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| INTEGRATED CIRCUITS DATA SHEET TDA1526 Stereo-tone/volume control circuit Product specification File under Integrated Circuits, IC01 May 1992 Philips Semiconductors Product specification Stereo-tone/volume control circuit GENERAL DESCRIPTION The device is designed as an active stereo-tone/volume control for car radios, TV receivers and mains-fed equipment. It includes functions for bass and treble control, volume control with built-in contour (can be switched off) and balance. All these functions can be controlled by DC voltages or by single linear potentiometers. QUICK REFERENCE DATA PARAMETER Supply voltage (pin 3) Supply current (pin 3) Signal handling with DC feedback Input signal handling (RMS value) Output signal handling (RMS value) Control range Maximum gain of volume Volume control range Balance control range Bass control range Treble control range Total harmonic distortion Noise performance Output noise voltage (unweighted) at f = 20 Hz to 20 kHz for Gv = -16 dB Signal processing Channel separation at Gv = -20 to 21.5 dB Tracking between channels for Gv = 21.5 to -26 dB Ripple rejection Operating ambient temperature range For explanation of notes see Notes to the characteristics. PACKAGE OUTLINE: 18-lead DIL; plastic (SOT102); SOT102-1; 1996 August 06. VP(rms) = 200 mV; f = 100 Hz; Gv = 0 dB RR Tamb 35 -30 50 - f = 250 Hz to 10 kHz f = 250 Hz to 6.3 kHz; balance at Gv = 10 dB Gv - - cs 46 60 RMS value; note 4 note 5 Vno(rms) - 100 VP = 12 V see Fig.4 Gv max/Gv min Gv = 0 dB; see Fig.5 at 40 Hz; see Fig.6 at 16 kHz; see Fig.7 Gv max Gv Gv Gv Gv THD 20.5 90 - - - - 21.5 100 -40 -19 to +17 3 15 3 - notes 2 and 3 VP = 12 V VP = 8.5 to 15 V; THD = 0.7%; f = 1 kHz Vi(rms) Vo(rms) 1.8 1.8 2.0 2.0 CONDITIONS SYMBOL VP IP MIN. 7.5 25 TYP. 12 35 Features * Few external components necessary * Low noise due to internal gain TDA1526 * Bass emphasis can be increased by a double-pole low-pass filter * Wide power supply voltage range. MAX. 16.5 45 UNIT V mA - - V V 23 - - - - 0.5 dB dB dB dB dB % 200 V - dB 2.5 - + 85 dB dB C May 1992 2 May 1992 Philips Semiconductors Stereo-tone/volume control circuit 3 Product specification (1) Series resistor is recommended in the event of the capacitive loads exceeding 200 pF. TDA1526 Fig.1 Block diagram and application circuit with single-pole filter. Philips Semiconductors Product specification Stereo-tone/volume control circuit TDA1526 Fig.2 Double-pole low-pass filter for improved bass-boost. RATINGS Limiting values in accordance with the Absolute Maximum System (IEC 134) PARAMETER Supply voltage (pin 3) Total power dissipation Storage temperature range Operating ambient temperature range SYMBOL VP Ptot Tstg Tamb - - -55 -30 MIN. MAX. 20 1200 + 150 + 80 UNIT V mW C C May 1992 4 Philips Semiconductors Product specification Stereo-tone/volume control circuit TDA1526 DC CHARACTERISTICS VP = V3-18 = 12 V; Tamb = 25 C; measured in Fig.1; RG 600 ; RL 4.7 k; CL 200 pF; unless otherwise specified PARAMETER Supply (pin 3) Supply voltage Supply current at VP = 8.5 V at VP = 12 V at VP = 15 V DC input levels (pins 4 and 15) at VP = 8.5 V at VP = 12 V at VP = 15 V DC output levels (pins 8 and 11) under all control voltage conditions with DC feedback at VP = 8.5 V at VP = 12 V at VP = 15 V Pin 17 Internal potentiometer supply voltage at VP = 8.5 V Contour on/off switch (control by I17) contour (switch open) linear (switch closed) Application without internal