TFA9881_1104 PHILIPS [NXP Semiconductors], TFA9881_1104 Datasheet - Page 15

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

NXP Semiconductors
12. Characteristics
Table 16.
All parameters are guaranteed for V
T
[1]
TFA9881
Product data sheet
Symbol
V
V
I
I
Series resistance output power switches
R
Amplifier output pins; pins OUTA and OUTB
|V
DATA, CLK and LRSEL
V
V
C
Protection
T
V
V
I
DDP
DDD
O(ocp)
amb
act(th_prot)
DDP
DDD
IH
IL
P(ovp)
P(uvp)
DSon
i
O(offset)
R
= 25
L
= load resistance; L
|
°
C; default settings, unless otherwise specified.
DC characteristics
Parameter
power supply voltage
digital supply voltage
power supply current
digital supply current
drain-source on-state resistance
output offset voltage
HIGH-level input voltage
LOW-level input voltage
input capacitance
thermal protection activation temperature
overvoltage protection supply voltage
undervoltage protection supply voltage
overcurrent protection output current
12.1 DC characteristics
L
= load inductance.
TEST
= V
All information provided in this document is subject to legal disclaimers.
DDP
= 3.6 V; V
Rev. 2 — 1 April 2011
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
DPSA off
absolute value
DDD
-
f
bandwidth extension on
-
f
bandwidth extension on
-
f
bandwidth extension on
clk
clk
clk
= 2.048 MHz
= 2.048 MHz
= 2.048 MHz
= 1.8 V; R
DDP
DDD
L
= 4
3.4 W PDM input class-D audio amplifier
Ω
[1]
; L
L
= 20
Min
2.5
1.65
-
-
-
-
-
-
-
-
-
-
0.7V
-
-
130
5.5
2.3
1.45
μ
DDD
H
[1]
; f
Typ
-
1.8
1.5
1.38
1.35
0.83
1.25
0.78
2
125
-
-
-
-
-
-
i
1.1
0.1
-
-
= 1 kHz; f
TFA9881
© NXP B.V. 2011. All rights reserved.
Max
5.5
1.95
1.7
-
1.2
1
1.5
-
1.4
-
8
150
3
3.6
0.3V
3
150
6.0
2.5
-
clk
= 6.144 MHz;
DDD
15 of 32
Unit
V
V
mA
mA
mA
μA
mA
mA
mA
mA
μA
mΩ
mV
V
V
pF
°C
V
V
A