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SA58670 Datasheet(PDF) 5 Page - NXP Semiconductors

Part # SA58670
Description  2.1 W/channel stereo class-D audio amplifier
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Manufacturer  NXP [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo NXP - NXP Semiconductors

SA58670 Datasheet(HTML) 5 Page - NXP Semiconductors

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SA58670_1
© NXP B.V. 2008. All rights reserved.
Product data sheet
Rev. 01 — 4 January 2008
5 of 25
NXP Semiconductors
SA58670
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
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
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
VDD = 3.6 V
-
570
-
m
VDD = 5.5 V
-
500
-
m
|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
Pins SDL and SDR
VI
input voltage
channel on
-
0.5VDD
-V
channel off
GND
-
0.4
V
II
input current
no input signal; channel off
-
10
1000
nA


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