TFA9879HN/N1,157 NXP Semiconductors, TFA9879HN/N1,157 Datasheet - Page 41

• Manufacturer Part Number: TFA9879HN/N1,157
• Description: IC AMP AUDIO DGTL MONO D 24HVQFN
• Manufacturer: NXP Semiconductors
• Type: Class Dr

Specifications of TFA9879HN/N1,157

• Output Type: 1-Channel (Mono)
• Package / Case: 24-VFQFN Exposed Pad
• Max Output Power X Channels @ Load: 2.75W x 1 @ 4 Ohm
• Voltage - Supply: 2.5 V ~ 5.5 V
• Features: Depop, Digital Inputs, I²C, I²S, Mute, Short-Circuit and Thermal Protection, Tone and Volume Control
• Mounting Type: Surface Mount
• Product: Class-D
• Output Power: 2.75 W
• Thd Plus Noise: 0.02 %
• Operating Supply Voltage: 3.7 V
• Supply Current: 5.7 mA
• Mounting Style: SMD/SMT
• Audio - Load Impedance: 4 Ohms, 8 Ohms
• Audio Load Resistance: 4 Ohms, 8 Ohms
• Input Signal Type: Serial
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 2.5 V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

NXP Semiconductors
Table 39.
All parameters are guaranteed for V
unless otherwise specified.
[1]
[2]
TFA9879
Product data sheet
Symbol
f
t
t
t
t
t
t
t
t
t
t
t
C
SCL
LOW
HIGH
r
f
HD;STA
SU;STA
SU;STO
BUF
SU;DAT
HD;DAT
SP
b
C
After this period, the first clock pulse is generated.
b
is the total capacitance of one bus line in pF. The maximum capacitive load for each bus line is 400 pF.
I
2
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
set-up time for STOP condition
bus free time between a STOP and
START condition
data set-up time
data hold time
pulse width of spikes that must be
suppressed by the input filter
capacitive load for each bus line
C-bus interface characteristics; see
14.3 I
2
Fig 14. I
C timing characteristics
SDA
SCL
DDP
2
C timing
P
= 3.7 V, R
t
BUF
All information provided in this document is subject to legal disclaimers.
S
Rev. 02 — 15 October 2010
Conditions
SDA and SCL signals
SDA and SCL signals
L
t
t
LOW
HD;STA
= 8
Figure 14
Ω
, L
t
HD;DAT
t
L
r
= 44
Mono BTL class-D audio amplifier with digital input
μ
H; f
t
HIGH
i
= 1 kHz; f
[1]
[1]
[2]
t
f
t
SU;DAT
Min
-
20 + 0.1 C
20 + 0.1 C
0.6
0.6
1.3
100
0
0
1.3
0.6
0.6
-
s
= 48 kHz; clip control off; T
t
SU;STA
Sr
b
b
t
HD;STA
Typ
-
-
-
-
-
-
-
-
-
-
-
-
-
t
TFA9879
© NXP B.V. 2010. All rights reserved.
SU;STO
t
SP
Max
400
-
-
-
-
-
-
-
-
-
-
50
400
amb
010aaa225
= 25
P
Unit
kHz
μs
μs
ns
ns
μs
μs
μs
μs
ns
μs
ns
pF
41 of 60
°
C