TFA9879HN/N1,157 NXP Semiconductors, TFA9879HN/N1,157 Datasheet - Page 15

• 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
TFA9879
Product data sheet
Table 8.
Word
word1
word1
word1
word2
word2
word2
word2
word2
Fig 7.
Fig 8.
(dB)
G
12
Transfer functions for selected values of Q, the quality factor
Transfer functions for selected values of f
8
4
0
Equalizer control word construction
10
All information provided in this document is subject to legal disclaimers.
Section
15
[14:4]
[3:0]
15
[14:11]
[10:8]
[7:1]
0
(dB)
Rev. 02 — 15 October 2010
G
12
8
4
0
10
10
Q1 = 0.27
Q2 = 0.61
Q3 = 1.65
2
10
Mono BTL class-D audio amplifier with digital input
2
Data
t
11 mantissa bits of k
four exponent bits of k
t
four mantissa bits of k
three exponent bits of k
k
s
1
2
0
’
10
10
3
3
c
, the center frequency
10
4
1
’
2
010aaa222
1
f (Hz)
’
’
2
’
10
10
4
5
f (Hz)
010aaa223
TFA9879
© NXP B.V. 2010. All rights reserved.
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5
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