potentiometer supply voltage at VP 10.8 V (contour cannot be switched off) Voltage range forced to pin 17 DC control voltage range for volume, bass, treble and balance (pins 1, 9, 10 and 16 respectively) at V17-18 = 5 V using internal supply Input current of control inputs (pins 1, 9, 10 and 16) -I1,9,10,16 - - 5 A V1,9,10,16 V1,9,10,16 1.0 0.25 - - 4.25 3.8 V V V17-18 4.5 - VP/2-VBE V -I17 -I17 - 1.5 - - 0.5 10 mA mA V17-18 3.5 3.75 4.0 V V8, 11-18 V8, 11-18 V8, 11-18 3.3 4.6 5.7 4.25 6.0 7.5 5.2 7.4 9.3 V V V V4, 15-18 V4, 15-18 V4, 15-18 3.8 5.3 6.5 4.25 5.9 7.3 4.7 6.6 8.2 V V V IP = I3 IP = I3 IP = I3 19 25 30 27 35 43 35 45 56 mA mA mA VP = V3-18 7.5 - 16.5 V SYMBOL MIN. TYP. MAX. UNIT May 1992 5 Philips Semiconductors Product specification Stereo-tone/volume control circuit TDA1526 AC CHARACTERISTICS VP = V3-18 = 8.5 V; Tamb = 25 C; measured in Fig.1; contour switch closed (linear position); volume, balance, bass, and treble controls in mid-position; RG 600 ; RL 4.7 k; CL 200 pF; f = 1 kHz; unless otherwise specified PARAMETER Control range Maximum gain of volume (Fig.4) Volume control range; Gv max/Gv min Balance control range; Gv = 0 dB (Fig.5) Bass control range at 40 Hz (Fig.6) Treble control range at 16 kHz (Fig.7) Contour characteristics Signal inputs, outputs Input resistance; pins 4 and 15 (note 1) at gain of volume control: Gv = 20 dB Gv = -40 dB Output resistance (pins 8 and 11) Signal processing Power supply ripple rejection at VP(rms) 200 mV; f = 100 Hz; Gv = 0 dB Channel separation (250 Hz to 10 kHz) at Gv = -20 to + 21.5 dB Spread of volume control with constant control voltage V1-18 = 0.5 V17-18 Gain tolerance between left and right channel V16-18 = V1-18 = 0.5 V17-18 Tracking between channels for Gv = 21.5 to -26 dB f = 250 Hz to 6.3 kHz; balance adjusted at Gv = 10 dB Signal handling with DC feedback Input signal handling at VP = 8.5 V - 15 V; THD = 0.7%; f = 1 kHz (RMS value) Output signal handling (note 2 and note 3) at VP = 8.5 V; THD = 0.7%; f = 1 kHz (RMS value) Noise performance (VP = 12 V) Output noise voltage (unweighted; Fig.14) at f = 20 Hz to 20 kHz (RMS value; note 4) for Gv = -16 dB (note 5) Vno(rms) - 100 200 V Vo(rms) 1.8 2.0 - V Vi(rms) 1.8 2.0 - V Gv - - 2.5 dB Gv, L-R - - 1.5 dB Gv - - 3 dB cs 46 60 - dB RR 35 50 - dB Ri4, 15 Ri4, 15 Ro8, 11 10 - - - 160 - - - 300 k k Gv max Gv Gv Gv Gv 20.5 90 - - - 21.5 100 -40 15 3 23 - - - dB dB dB dB dB SYMBOL MIN. TYP. MAX. UNIT -19 to + 17 3 see Figs 9 and 10 May 1992 6 Philips Semiconductors Product specification Stereo-tone/volume control circuit Notes to the characteristics 1. Equation for input resistance (see also Fig.3) 160 k R i = ------------------- ; G v max = 12. 1 + Gv TDA1526 2. Frequencies below 200 Hz and above 5 kHz have reduced voltage swing, the reduction at 40 Hz and 16 kHz is 30%. 3. In the event of bass boosting the output signal handling is reduced. The reduction is 1 dB for maximum bass boost. 4. For peak values add 4.5 dB to RMS values. 