TDA8594 NXP Semiconductors, TDA8594 Datasheet - Page 30

• Manufacturer Part Number: TDA8594
• Description: The TDA8594 is a complementary quad Bridge Tied Load (BTL) audio power amplifiermade in BCDMOS technology
• Manufacturer: NXP Semiconductors

NXP Semiconductors
Table 17.
Refer to
Tested at T
TDA8594_2
Product data sheet
Symbol
f
R
Diagnostic
V
V
THD
T
T
Z
Z
I
SCL
th(o)det(load)AC
THD
j(AV)(pwarn)
j(AV)(G( 0.5dB))
T
T
G
th(load)
th(open)
OL(DIAG)
O(offset_det)
ADSEL
j(pw-G( 0.5dB))
j(G( 0.5dB)-of)
(th_fold)
clip
clip
Figure 29
amb
Characteristics
= 25 C; guaranteed for T
Parameter
SCL clock frequency
resistance on pin ADSEL
LOW-level output voltage on
pin DIAG
output voltage at offset
detection
total harmonic distortion clip
detection level
total harmonic distortion clip
detection level variation
pre-warning average junction
temperature
average junction temperature
for 0.5 dB gain reduction
prewarning to 0.5 dB gain
reduction junction
temperature difference
junction temperature
difference between 0.5 dB
gain reduction and off
gain reduction of thermal
foldback
load detection threshold
impedance
open load detection threshold
impedance
AC load detection output
threshold current
at V
P
= V
P1
…continued
= V
P2
= 14.4 V; R
amb
= 40 C to +105 C.
L
Rev. 02 — 11 December 2007
Conditions
I
A[6:0] = 110 1100
I
A[6:0] = 110 1101
I
A[6:0] = 110 1111
legacy mode
fault condition; I
IB2[D7:D6] = 10
IB2[D7:D6] = 01
IB2[D7:D6] = 00
no overlap between IB2[D7:D6] =
10 and IB2[D7:D6] = 01
no overlap between IB2[D7:D6] =
01 and IB2[D7:D6] = 00
IB3[D4] = 0
IB3[D4] = 1
V
from thermal foldback to when all
outputs are switched off
all channels switched off
I
I
I
= 4 ; f = 1 kHz; R
2
2
2
2
2
2
C-bus address
C-bus address
C-bus address
i
C-bus mode
C-bus mode
C-bus mode
normal load detection
line driver load detection
AC load bit is set
AC load bit is not set
= 0.05 V
DIAG
S
= 1 mA
= 0 ; normal mode; unless otherwise specified.
I
2
C-bus controlled 4
Min
-
155
42
7
-
-
5
3
1
1
1
135
112
150
7
10
-
-
100
5000
460
-
1.5
Typ
400
-
51
10
-
-
10
5
2
4
3.5
145
122
155
10
15
20
-
-
-
-
-
50 W power amplifier
1.75
TDA8594
© NXP B.V. 2007. All rights reserved.
Max
-
-
57
15
0.5
0.3
18
9
3
9
6
155
132
160
13
20
-
20
800
-
-
230
2.2
Unit
kHz
k
k
k
k
V
V
%
%
%
%
%
dB
mA
mA
30 of 48
C
C
C
C
C