Datasheet TDA7294 (STMicroelectronics) - 6

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TDA7294 Electrical characteristics 5 Electrical characteristics
Refer to the test circuit VS = ± 35 V, RL = 8 Ω, GV = 30 dB; Rg = 50 Ω; Tamb = 25 °C, f = 1 kHz; unless otherwise specified.
Table 3. Electrical characteristics Symbol Parameter Test condition Min. Typ. Max. Unit
VS Supply range 10 40 V Iq Quiescent current 20 30 65 mA Ib Input bias current 500 nA VOS Input offset voltage ±10 mV IOS Input offset current ±100 nA d = 0.5%: V 60 70 W S = ± 35 V, RL = 8 Ω RMS continuous output power V 60 70 W S= ± 31 V, RL = 6 Ω 60 70 W VS = ± 27 V, RL = 4 Ω PO d = 10% Music Power (RMS) R 100 W L = 8 Ω; VS = ± 38 V 100 W IEC268.3 RULES - ∆t = 1 s (1) RL = 6 ; VS = ± 33 V 100 W RL = 4 Ω; VS = ± 29 V (2) PO = 5 W; f = 1 kHz 0.005 % PO = 0.1 to 50 W; f = 20 Hz to 20 kHz 0.1 % d Total harmonic distortion (3) VS = ± 27 V, RL = 4 Ω P % O = 5 W; f = 1 kHz 0.01 % PO = 0.1 to 50 W; f = 20 Hz to 20 kHz 0.1 SR Slew rate 7 10 V/μs Open loop voltage gain 80 dB GV Closed loop voltage gain 24 30 40 dB A = curve 1 eN Total input noise μV f = 20 Hz to 20 kHz 2 5 fL, fH Frequency response (-3 dB) PO = 1 W 20 Hz to 20 kHz Ri Input resistance 100 kΩ SVR Supply voltage rejection f = 100 Hz; Vripple = 0.5 Vrms 60 75 dB TS Thermal shutdown 145 °C
Stand-by function (Ref: -VS or GND)
VST on Stand-by on threshold 1.5 V VST off Stand-by off threshold 3.5 V ATTst-by Stand-by attenuation 70 90 dB Iq st-by Quiescent current @ Stand-by 1 3 mA
Mute function (Ref: -VS or GND) DS0013
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Rev 8 page 6/31
Document Outline Features Description 1 Typical application 2 Pin connection 3 Block diagram 4 Maximum ratings 5 Electrical characteristics 6 PCB and components 7 Application suggestion 8 Typical characteristics 9 Introduction 9.1 Output stage 9.2 Protections 9.3 Other features 10 Application information 11 Bridge application 12 Package information 12.1 Multiwatt15 V package information 12.2 Multiwatt15 H package information Revision history