TFA9812HN PHILIPS [NXP Semiconductors], TFA9812HN Datasheet - Page 48

• Manufacturer Part Number: TFA9812HN
• Description: BTL stereo Class-D audio amplifier with I2S input
• Manufacturer: PHILIPS [NXP Semiconductors]

NXP Semiconductors
Table 56.
Unless specified otherwise, V
f
[1]
[2]
Table 57.
V
unless otherwise specified.
TFA9812_2
Preliminary data sheet
Symbol
t
PWM output
t
t
t
R
Symbol
f
t
t
t
t
t
t
i
PD
r
f
w(min)
SCL
LOW
HIGH
r
f
HD;STA
SU;STA
DDD(3V3)
= 1 kHz, f
max
DSon
R
Output power measured across the loudspeaker load. This is based on indirect measurement of R
s
is the series resistance of inductor of low-pass LC filter in the application.
= V
s
Parameter
propagation delay
rise time
fall time
minimum pulse width
drain-source on-state resistance
maximum duty factor
AC characteristics
Characteristics I
= 44.1 kHz, f
DDA(3V3)
Parameter
SCL clock frequency
LOW period of the SCL clock
HIGH period of the SCL clock
rise time
fall time
hold time (repeated) START
condition
set-up time for a repeated START
condition
13.3 Timing
= 2.7 V to 3.6 V; V
sw
= 400 kHz, 24-bit I
DDA
2
C bus interface; see
…continued
= V
DDP
DDA
= 12 V, V
= V
2
S input data, MCLK clock mode, typical application diagram
DDP
Condition
f
I
I
I
per output MOSFET, for low and high
side
s
O
O
O
Rev. 02 — 22 January 2009
Conditions
SDA and SCL signals
SDA and SCL signals
=
DDA(3V3)
8 kHz
11.025 kHz
12 kHz
16 kHz
22.05 kHz
24 kHz
32 kHz
44.1 kHz
48 kHz
64 kHz
88.2 kHz
96 kHz
128 kHz
176.4 kHz
192 kHz
= 0 A
= 0 A
= 0 A
= 8 V to 20 V;T
Figure 10
= V
DDD(3V3)
BTL stereo Class-D audio amplifier with I
amb
= 3.3 V, T
= 20 C to +85 C; all voltages referenced to ground;
[1]
[1]
[2]
amb
Min
-
1.3
0.6
20 + 0.1 C
20 + 0.1 C
0.6
0.6
= 25 C, R
DSon
b
b
s
Min. Typ.
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
.
< 0.1
Typ
-
-
-
-
-
-
-
3.6
2.58
2.39
1.78
1.3
1.18
892
664
600
458
320
306
67.2
48
40.8
10
10
40
0.28
-
[1]
© NXP B.V. 2009. All rights reserved.
TFA9812
, R
Max
400
-
-
-
-
-
-
(Figure
L
Max. Unit
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
0.35
0.96
= 8 ,
2
13).
ms
ms
ms
ms
ms
ms
ns
ns
ns
-
S input
s
s
s
s
s
s
s
s
s
Unit
kHz
ns
ns
48 of 66
s
s
s
s