TDA1566 NXP Semiconductors, TDA1566 Datasheet - Page 10

• Manufacturer Part Number: TDA1566
• Description: The TDA1566 is a car audio power amplifier with a complementary output stage realizedin BCDMOS
• Manufacturer: NXP Semiconductors

NXP Semiconductors
TDA1566_2
Product data sheet
6.1.5 Mute speed setting
6.1.6 Pins with double functions
6.2.1 DC load detection
6.2 Load identification (I
In I
is selected with IB2[D2].
See
mode transitions where slow and fast mute are applied. The operation modes are
described in
Table 10.
Table 11.
[1]
The default setting IB1[D1] = 0 disables DC load detection. When the DC load detection is
enabled with IB1[D1] = 1, an offset is slowly applied at the output of the amplifiers at the
beginning of the start-up cycle. The DC load is measured and compared with R
R
R
The relation between R
be between 1.2 k and 4 k ):
Mode transition
Mute to operating
Operating to mute
Operating to standby
Operating to off
Pin
PROG
ADS1
ADS2
EN
Fig 7. DC load detection limits (R
trip2
trip2
2
C-bus mode the amplifier can be muted slow (20 ms) or fast (0.1 ms). The mute speed
TH version only.
Section 6.4.2
to distinguish between an amplifier load, line driver load or open load. R
are set with resistor R
[1]
Mute speed setting
Pins with double functions
Section
0
for the definition of the instruction bytes.
6.1.1,
amplifier load
Rev. 02 — 20 August 2007
PROG
2
Table
PROG
C-bus mode only)
, R
I
2
25
I
slow mute
IB2[D2] = 0: slow mute
IB2[D2] = 1: fast mute
slow mute
fast mute
I
load detection reference
current programming, see
Section 6.2.1
I
see
I
see
chip enable, see
C-bus controlled dual channel/single channel amplifier
2
2
2
2
trip1
C-bus mode
C-bus mode
C-bus address select bit 1,
C-bus address select bit 2,
(1 %) connected between the PROG pin and GND.
5.
Section 6.4.1
Section 6.4.1
PROG
R
and R
trip1
= 1500 /1 %)
100
trip2
line driver load
and
is approximated by (valid for R
Section 6.1.1
6.2.2
500
R
trip2
Table 10
Non-I
slow mute
slow mute
n.a.
fast mute
Non-I
gain select, see
non-I
Section 6.1.1
balanced/unbalanced input,
see
mode select, see
5 k
open load
Section 3
2
2
2
C-bus mode select, see
C-bus mode
C-bus mode
001aad010
lists the operation
TDA1566
© NXP B.V. 2007. All rights reserved.
Section 6.1.2
PROG
Section 6.1.1
trip1
trip1
and
should
10 of 46
and