one printed-circuit board. However, wave soldering is not always suitable for surface mounted ICs, or for printed-circuits with high population densities. In these situations reflow soldering is often used. • A double-wave (a turbulent wave with high upward pressure followed by a smooth laminar wave) soldering technique should be used. • The longitudinal axis of the package footprint must be parallel to the solder flow. • The package footprint must incorporate solder thieves at the downstream end. This text gives a very brief insight to a complex technology. A more in-depth account of soldering ICs can be found in our “Data Handbook IC26; Integrated Circuit Packages” (order code 9398 652 90011). During placement and before soldering, the package must be fixed with a droplet of adhesive. The adhesive can be applied by screen printing, pin transfer or syringe dispensing. The package can be soldered after the adhesive is cured. Reflow soldering Reflow soldering techniques are suitable for all SO packages. Maximum permissible solder temperature is 260 °C, and maximum duration of package immersion in solder is 10 seconds, if cooled to less than 150 °C within 6 seconds. Typical dwell time is 4 seconds at 250 °C. Reflow soldering requires solder paste (a suspension of fine solder particles, flux and binding agent) to be applied to the printed-circuit board by screen printing, stencilling or pressure-syringe dispensing before package placement. A mildly-activated flux will eliminate the need for removal of corrosive residues in most applications. Several techniques exist for reflowing; for example, thermal conduction by heated belt. Dwell times vary between 50 and 300 seconds depending on heating method. Typical reflow temperatures range from 215 to 250 °C. Repairing soldered joints Fix the component by first soldering two diagonallyopposite end leads. Use only a low voltage soldering iron (less than 24 V) applied to the flat part of the lead. Contact time must be limited to 10 seconds at up to 300 °C. When using a dedicated tool, all other leads can be soldered in one operation within 2 to 5 seconds between 270 and 320 °C. Preheating is necessary to dry the paste and evaporate the binding agent. Preheating duration: 45 minutes at 45 °C. 1998 Oct 30 15 Philips Semiconductors Product specification Data amplifier and laser supply circuit for CD audio and video optical systems (ADALASAuto) TZA1026 DEFINITIONS Data sheet status Objective specification This data sheet contains target or goal specifications for product development. Preliminary specification This data sheet contains preliminary data; supplementary data may be published later. Product specification This data sheet contains final product specifications. Limiting values Limiting values given are in accordance with the Absolute Maximum Rating System (IEC 134). Stress above one or more of the limiting values may cause permanent damage to the device. These are stress ratings only and operation of the device at these or at any other conditions above those given in the Characteristics sections of the specification is not implied. Exposure to limiting values for extended periods may affect device reliability. Application information Where application information is given, it is advisory and does not form part of the specification. LIFE SUPPORT APPLICATIONS These products are not designed for use in life support appliances, devices, or systems where malfunction of these products can reasonably be expected to result in personal injury. Philips customers using or selling these products for use in such applications do so at their own risk and agree to fully indemnify Philips for any damages resulting from such improper use or sale. 1998 Oct 30 16 Philips Semiconductors Product specification Data amplifier and laser supply circuit for CD audio and video optical systems (ADALASAuto) NOTES 1998 Oct 30 17 TZA1026 Philips Semiconductors Product specification Data amplifier and laser supply circuit for CD audio and video optical systems (ADALASAuto) NOTES 1998 Oct 30 18 TZA1026 Philips Semiconductors Product specification Data amplifier and laser supply circuit for CD audio and video optical systems (ADALASAuto) NOTES 1998 Oct 30 19 TZA1026 Philips Semiconductors – a worldwide company Argentina: see South America Australia: 34 Waterloo Road, NORTH RYDE, NSW 2113, Tel. +61 2 9805 4455, Fax. +61 2 9805 4466 Austria: Computerstr. 