TFA9881_1104 PHILIPS [NXP Semiconductors], TFA9881_1104 Datasheet - Page 2

• Manufacturer Part Number: TFA9881_1104
• Description: 3.4 W PDM input class-D audio amplifier
• Manufacturer: PHILIPS [NXP Semiconductors]

NXP Semiconductors
3. Applications
4. Quick reference data
TFA9881
Product data sheet
Table 1.
All parameters are guaranteed for V
f
[1]
Symbol Parameter
V
V
I
I
P
η
i
DDP
DDD
= 1 kHz; f
po
DDP
DDD
o(RMS)
Bandwidth extension to support low sampling frequencies
Clip control for smooth clipping
Mute mode
‘Pop noise' free at all mode transitions
Short power-up time: 2 ms
Short power-down time: 5 μs
1.8 V/3.3 V tolerant digital inputs
Low RF susceptibility
Insensitive to input clock jitter
Only two external components required
Mobile phones
PDAs
Portable gaming devices
Portable Navigation Devices (PND)
Notebooks/Netbooks
MP3 players/Portable media players
R
L
= load resistance; L
power supply voltage
digital supply voltage
power supply current
digital supply current
RMS output power
output power efficiency
clk
Quick reference data
= 6.144 MHz; T
All information provided in this document is subject to legal disclaimers.
L
= load inductance.
Rev. 2 — 1 April 2011
amb
= 25
TEST
Conditions
on pin V
on pin V
Operating mode with load
Mute mode
Power-down mode
Operating mode
Mute mode
Power-down mode
CLK = 0 V; DATA = 0 V
THD + N = 1 %
THD + N = 10 %
P
°
o(RMS)
C; default settings, unless otherwise specified.
V
V
V
= V
DDP
DDP
DDP
DDP
= 3.6 V, f
= 5.0 V, f
= 5.0 V, f
= 1.4 W
DDP
DDD
= 3.6 V; V
3.4 W PDM input class-D audio amplifier
i
i
i
= 100 Hz
= 100 Hz
= 100 Hz
DDD
= 1.8 V; R
Min
2.5
1.65
-
-
-
-
-
-
-
-
-
-
L
= 4
Typ
-
1.8
1.5
1.1
0.1
1.35
1.25
2
1.4
2.7
3.4
90
Ω
TFA9881
© NXP B.V. 2011. All rights reserved.
[1]
; L
L
Max
5.5
1.95
1.7
1.2
1
1.5
1.4
8
-
-
-
-
= 20
μ
H
2 of 32
Unit
V
V
mA
mA
μA
mA
mA
μA
W
W
W
%
[1]
;