SA58670ABS datasheet(5/24 Pages) NXP

Part #	SA58670ABS

Description	2.1 W/channel stereo class-D audio amplifier

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Manufacturer	NXP [NXP Semiconductors]

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SA58670A_2

Product data sheet

Rev. 02 — 23 October 2008

5 of 24

NXP Semiconductors

SA58670A

2.1 W/channel stereo class-D audio ampliﬁer

8.

Static characteristics

[1]

VDD is the supply voltage on pins PVDD and pin AVDD.

GND is the ground supply voltage on pins PGND and pin AGND.

Table 4.

Static characteristics

Tamb =25 °C; unless otherwise speciﬁed[1].

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

VDD

supply voltage

operating

2.5

-

5.5

V

IDD

supply current

VDD = 2.5 V; no load

-

4

6

mA

VDD = 3.6 V; no load

-

5

7.5

mA

VDD = 5.5 V; no load

-

6

9

mA

IDD(sd)

shutdown mode supply current

no input signal;

VSDR =VSDL = GND

-

10

1000

nA

PSRR

power supply rejection ratio

VDD = 2.5 V to 5.5 V

-

−75

−55

dB

Vi(cm)

common-mode input voltage

0.5

-

VDD − 0.8

V

CMRR

common mode rejection ratio

inputs are shorted together;

VDD = 2.5 V to 5.5 V

-

−69

−50

dB

VIH

HIGH-level input voltage

VDD = 2.5 V to 5.5 V;

pins SDL, SDR, G0, G1

1.3

-

VDD

V

VIL

LOW-level input voltage

VDD = 2.5 V to 5.5 V;

pins SDL, SDR, G0, G1

0

-

0.35

V

IIH

HIGH-level input current

VDD = 5.5 V; VI =VDD

--50

µA

IIL

LOW-level input current

VDD = 5.5 V; VI = 0 V

--5

µA

fsw

switching frequency

VDD = 2.5 V to 5.5 V

250

300

350

kHz

Gv(cl)

closed-loop voltage gain

VG0 = VG1 = 0.35 V

5.5

6

6.5

dB

VG0 = VDD; VG1 = 0.35 V

11.5

12

12.5

dB

VG0 = 0.35 V; VG1 = VDD

17.5

18

18.5

dB

VG0 = VG1 = VDD

23.5

24

24.5

dB

Pins OUTLP, OUTLN, OUTRP and OUTRN

RDSon

drain-source on-state resistance

VDD = 2.5 V

-

700

-

m

Ω

VDD = 3.6 V

-

570

-

m

Ω

VDD = 5.5 V

-

500

-

m

Ω

|VO(offset)| output offset voltage

measured differentially; inputs

AC grounded; Gv(cl) = 6 dB;

VDD = 2.5 V to 5.5 V

-

5

10

mV

Zo(sd)

shutdown mode output impedance VSDR = VSDL = 0.35 V

-

2

-

k

Ω

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