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TDA7285D Datasheet(PDF) 3 Page - STMicroelectronics |
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TDA7285D Datasheet(HTML) 3 Page - STMicroelectronics |
3 / 11 page ELECTRICAL CHARACTERISTICS (VS = 3V; RL =32 Ω, Vol. Control = 2/3 Vref (pin 20);Tamb =25°C; f = 1KHz; unless otherwise specified Symbol Parameter Test Condition Min. Typ. Max. Unit VS Supply Range 1.8 6 V Id Total Quiescent Drain Current 15 22 mA PLAYBACK AMPLIFIER Gvo Open Loop Gain 70 dB Gv Close Loop Gain 33 dB VO Output Voltage THD = 1% 600 750 mV THD Total Harmonic Distortion VO = 330mVrms 0.05 0.25 % Ib Bias Current 3 µA Ct Cross Talk RS = 2.2K Ω;VO = 330mVrms 74 dB en Total Input Noise RS = 2.2K Ω; B = 22Hz to 22KHz 1.2 µV SVR1 Ripple Rejection RS = 2.2K Ω; Vr = 100mVrms f = 100Hz; CSVR = 100 µF 50 dB HEADPHONE DRIVER VDC Output DC Voltage 1.4 V PO Output Power THD = 10% 20 30 mW PO1 Transient Output Power THD = 10% RL =16 Ω 50 mW GV Close Loop Gain PO = 5mW 31 dB Volume Control range 66 75 dB THD Total Harmonic Distortion PO = 5mW 0.3 1 % Ct Cross Talk PO =5mW; RS = 10K Ω 50 dB SVR2 Ripple Rejection RS = 600 Ω; Vr = 100mV f = 100Hz; CSVR = 100 µF 47 dB MOTOR SPEED CONTROL Vref Motor Reference Voltage (pin 12) 0.18 0.20 0.22 V K Shunt Ratio Im = 100mA 45 50 55 - Vsat Residual Voltage Im = 100mA 0.13 0.30 V ∆ Vref Vref ⁄ ∆ VS Line Regulation Im = 100mA; VS = 1.8 to 6V 0.20 0.8 %/V ∆ K K ⁄ ∆ VS Voltage Characteristics of Shunt Ratio Im = 100mA; VS = 1.8 to 6V 0.80 3 %/V ∆ Vref Vref ⁄ ∆ Im Load Regulation Im = 30 to 200mA 0.015 0.08 %/mA ∆ K K ⁄ ∆ Im Current Characteristics of Shunt Ratio Im = 30 to 200mA 0.03 0.1 %/mA ∆ Vref Vref ⁄ ∆ Tamb Temperature Characteristics of Reference Voltage Im = 100mA Tamb = -20 to +60 °C 0.04 %/ °C ∆ K K ⁄ ∆ Tamb Temperature Characteristics of Shunt Ratio Im = 100mA Tamb = -20 to +60 °C 0.02 %/ °C TDA7285 3/11 |
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