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SA58631 Datasheet(PDF) 6 Page - NXP Semiconductors |
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SA58631 Datasheet(HTML) 6 Page - NXP Semiconductors |
6 / 21 page SA58631_2 © NXP B.V. 2007. All rights reserved. Product data sheet Rev. 02 — 12 October 2007 6 of 21 NXP Semiconductors SA58631 3 W BTL audio amplifier 11. Static characteristics [1] With a load connected at the outputs the quiescent current will increase, the maximum of this increase being equal to the DC output offset voltage divided by RL. [2] The DC output voltage with respect to ground is approximately 0.5 × V CC. 12. Dynamic characteristics [1] Gain of the amplifier is 2 × (R2 / R1) in test circuit of Figure 3. [2] The noise output voltage is measured at the output in a frequency range from 20 Hz to 20 kHz (unweighted), with a source impedance of RS =0 Ω at the input. [3] Supply voltage ripple rejection is measured at the output with a source impedance of Rs =0 Ω at the input. The ripple voltage is a sine wave with a frequency of 1 kHz and an amplitude of 100 mV (RMS), which is applied to the positive supply rail. [4] Supply voltage ripple rejection is measured at the output, with a source impedance of Rs =0 Ω at the input. The ripple voltage is a sine wave with a frequency between 100 Hz and 20 kHz and an amplitude of 100 mV (RMS), which is applied to the positive supply rail. [5] Output voltage in mute position is measured with an input voltage of 1 V (RMS) in a bandwidth of 20 kHz, which includes noise. Table 6. Static characteristics VCC =5V; Tamb =25 °C; RL =8 Ω; VMODE = 0 V; measured in test circuit Figure 3; unless otherwise specified. Symbol Parameter Conditions Min Typ Max Unit VCC supply voltage operating 2.2 9 18 V Iq quiescent current RL = ∞Ω [1] - 8 12 mA Istb standby current VMODE =VCC --10 µA VO output voltage [2] - 2.2 - V ∆VO(offset) differential output voltage offset - - 50 mV IIB(IN+) input bias current on pin IN+ - - 500 nA IIB(IN−) input bias current on pin IN − - - 500 nA VMODE voltage on pin MODE operating 0 - 0.5 V mute 1.5 - VCC − 1.5 V standby VCC − 0.5 - VCC V IMODE current on pin MODE 0 V < VMODE <VCC --20 µA Table 7. Dynamic characteristics VCC =5V; Tamb =25 °C; RL =8 Ω; f = 1 kHz; VMODE = 0 V; measured in test circuit Figure 3; unless otherwise specified. Symbol Parameter Conditions Min Typ Max Unit Po output power THD+N = 10 % 1 1.2 - W THD+N = 0.5 % 0.6 0.9 - W THD+N = 10 %; VCC =9V - 3.0 - W THD+N total harmonic distortion-plus-noise Po = 0.5 W - 0.15 0.3 % Gv(cl) closed-loop voltage gain [1] 6 - 30 dB ∆Zi differential input impedance - 100 - k Ω Vn(o) noise output voltage [2] - - 100 µV PSRR power supply rejection ratio [3] 50 --dB [4] 40 --dB Vo output voltage mute condition [5] - - 200 µV |
Similar Part No. - SA58631_15 |
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Similar Description - SA58631_15 |
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