TFA9879HN/N1,157 NXP Semiconductors, TFA9879HN/N1,157 Datasheet - Page 47

• 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
Fig 18. Typical application (simplified)
PROCESSOR
PROCESSOR
MULTIMEDIA
BASEBAND
I
I
2
2
S output
S output
15.5 Typical application diagram (simplified)
address select 1
address select 2
1.8 V
SDA
CVDDD
SCL
100 nF
All information provided in this document is subject to legal disclaimers.
ADSEL1
ADSEL2
LRCK1
LRCK2
GNDD
SCK1
SCK2
V
SDI1
SDI2
SDA
SCL
DDD
Rev. 02 — 15 October 2010
22
21
20
19
18
17
2
1
16
4
23
24
3
TFA8979HN
Mono BTL class-D audio amplifier with digital input
5
6, 14
15
10
11
12
13
7
8
9
V
V
OUTA
OUTB
GNDP
GNDP
STABA
DDP
DDP
CSTABA
100 nF
battery
CVDDP
10 μF
TFA9879
© NXP B.V. 2010. All rights reserved.
010aaa545
4 Ω or 8 Ω
speaker
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