6, A-1101 WIEN, P.O. Box 213, Tel. +43 160 1010, Fax. +43 160 101 1210 Belarus: Hotel Minsk Business Center, Bld. 3, r. 1211, Volodarski Str. 6, 220050 MINSK, Tel. +375 172 200 733, Fax. +375 172 200 773 Belgium: see The Netherlands Brazil: see South America Bulgaria: Philips Bulgaria Ltd., Energoproject, 15th floor, 51 James Bourchier Blvd., 1407 SOFIA, Tel. +359 2 689 211, Fax. +359 2 689 102 Canada: PHILIPS SEMICONDUCTORS/COMPONENTS, Tel. +1 800 234 7381 China/Hong Kong: 501 Hong Kong Industrial Technology Centre, 72 Tat Chee Avenue, Kowloon Tong, HONG KONG, Tel. +852 2319 7888, Fax. +852 2319 7700 Colombia: see South America Czech Republic: see Austria Denmark: Prags Boulevard 80, PB 1919, DK-2300 COPENHAGEN S, Tel. +45 32 88 2636, Fax. +45 31 57 0044 Finland: Sinikalliontie 3, FIN-02630 ESPOO, Tel. +358 9 615800, Fax. +358 9 61580920 France: 51 Rue Carnot, BP317, 92156 SURESNES Cedex, Tel. +33 1 40 99 6161, Fax. +33 1 40 99 6427 Germany: Hammerbrookstraße 69, D-20097 HAMBURG, Tel. +49 40 23 53 60, Fax. +49 40 23 536 300 Greece: No. 15, 25th March Street, GR 17778 TAVROS/ATHENS, Tel. +30 1 4894 339/239, Fax. +30 1 4814 240 Hungary: see Austria India: Philips INDIA Ltd, Band Box Building, 2nd floor, 254-D, Dr. Annie Besant Road, Worli, MUMBAI 400 025, Tel. +91 22 493 8541, Fax. +91 22 493 0966 Indonesia: PT Philips Development Corporation, Semiconductors Division, Gedung Philips, Jl. Buncit Raya Kav.99-100, JAKARTA 12510, Tel. +62 21 794 0040 ext. 2501, Fax. +62 21 794 0080 Ireland: Newstead, Clonskeagh, DUBLIN 14, Tel. +353 1 7640 000, Fax. +353 1 7640 200 Israel: RAPAC Electronics, 7 Kehilat Saloniki St, PO Box 18053, TEL AVIV 61180, Tel. +972 3 645 0444, Fax. +972 3 649 1007 Italy: PHILIPS SEMICONDUCTORS, Piazza IV Novembre 3, 20124 MILANO, Tel. +39 2 6752 2531, Fax. +39 2 6752 2557 Japan: Philips Bldg 13-37, Kohnan 2-chome, Minato-ku, TOKYO 108-8507, Tel. +81 3 3740 5130, Fax. +81 3 3740 5077 Korea: Philips House, 260-199 Itaewon-dong, Yongsan-ku, SEOUL, Tel. +82 2 709 1412, Fax. +82 2 709 1415 Malaysia: No. 76 Jalan Universiti, 46200 PETALING JAYA, SELANGOR, Tel. +60 3 750 5214, Fax. +60 3 757 4880 Mexico: 5900 Gateway East, Suite 200, EL PASO, TEXAS 79905, Tel. +9-5 800 234 7381 Middle East: see Italy Netherlands: Postbus 90050, 5600 PB EINDHOVEN, Bldg. VB, Tel. +31 40 27 82785, Fax. +31 40 27 88399 New Zealand: 2 Wagener Place, C.P.O. Box 1041, AUCKLAND, Tel. +64 9 849 4160, Fax. +64 9 849 7811 Norway: Box 1, Manglerud 0612, OSLO, Tel. +47 22 74 8000, Fax. +47 22 74 8341 Pakistan: see Singapore Philippines: Philips Semiconductors Philippines Inc., 106 Valero St. Salcedo Village, P.O. Box 2108 MCC, MAKATI, Metro MANILA, Tel. +63 2 816 6380, Fax. +63 2 817 3474 Poland: Ul. Lukiska 10, PL 04-123 WARSZAWA, Tel. +48 22 612 2831, Fax. +48 22 612 2327 Portugal: see Spain Romania: see Italy Russia: Philips Russia, Ul. Usatcheva 35A, 119048 MOSCOW, Tel. +7 095 755 6918, Fax. +7 095 755 6919 Singapore: Lorong 1, Toa Payoh, SINGAPORE 319762, Tel. +65 350 2538, Fax. +65 251 6500 Slovakia: see Austria Slovenia: see Italy South Africa: S.A. PHILIPS Pty Ltd., 195-215 Main Road Martindale, 2092 JOHANNESBURG, P.O. Box 7430 Johannesburg 2000, Tel. +27 11 470 5911, Fax. +27 11 470 5494 South America: Al. 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No. 5, 80640 GÜLTEPE/ISTANBUL, Tel. +90 212 279 2770, Fax. +90 212 282 6707 Ukraine: PHILIPS UKRAINE, 4 Patrice Lumumba str., Building B, Floor 7, 252042 KIEV, Tel. +380 44 264 2776, Fax. +380 44 268 0461 United Kingdom: Philips Semiconductors Ltd., 276 Bath Road, Hayes, MIDDLESEX UB3 5BX, Tel. +44 181 730 5000, Fax. +44 181 754 8421 United States: 811 East Arques Avenue, SUNNYVALE, CA 94088-3409, Tel. +1 800 234 7381 Uruguay: see South America Vietnam: see Singapore Yugoslavia: PHILIPS, Trg N. Pasica 5/v, 11000 BEOGRAD, Tel. +381 11 625 344, Fax.+381 11 635 777 For all other countries apply to: Philips Semiconductors, International Marketing & Sales Communications, Building BE-p, P.O. Box 218, 5600 MD EINDHOVEN, The Netherlands, Fax. +31 40 27 24825 Internet: http://www.semiconductors.philips.com © Philips Electronics N.V. 1998 SCA60 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. Printed in The Netherlands 545102/00/01/pp20 Date of release: 1998 Oct 30 Document order number: 9397 750 04252