SA58670A_2
© NXP B.V. 2008. All rights reserved.
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]
V
DD
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
T
amb
= 25
°
C; unless otherwise specified
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
V
DD
supply voltage
operating
2.5
-
5.5
V
I
DD
supply current
V
DD
= 2.5 V; no load
-
4
6
mA
V
DD
= 3.6 V; no load
-
5
7.5
mA
V
DD
= 5.5 V; no load
-
6
9
mA
I
DD(sd)
shutdown mode supply current
no input signal;
V
SDR
= V
SDL
= GND
-
10
1000
nA
PSRR
power supply rejection ratio
V
DD
= 2.5 V to 5.5 V
-
−
75
−
55
dB
V
i(cm)
common-mode input voltage
0.5
-
V
DD
−
0.8
V
CMRR
common mode rejection ratio
inputs are shorted together;
V
DD
= 2.5 V to 5.5 V
-
−
69
−
50
dB
V
IH
HIGH-level input voltage
V
DD
= 2.5 V to 5.5 V;
pins SDL, SDR, G0, G1
1.3
-
V
DD
V
V
IL
LOW-level input voltage
V
DD
= 2.5 V to 5.5 V;
pins SDL, SDR, G0, G1
0
-
0.35
V
I
IH
HIGH-level input current
V
DD
= 5.5 V; V
I
= V
DD
-
-
50
µ
A
I
IL
LOW-level input current
V
DD
= 5.5 V; V
I
= 0 V
-
-
5
µ
A
f
sw
switching frequency
V
DD
= 2.5 V to 5.5 V
250
300
350
kHz
G
v(cl)
closed-loop voltage gain
V
G0
= V
G1
= 0.35 V
5.5
6
6.5
dB
V
G0
= V
DD
; V
G1
= 0.35 V
11.5
12
12.5
dB
V
G0
= 0.35 V; V
G1
= V
DD
17.5
18
18.5
dB
V
G0
= V
G1
= V
DD
23.5
24
24.5
dB
Pins OUTLP, OUTLN, OUTRP and OUTRN
R
DSon
drain-source on-state resistance
V
DD
= 2.5 V
-
700
-
m
Ω
V
DD
= 3.6 V
-
570
-
m
Ω
V
DD
= 5.5 V
-
500
-
m
Ω
|
V
O(offset)
|
output offset voltage
measured differentially; inputs
AC grounded; G
v(cl)
= 6 dB;
V
DD
= 2.5 V to 5.5 V
-
5
10
mV
Z
o(sd)
shutdown mode output impedance V
SDR
= V
SDL
= 0.35 V
-
2
-
k
Ω