INTEGRATED CIRCUITS DATA SHEET TDA1522 Stereo cassette head preamplifier and equalizer Product specification File under Integrated Circuits, IC01 1996 Feb 26 Philips Semiconductors Product specification Stereo cassette head preamplifier and equalizer TDA1522 FEATURES GENERAL DESCRIPTION • Two independent amplifiers with open-loop gain of 90 dB (typical) The TDA1522 is a playback amplifier for car radio/cassette players. • Internal DC feedback via 140 kΩ resistor from output to feedback point • AC characteristics that can be determined externally by an RC network • Electronic on/off switching with transient suppression for switch on • Head input at DC ground that eliminates the input coupling capacitor • Minimum external component requirement • Stability down to a gain of 30 dB • Low input noise • Low distortion • DC input current <2 µA • Wide supply voltage range. QUICK REFERENCE DATA SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT VP supply voltage (pin 8) 7.5 − 23 V IP supply current (pin 8) − 5 − mA Tamb operating ambient temperature −30 − +85 °C THD total harmonic distortion αcs channel separation RS = 10 kΩ; LS = 0 − 0.05 − % 45 − − dB ORDERING INFORMATION TYPE NUMBER TDA1522 1996 Feb 26 PACKAGE NAME SIL9MP DESCRIPTION plastic single in-line medium power package; 9 leads 2 VERSION SOT142-1 Philips Semiconductors Product specification Stereo cassette head preamplifier and equalizer TDA1522 BLOCK DIAGRAM handbook, full pagewidth C102 220 µF R102 R101 C101 8.2 Ω 5.6 kΩ 22 nF TDA1522 feedback 1 140 kΩ R fb1 3 4 R S1 = 300 Ω L S1 = 80 mH Vi1 MUTE L S2 = 80 mH AMP 1 output 1 10 µF 5 Vo1 R L1 4.7 kΩ 2 R S2 = 300 Ω Vi2 C c1 1 SUPPLY & MUTE 8 C c2 6 7 9 AMP 2 output 2 10 µF R fb2 Vo2 R L2 4.7 kΩ feedback 2 140 kΩ C202 220 µF R202 R201 C201 8.2 Ω 5.6 kΩ 22 nF VP MLD337 Fig.1 Block diagram with external components; also used as test circuit. 1996 Feb 26 3 Philips Semiconductors Product specification Stereo cassette head preamplifier and equalizer TDA1522 PINNING SYMBOL PIN DESCRIPTION Vo1 1 output voltage 1 MUTE 2 mute input FB1 3 feedback 1 Vi1 4 input voltage 1 FB1 3 GND 5 ground V i1 Vi2 6 input voltage 2 FB2 7 feedback 2 VP 8 power supply Vo2 9 output voltage 2 handbook, halfpage V o1 1 MUTE 2 4 GND 5 V i2 6 FB2 7 VP 8 V o2 9 TDA1522 MGC396 Fig.2 Pin configuration. 1996 Feb 26 4 Philips Semiconductors Product specification Stereo cassette head preamplifier and equalizer TDA1522 LIMITING VALUES In accordance with the Absolute Maximum Rating System (IEC 134); note 1. SYMBOL PARAMETER MIN. MAX. UNIT VP supply voltage (pin 8) 7.5 23 V Ifb feedback current (pins 3 and 7) − 10 mA Ptot total power dissipation − 800 mW Tamb operating ambient temperature −30 +85 °C Tstg storage temperature −55 +150 °C Note 1. All pins except 3 and 7 (feedback) can be connected to VP (pin 8) or ground (pin 5). CHARACTERISTICS VP = 8.5 V; Tamb = 25 °C; see test circuit Fig.1; unless otherwise specified. SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT Supply (pin 8) VP supply voltage 7.5 − 23 V IP supply current − 5 − mA µV Inputs (pins 4 or 6) Vni(rms) unweighted noise input voltage (RMS value) f = 20 Hz to 20 kHz; measured in Fig.3 − 1.6 − Vni noise input voltage RS = 0; f = 1 kHz; measured in Fig.3; see also Fig.5 − 5 − Ini noise input current f = 1 kHz; measured in Fig.3; see also Fig.6 − 1.2 − I4, I6 DC input current at pins 4 and 6 − − −2 µA Zi input impedance f = 1 