TFA9812HN/N1,518 NXP Semiconductors, TFA9812HN/N1,518 Datasheet - Page 51

• Manufacturer Part Number: TFA9812HN/N1,518
• Description: IC AMP AUDIO 15W STER D 48HVQFN
• Manufacturer: NXP Semiconductors
• Type: Class Dr

Specifications of TFA9812HN/N1,518

• Output Type: 2-Channel (Stereo)
• Max Output Power X Channels @ Load: 15W x 2 @ 8 Ohm
• Voltage - Supply: 8 V ~ 20 V
• Features: Depop, Digital Inputs, I²C, I²S, Mute, Short-Circuit and Thermal Protection, Volume Control
• Mounting Type: Surface Mount
• Package / Case: 48-VQFN Exposed Pad, 48-HVQFN, 48-SQFN, 48-DHVQFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 935282815518; TFA9812HN/N1-T; TFA9812HN/N1-T

NXP Semiconductors
TFA9812_2
Preliminary data sheet
14.3 Speaker configuration and impedance
14.4 Typical application schematics
Remark: A 4.8
used up to a supply voltage of 17 V without running into current limiting. Current limiting
(clipping) will avoid audio holes, but it causes a distortion comparable to voltage clipping.
For a flat-frequency response (second-order Butterworth filter) it is necessary to change
the low pass filter components L
impedance.
Table 58.
Impedance ( )
6
8
16
Filter component values
speaker (6
Rev. 02 — 22 January 2009
L
15
18
47
LC
speaker with 20 % spread) in BTL configuration can be
LC
( H)
and C
BTL stereo Class-D audio amplifier with I
LC
according to the speaker configuration and
C
680
560
330
LC
(nF)
© NXP B.V. 2009. All rights reserved.
TFA9812
2
S input
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