TFA9879HN/N1,157 NXP Semiconductors, TFA9879HN/N1,157 Datasheet - Page 17

• 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
9.2.7 Muting
Figure 10
sample rate of 48 kHz and a corner frequency of 272 Hz.
Figure 11
sample rate of 48 kHz and a corner frequency of 1630 Hz.
The TFA9879 support two muting options, which are controlled via the I
Fig 10. Bass function in 2 dB steps; the treble control is set to flat
Fig 11. Treble function in 2 dB steps; the bass control is set to flat
•
•
Soft muting
Hard muting
dB
dB
−10
−20
−10
−20
20
10
20
10
V
V
shows the treble function for a range of attenuation and boost settings with a
shows the bass function for a range of attenuation and boost settings with a
0
0
DDP
DDP
10
10
= 3.7 V, 2 × 8 Ω BTL configuration, treble control = 0 dB, clip control on
= 3.7 V, 2 × 8 Ω BTL configuration, bass control = 0 dB, clip control on
All information provided in this document is subject to legal disclaimers.
Rev. 02 — 15 October 2010
10
10
2
2
Mono BTL class-D audio amplifier with digital input
10
10
3
3
10
10
4
4
f (Hz)
f (Hz)
010aaa650
010aaa649
TFA9879
© NXP B.V. 2010. All rights reserved.
2
C-bus interface:
10
10
5
5
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