5. Linear frequency response. Fig.3 Input resistance (Ri) as a function of gain of volume control (Gv). Measured in Fig.1. May 1992 7 Philips Semiconductors Product specification Stereo-tone/volume control circuit TDA1526 Fig.4 Volume control curve; voltage gain (Gv) as a function of control voltage (V1-18). Measured in Fig.1 (internal potentiometer supply from pin 17 used); VP = 8.5 V; f = 1 kHz. Fig.5 Balance control curve; voltage gain (Gv) as a function of control voltage (V16-18). Measured in Fig.1 (internal potentiometer supply from pin 17 used); VP = 8.5 V. Fig.6 Bass control curve; voltage gain (Gv) as a function of control voltage (V9-18). Measured in Fig.1 with single-pole filter (internal potentiometer supply from pin 17 used); VP = 8.5 V; f = 40 Hz. Fig.7 Treble control curve; voltage gain (Gv) as a function of control voltage (V10-18). Measured in Fig.1 (internal potentiometer supply from pin 17 used); VP = 8.5 V; f = 16 kHz. May 1992 8 Philips Semiconductors Product specification Stereo-tone/volume control circuit TDA1526 Fig.8 Contour frequency response curves; voltage gain (Gv) as a function of audio input frequency. Measured in Fig.1 with single-pole filter; VP = 8.5 V. Fig.9 Contour frequency response curves; voltage gain (Gv) as a function of audio input frequency. Measured in Fig.1 with double-pole filter; VP = 8.5 V. May 1992 9 Philips Semiconductors Product specification Stereo-tone/volume control circuit TDA1526 Fig.10 Tone control frequency response curves; voltage gain (Gv) as a function of audio input frequency. Measured in Fig.1 with single-pole filter; VP = 8.5 V. Fig.11 Tone control frequency response curves; voltage gain (Gv) as a function of audio input frequency. Measured in Fig.1 with double-pole filter; VP = 8.5 V. May 1992 10 Philips Semiconductors Product specification Stereo-tone/volume control circuit TDA1526 Fig.12 Total harmonic distortion (THD); as a function of audio input frequency. Measured in Fig.1; VP = 8.5 V; volume control voltage gain at Vo G v = 20 log ------- = 0dB Vi Fig.13 Total harmonic distortion (THD); as a function of output voltage (Vo). Measured in Fig.1; VP = 8.5 V; fi = 1 kHz. May 1992 11 Philips Semiconductors Product specification Stereo-tone/volume control circuit TDA1526 Fig.14 Noise output voltage (Vno(rms); unweighted); as a function of voltage gain (Gv). Measured in Fig.1; VP = 15 V; f = 20 Hz to 20 kHz. May 1992 12 Philips Semiconductors Product specification Stereo-tone/volume control circuit PACKAGE OUTLINE DIP18: plastic dual in-line package; 18 leads (300 mil) TDA1526 SOT102-1 D seating plane ME A2 A L A1 c Z e b1 b 18 10 b2 MH wM (e 1) pin 1 index E 1 9 0 5 scale 10 mm DIMENSIONS (inch dimensions are derived from the original mm dimensions) UNIT mm inches A max. 4.7 0.19 A1 min. 0.51 0.020 A2 max. 3.7 0.15 b 1.40 1.14 0.055 0.044 b1 0.53 0.38 0.021 0.015 b2 1.40 1.14 0.055 0.044 c 0.32 0.23 0.013 0.009 D (1) 21.8 21.4 0.86 0.84 E (1) 6.48 6.20 0.26 0.24 e 2.54 0.10 e1 7.62 0.30 L 3.9 3.4 0.15 0.13 ME 8.25 7.80 0.32 0.31 MH 9.5 8.3 0.37 0.33 w 0.254 0.01 Z (1) max. 0.85 0.033 Note 1. Plastic or metal protrusions of 0.25 mm maximum per side are not included. OUTLINE VERSION SOT102-1 REFERENCES IEC JEDEC EIAJ EUROPEAN PROJECTION ISSUE DATE 93-10-14 95-01-23 May 1992 13 Philips Semiconductors Product specification Stereo-tone/volume control circuit 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. 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 Preliminary specification Product specification Limiting values TDA1526 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. 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 data sheet contains target or goal specifications for product development. This data sheet contains preliminary data; supplementary data may be published later. This data sheet contains final product specifications. 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. May 1992 14 |
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