kHz; note 1 200 − − kΩ Vi = 0.3 mV; f = 315 Hz − 0.72 − V THD = 1%; f = 1 kHz 1.0 − − V V2-5 ≥ 7.5 V; mute off −5 −10 − mA − 3.7 − V RS = 300 Ω; LS = 80 mH − 700 − µV RS = 300 Ω; LS = 80 mH − 1200 − µV nV -----------Hz pA -----------Hz Outputs (pins 1 or 9); see Fig.7 Vo output voltage IO output source current VO DC output voltage Vno(rms) weighted noise output voltage; DIN A (RMS value) Vno weighted noise output voltage CCITT (peak value) RS = 300 Ω; LS = 80 mH − 1600 − µV Vno unweighted noise output voltage; DIN 45405 (peak value) RS = 300 Ω; LS = 80 mH − 1800 − µV Zo output impedance f = 1 kHz; note 1 − − 1 kΩ CCIR (peak value) 1996 Feb 26 5 Philips Semiconductors Product specification Stereo cassette head preamplifier and equalizer SYMBOL TDA1522 PARAMETER CONDITIONS MIN. TYP. MAX. UNIT Mute on/off (pin 2); see Fig.4 Vmute(on) mute on voltage mute switch closed 0 − 1 V Imute(on) mute on current mute switch closed or V2-5 = 0 V − 2.7 − µA Vmute(off) mute off voltage mute switch open 7.5 − VP V Rfb internal feedback resistor note 1 100 140 180 kΩ Gv open-loop voltage gain f = 315 Hz; note 1 − 90 − dB General αcs channel separation RS = 10 kΩ; LS = 0; note 2 45 − − dB PSRR power supply ripple rejection VP(rms) = 0.1 V; f = 100 Hz; note 3 90 95 − dB THD total harmonic distortion f = 1 kHz; Vo = 0.3 V; note 4 − 0.05 − % Notes 1. Applies to each amplifier. 2. Frequency range 300 Hz to 20 kHz. 3. Referred to the input. 4. Measured selective. handbook, full pagewidth C102 1000 µF R102 R101 C101 8.2 Ω 9.1 kΩ 10 µF TDA1522 feedback 1 140 kΩ R fb1 3 4 Vi1 C c1 1 AMP 1 output 1 10 µF 5 R S1 4.7 kΩ 4.7 kΩ R L1 4.7 kΩ 2 R S2 Vi2 SUPPLY & MUTE 8 C c2 6 7 9 AMP 2 output 2 10 µF R fb2 R202 R201 C201 8.2 Ω 9.1 kΩ 10 µF VP MLD338 Fig.3 Test circuit for noise measurement. 1996 Feb 26 6 Vo2 R L2 4.7 kΩ feedback 2 140 kΩ C202 1000 µF Vo1 Philips Semiconductors Product specification Stereo cassette head preamplifier and equalizer TDA1522 MLD339 0 handbook, halfpage Vo (dB) 20 40 60 80 100 0 Fig.4 2 4 V2 5 (V) 6 Muting depth as a function of control voltage at pin 2. MLD340 2 10full handbook, pagewidth Vni (nV/ Hz) (1) (2) 10 (3) 1 10 10 2 10 3 10 4 (1) RS = 10 kΩ. (2) RS = 5 kΩ. (3) RS = 0. Fig.5 Noise input voltage as a function of frequency. 1996 Feb 26 7 f (Hz) 10 5 Philips Semiconductors Product specification Stereo cassette head preamplifier and equalizer TDA1522 MLD341 handbook,10 full pagewidth Ini (pA/ Hz) 1 10 1 10 10 2 10 3 10 4 f (Hz) 10 5 Fig.6 Noise input current as a function of frequency. MLD342 20 handbook, full pagewidth gf g 315 Hz (dB) 10 0 10 20 30 10 10 2 10 3 10 4 Fig.7 Frequency response curve for the circuit in Fig.1. 1996 Feb 26 8 f (Hz) 10 5 Philips Semiconductors Product specification Stereo cassette head preamplifier and equalizer TDA1522 PRINTED-CIRCUIT BOARD 58 handbook, full pagewidth RM1 Vo2 RL2 CC2 R201 D201 R202 C201 Vi2 VP RS2 SM CVP1 IC1 C202 45 C102 RS1 MUTE RL1 Vo1 RM CC1 Vi1 CM C101 R102 D101 R101 MGC995 Fig.8 Printed-circuit board component side, showing component layout of Fig.1 and/or Fig.10. 1996 Feb 26 9 Philips Semiconductors Product specification Stereo cassette head preamplifier and equalizer TDA1522 APPLICATION INFORMATION handbook, full pagewidth C102 220 µF R102 R101 C101 8.2 Ω 5.6 kΩ 22 nF TDA1522 feedback 1 140 kΩ R fb1 3 4 Vi1 Vi2 R S1 = 300 Ω L S1 = 80 mH Rm MUTE SWITCH AMP 1 output 1 10 µF 5 R L1 2 SUPPLY & MUTE 8 C c2 6 7 9 AMP 2 150 kΩ output 2 10 µF R fb2 1 µF R202 R201 C201 8.2 Ω 5.6 kΩ 22 nF Fig.9 Simple mute application. 