NXP Semiconductors SA58670A User Manual download pdf (Page 6)

Product data sheet Rev. 02 — 23 October 2008 6 of 24

NXP Semiconductors

SA58670A

2.1 W/channel stereo class-D audio ampliﬁer

9. Dynamic characteristics

[1] V

is the supply voltage on pins PVDD and pin AVDD.

Table 5. Dynamic characteristics

amb

=25

C; R

Ω

; unless otherwise speciﬁed

[1]

Symbol Parameter Conditions Min Typ Max Unit

output power per channel; f = 1 kHz; THD+N = 10 %

=8Ω; V

= 3.6 V - 0.72 - W

=8Ω; V

= 5.0 V - 1.4 - W

=4Ω; V

= 5.0 V - 2.1 - W

THD+N total harmonic

distortion-plus-noise

= 5.0 V; G

v(cl)

= 6 dB; f=1kHz

= 0.5 W - 0.11 - %

= 1.0 W - 0.14 - %

SVRR supply voltage ripple

rejection

v(cl)

= 6 dB; f = 217 Hz

= 3.6 V - −73 - dB

= 5.0 V - −77 - dB

CMRR common mode rejection

ratio

= 5.0 V; G

v(cl)

= 6 dB; f = 217 Hz - −69 - dB

input impedance G

v(cl)

= 6 dB - 28.1 - kΩ

v(cl)

= 12 dB - 17.3 - kΩ

v(cl)

= 18 dB - 9.8 - kΩ

v(cl)

= 24 dB - 5.2 - kΩ

d(sd-startup)

delay time from

shutdown to start-up

= 3.6 V - 3.5 - ms

n(o)

output noise voltage V

= 3.6 V; f = 20 Hz to 20 kHz;

inputs are AC grounded

no weighting - 35 - µV

A weighting - 27 - µV

1 2 3 4 5 6 7 8 9 10 11 ... 23 24

SA58670A 1

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