TFA9879HN/N1,157 NXP Semiconductors, TFA9879HN/N1,157 Datasheet - Page 38

• 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
13. Thermal characteristics
Table 36.
[1]
[2]
TFA9879
Product data sheet
Symbol
R
Ψ
Ψ
R
th(j-a)
th(j-c)
j-lead
j-top
Measured on a JEDEC high K-factor test board (standard EIA/JESD 51-7).
Value depends on where measurement is taken on package.
Thermal characteristics
Parameter
thermal resistance from junction to ambient
thermal characterization parameter from
junction to lead
thermal characterization parameter from
junction to top of package
thermal resistance from junction to case
All information provided in this document is subject to legal disclaimers.
Rev. 02 — 15 October 2010
Conditions
in free air with natural convection
in free air with natural convection
Mono BTL class-D audio amplifier with digital input
JEDEC test board
2-layer application board
[1]
[2]
TFA9879
© NXP B.V. 2010. All rights reserved.
Typ
49
67
23
6
5
Unit
K/W
K/W
K/W
K/W
K/W
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