TFA9879HN/N1,157 NXP Semiconductors, TFA9879HN/N1,157 Datasheet - Page 49

• 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 20. Total harmonic distortion-plus-noise as a function of frequency
THD+N
THD+N
(%)
(%)
10
10
10
(1) P
(2) P
10
10
10
(1) P
(2) P
a. V
c. V
10
10
10
10
−1
−2
−3
−1
−2
−3
1
1
2
2
10
10
o
o
o
o
DDP
DDP
= 100 mW
= 500 mW
= 100 mW
= 500 mW
= 3.7 V, R
= 3.7 V, R
10
10
2
(1)
(2)
2
(2)
(1)
L
L
= 8 Ω
= 4 Ω
10
10
3
3
10
10
4
4
All information provided in this document is subject to legal disclaimers.
010aaa679
010aaa681
f (Hz)
f (Hz)
Rev. 02 — 15 October 2010
10
10
5
5
Mono BTL class-D audio amplifier with digital input
THD+N
THD+N
(%)
(%)
10
10
10
(1) P
(2) P
10
10
10
(1) P
(2) P
b. V
d. V
10
10
10
10
−1
−2
−3
−1
−2
−3
1
1
2
2
10
10
o
o
o
o
DDP
DDP
= 100 mW
= 500 mW
= 100 mW
= 1 W
= 5 V, R
= 5 V, R
10
10
(1)
(2)
2
2
(1)
(2)
L
L
= 8 Ω
= 4 Ω
10
10
3
3
10
10
TFA9879
© NXP B.V. 2010. All rights reserved.
4
4
010aaa680
010aaa682
f (Hz)
f (Hz)
10
10
5
5
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