|
TDA8594_15 Datasheet, PDF (30/49 Pages) NXP Semiconductors – I2C-bus controlled 4 50 W power amplifier | |||
|
◁ |
NXP Semiconductors
TDA8594
I2C-bus controlled 4 ï´ 50 W power amplifier
Table 17. Characteristics â¦continued
Refer to Figure 29 at VP = VP1 = VP2 = 14.4 V; RL = 4 ï; f = 1 kHz; RS = 0 ï; normal mode; unless otherwise specified.
Tested at Tamb = 25 ï°C; guaranteed for Tamb = ï40 ï°C to +105 ï°C.
Symbol
Parameter
Conditions
Min Typ Max Unit
fSCL
RADSEL
SCL clock frequency
resistance on pin ADSEL
I2C-bus address
A[6:0] = 110 1100
-
400 -
kHz
155 -
-
kï
I2C-bus address
A[6:0] = 110 1101
42
51
57
kï
I2C-bus address
A[6:0] = 110 1111
7
10
15
kï
legacy mode
-
-
0.5 kï
Diagnostic
VOL(DIAG)
LOW-level output voltage on fault condition; IDIAG = 1 mA
pin DIAG
-
-
0.3 V
VO(offset_det)
output voltage at offset
detection
ï±1.5 ï±1.75 ï±2.2 V
THDclip
total harmonic distortion clip IB2[D7:D6] = 10
detection level
IB2[D7:D6] = 01
5
10
18
%
3
5
9
%
IB2[D7:D6] = 00
1
2
3
%
ïTHDclip
total harmonic distortion clip no overlap between IB2[D7:D6] =
1
4
9
%
detection level variation
10 and IB2[D7:D6] = 01
no overlap between IB2[D7:D6] =
1
3.5 6
%
01 and IB2[D7:D6] = 00
Tj(AV)(pwarn)
pre-warning average junction IB3[D4] = 0
temperature
IB3[D4] = 1
135 145 155 ï°C
112 122 132 ï°C
Tj(AV)(G(ï0.5dB)) average junction temperature Vi = 0.05 V
for 0.5 dB gain reduction
150 155 160 ï°C
ïTj(pw-G(ï0.5dB))
prewarning to 0.5 dB gain
reduction junction
temperature difference
7
10
13
ï°C
ïTj(G(ï0.5dB)-of)
junction temperature
difference between 0.5 dB
gain reduction and off
from thermal foldback to when all
outputs are switched off
10
15
20
ï°C
ïG(th_fold)
gain reduction of thermal
foldback
all channels switched off
-
20
-
dB
Zth(load)
load detection threshold
impedance
I2C-bus mode
normal load detection
-
-
20
ï
line driver load detection
100 -
800 ï
Zth(open)
open load detection threshold I2C-bus mode
impedance
5000 -
-
ï
Ith(o)det(load)AC
AC load detection output
threshold current
I2C-bus mode
AC load bit is set
460 -
-
mA
AC load bit is not set
-
-
230 mA
TDA8594
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 5 â 11 June 2013
© NXP B.V. 2013. All rights reserved.
30 of 49
|
▷ |