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TDA1526 Datasheet(PDF) 6 Page - NXP Semiconductors |
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TDA1526 Datasheet(HTML) 6 Page - NXP Semiconductors |
6 / 14 page May 1992 6 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 Ω; RL ≥ 4.7 kΩ; CL ≤ 200 pF; f = 1 kHz; unless otherwise specified PARAMETER SYMBOL MIN. TYP. MAX. UNIT Control range Maximum gain of volume (Fig.4) Gv max 20.5 21.5 23 dB Volume control range; Gv max/Gv min ∆G v 90 100 − dB Balance control range; Gv = 0 dB (Fig.5) ∆G v −−40 − dB Bass control range at 40 Hz (Fig.6) ∆G v − −19 to + 17 ± 3dB Treble control range at 16 kHz (Fig.7) ∆G v −± 15 ± 3 − dB Contour characteristics see Figs 9 and 10 Signal inputs, outputs Input resistance; pins 4 and 15 (note 1) at gain of volume control: Gv = 20 dB Ri4, 15 10 −− k Ω Gv = −40 dB Ri4, 15 − 160 − k Ω Output resistance (pins 8 and 11) Ro8, 11 −− 300 Ω Signal processing Power supply ripple rejection at VP(rms) ≤ 200 mV; f = 100 Hz; Gv = 0 dB RR 35 50 − dB Channel separation (250 Hz to 10 kHz) at Gv = −20 to + 21.5 dB α cs 46 60 − dB Spread of volume control with constant control voltage V1-18 = 0.5 V17-18 ∆G v −−± 3dB Gain tolerance between left and right channel V16-18 = V1-18 = 0.5 V17-18 ∆G v, L-R −− 1.5 dB Tracking between channels for Gv = 21.5 to −26 dB f = 250 Hz to 6.3 kHz; balance adjusted at Gv = 10 dB ∆G v −− 2.5 dB Signal handling with DC feedback Input signal handling at VP = 8.5 V − 15 V; THD = 0.7%; f = 1 kHz (RMS value) Vi(rms) 1.8 2.0 − V Output signal handling (note 2 and note 3) at VP = 8.5 V; THD = 0.7%; f = 1 kHz (RMS value) Vo(rms) 1.8 2.0 − V 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 µV |
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