sta339bw STMicroelectronics, sta339bw Datasheet - Page 16

• Manufacturer Part Number: sta339bw
• Description: 2.1-channel High-efficiency Digital Audio System
• Manufacturer: STMicroelectronics

Electrical specifications
3.5
Table 7.
16/77
Po
R
gP
gN
Idss
I
I
t
t
V
I
I
I
I
UVL
t
DR
SNR
PSSR
LDT
HDT
r
f
vcc
vdd
lim
sc
min
Symbol
CC
dsON
Output power BTL
Output power SE
Power Pchannel/Nchannel MOSFET (total
bridge)
Power Pchannel RdsON matching
Power Nchannel RdsON matching
Power Pchannel/Nchannel leakage
Low current dead time (static)
High current dead time (dynamic)
Rise time
Fall time
Supply voltage operating voltage
Supply current from V
Supply current from V
Supply current FFX processing (reference
only)
Overcurrent limit
Undervoltage protection
Output minimum pulse width
Dynamic range
Signal to noise ratio, ternary mode
Signal to noise ratio binary mode
Power supply rejection ratio
Short circuit protection
Electrical specifications for the power section
The specifications given in this section are valid for the operating conditions: V
f = 1 kHz, f
Electrical specifications - power section
sw
Parameter
= 384 kHz, T
CC
CC
in power down
in operation
amb
= 25° C and R
Doc ID 15251 Rev 4
THD = 1%
THD = 10%
THD = 1%
THD = 10%
l
l
l
V
Resistive load
I
Resistive load
Resistive load
-
PWRDN = 0
PCM Input signal = -
60 dBfs,
Switching frequency
= 384 kHz,
No LC filters
Internal clock =
49.152 MHz
(2)
Hi-Z output
-
No load
-
A-weighted
-
FFX stereo mode,
<5 kHz
V
Audio input =
dither only
d
d
d
load
CC
RIPPLE
= 1.5 A
= 1.5 A
= 1.5 A
= 1.5 A
Conditions
= 20 V
L
= 1 V RMS
= 8 Ω, unless otherwise specified.
(1)
(1)
(1)
(1)
-
-
-
-
-
95
95
-
-
-
-
-
5
-
-
-
3.0
3.8
-
20
-
-
-
-
Min
16
20
4
5
180
-
-
-
8
15
10
10
-
0.1
52
55
3.8
4.8
3.5
30
100
100
90
80
Typ
-
-
-
-
250
-
-
10
15
30
18
18
26
1
60
70
4.0
-
4.3
60
-
-
-
-
Max
CC
STA339BW
= 18 V,
W
W
mΩ
%
%
µA
ns
ns
ns
ns
V
mA
mA
mA
A
A
V
ns
dB
dB
dB
dB
Unit