1996 Feb 26 10 VP Vo2 R L2 4.7 kΩ feedback 2 140 kΩ C202 220 µF Vo1 4.7 kΩ R S2 = 300 Ω L S2 = 80 mH C c1 1 MLD343 Philips Semiconductors Product specification Stereo cassette head preamplifier and equalizer TDA1522 1N4148 handbook, full pagewidth C102 220 µF R102 R101 C101 8.2 Ω 5.6 kΩ 22 nF TDA1522 feedback 1 140 kΩ R fb1 3 4 Vi1 Vi2 R S1 = 300 Ω L S1 = 80 mH MUTE SWITCH 10 µF 8 C c2 6 9 AMP 2 output 2 10 µF R fb2 R201 C201 8.2 Ω 5.6 kΩ 22 nF 1N4148 Fig.10 Application for plop-free muting. 11 Vo2 R L2 4.7 kΩ feedback 2 140 kΩ VP 1996 Feb 26 Vo1 R L1 SUPPLY & MUTE R202 C202 220 µF output 1 4.7 kΩ 2 7 68 kΩ 68 2.2 kΩ µF AMP 1 5 R S2 = 300 Ω L S2 = 80 mH C c1 1 MLD344 Philips Semiconductors Product specification Stereo cassette head preamplifier and equalizer TDA1522 PACKAGE OUTLINE SIL9MP: handbook, full plastic pagewidth single in-line medium power package; 9 leads SOT142-1 D A2 D1 A3 seating plane E A pin 1 index c L 1 9 b e Z b2 Q w M b1 0 5 10 mm scale DIMENSIONS (mm are the original dimensions) UNIT A A2 max. A3 b b1 b2 c D (1) D1 E (1) e L Q w Z (1) max. mm 12 11 3.7 1.8 1.4 1.40 1.14 0.67 0.50 1.40 1.14 0.48 0.38 21.8 21.4 21.4 20.7 6.48 6.20 2.54 3.9 3.4 1.75 1.55 0.25 1.0 Note 1. Plastic or metal protrusions of 0.25 mm maximum per side are not included. OUTLINE VERSION REFERENCES IEC JEDEC EIAJ ISSUE DATE 92-11-17 95-02-09 SOT142-1 1996 Feb 26 EUROPEAN PROJECTION 12 Philips Semiconductors Product specification Stereo cassette head preamplifier and equalizer TDA1522 The device may be mounted up to the seating plane, but the temperature of the plastic body must not exceed the specified maximum storage temperature (Tstg max). If the printed-circuit board has been pre-heated, forced cooling may be necessary immediately after soldering to keep the temperature within the permissible limit. SOLDERING Introduction 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. Repairing soldered joints Apply a low voltage soldering iron (less than 24 V) to the lead(s) of the package, below the seating plane or not more than 2 mm above it. If the temperature of the soldering iron bit is less than 300 °C it may remain in contact for up to 10 seconds. If the bit temperature is between 300 and 400 °C, contact may be up to 5 seconds. This text gives a very brief insight to a complex technology. A more in-depth account of soldering ICs can be found in our “IC Package Databook” (order code 9398 652 90011). Soldering by dipping or by wave The maximum permissible temperature of the solder is 260 °C; solder at this temperature must not be in contact with the joint for more than 5 seconds. The total contact time of successive solder waves must not exceed 5 seconds. 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. 1996 Feb 26 13 Philips Semiconductors Product specification Stereo cassette head preamplifier and equalizer TDA1522 NOTES 1996 Feb 26 14 Philips Semiconductors Product specification Stereo cassette head preamplifier and equalizer TDA1522 NOTES 1996 Feb 26 15 Philips Semiconductors – a worldwide company Argentina: IEROD, Av. Juramento 1992 - 14.b, (1428) BUENOS AIRES, Tel. 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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 517021/1100/01/pp16 Document order number: Date of release: 1996 Feb 26 9397 750 00693