TFA9810T NXP Semiconductors, TFA9810T Datasheet - Page 29

• Manufacturer Part Number: TFA9810T
• Description: Audio Amplifiers 2X15W BTL POWER COMPARATOR
• Manufacturer: NXP Semiconductors

Specifications of TFA9810T

• Product: Class-D
• Output Power: 15 W
• Available Set Gain: 19.7 dB
• Thd Plus Noise: 0.04 %
• Operating Supply Voltage: 12 V
• Maximum Power Dissipation: 2500 mW
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Audio Load Resistance: 8 Ohms
• Input Bias Current (max): 1 uA
• Input Signal Type: Differential
• Minimum Operating Temperature: - 40 C
• Output Signal Type: Differential
• Supply Type: Single
• Supply Voltage (max): 20 V
• Supply Voltage (min): 8 V
• Output Type: 2-Channel Stereo
• Package / Case: SOIC-32
• Operational Class: Class-D
• Audio Amplifier Output Configuration: 2-Channel Stereo
• Output Power (typ): 15x2@8OhmW
• Audio Amplifier Function: Speaker
• Total Harmonic Distortion: 0.04@8Ohm@1W%
• Single Supply Voltage (typ): 12V
• Dual Supply Voltage (typ): Not RequiredV
• Power Supply Requirement: Single
• Power Dissipation: 2.5W
• Rail/rail I/o Type: No
• Single Supply Voltage (min): 8V
• Single Supply Voltage (max): 20V
• Dual Supply Voltage (min): Not RequiredV
• Dual Supply Voltage (max): Not RequiredV
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 32
• Package Type: SO
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: TFA9810T/N1,112

NXP Semiconductors
20. Contents
1
2
3
4
5
6
7
7.1
7.2
8
8.1
8.2
8.3
8.3.1
8.3.2
8.4
8.5
8.6
9
10
11
12
12.1
12.2
12.3
13
14
14.1
14.2
14.3
14.4
14.5
14.6
14.7
14.8
14.9
15
16
17
18
18.1
18.2
18.3
General description . . . . . . . . . . . . . . . . . . . . . . 1
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Quick reference data . . . . . . . . . . . . . . . . . . . . . 1
Ordering information . . . . . . . . . . . . . . . . . . . . . 2
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Pinning information . . . . . . . . . . . . . . . . . . . . . . 4
Functional description . . . . . . . . . . . . . . . . . . . 5
Internal circuitry. . . . . . . . . . . . . . . . . . . . . . . . . 8
Limiting values. . . . . . . . . . . . . . . . . . . . . . . . . 14
Thermal characteristics. . . . . . . . . . . . . . . . . . 15
Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . 15
Quality specification . . . . . . . . . . . . . . . . . . . . 18
Application information. . . . . . . . . . . . . . . . . . 18
Test information . . . . . . . . . . . . . . . . . . . . . . . . 25
Package outline . . . . . . . . . . . . . . . . . . . . . . . . 26
Revision history . . . . . . . . . . . . . . . . . . . . . . . . 27
Legal information. . . . . . . . . . . . . . . . . . . . . . . 28
Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 4
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Interfacing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Input comparators. . . . . . . . . . . . . . . . . . . . . . . 6
Operating in self-oscillating configuration . . . . . 6
Operating in open-loop configuration . . . . . . . . 6
Diagnostic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Protections . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Start-up sequence . . . . . . . . . . . . . . . . . . . . . . 8
Static characteristics. . . . . . . . . . . . . . . . . . . . 15
Dynamic characteristics . . . . . . . . . . . . . . . . . 16
AC characteristics measured in a typical
application. . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Output power estimation. . . . . . . . . . . . . . . . . 18
Output current limiting. . . . . . . . . . . . . . . . . . . 19
Speaker configuration and impedance . . . . . . 20
Differential input . . . . . . . . . . . . . . . . . . . . . . . 20
Single-ended input . . . . . . . . . . . . . . . . . . . . . 20
Curves measured in a typical application . . . . 21
Typical application diagram TFA9810 . . . . . . . 22
Typical application: bill of materials. . . . . . . . . 25
Snubber network. . . . . . . . . . . . . . . . . . . . . . . 25
Data sheet status . . . . . . . . . . . . . . . . . . . . . . 28
Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Disclaimers . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
18.4
19
20
Please be aware that important notices concerning this document and the product(s)
described herein, have been included in section ‘Legal information’.
© NXP B.V. 2008.
For more information, please visit: http://www.nxp.com
For sales office addresses, please send an email to: [e-mail]
Contact information . . . . . . . . . . . . . . . . . . . . 28
Contents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Trademarks . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Audio amplifier 2 x 12 W
Date of release: 20 February 2008
Document identifier: TFA9810_3
TFA9810
All rights reserved.