TDA8933T NXP Semiconductors, TDA8933T Datasheet - Page 47

• Manufacturer Part Number: TDA8933T
• Description: Audio Amplifiers 2X10W BTL CLASS D AMP+VOLCTRL
• Manufacturer: NXP Semiconductors

Specifications of TDA8933T

• Product: Class-D
• Output Power: 32 W
• Available Set Gain: 36 dB
• Common Mode Rejection Ratio (min): 75 dB
• Thd Plus Noise: 0.011 %
• Operating Supply Voltage: 25 V
• Supply Current: 0.6 mA
• Maximum Power Dissipation: 5000 mW
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Audio Load Resistance: 16 Ohms
• Dual Supply Voltage: +/- 12.5 V
• Input Signal Type: Differential
• Minimum Operating Temperature: - 40 C
• Output Signal Type: Differential, Single
• Supply Type: Single or Dual
• Supply Voltage (max): 36 V
• Supply Voltage (min): 10 V
• Output Type: 1-Channel Mono or 2-Channel Stereo
• Package / Case: SOIC-32
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: TDA8933T/N1,112

NXP Semiconductors
19. Contents
1
2
3
4
5
6
7
7.1
7.2
8
8.1
8.2
8.3
8.4
8.4.1
8.4.2
8.4.3
8.4.4
8.4.5
8.5
8.6
8.7
9
10
11
12
13
14
14.1
14.2
14.3
14.4
14.5
14.6
14.7
14.8
14.9
14.10
14.11
15
16
17
17.1
17.2
General description . . . . . . . . . . . . . . . . . . . . . . 1
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Quick reference data . . . . . . . . . . . . . . . . . . . . . 2
Ordering information . . . . . . . . . . . . . . . . . . . . . 3
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Pinning information . . . . . . . . . . . . . . . . . . . . . . 5
Functional description . . . . . . . . . . . . . . . . . . . 6
Internal circuitry. . . . . . . . . . . . . . . . . . . . . . . . 14
Limiting values. . . . . . . . . . . . . . . . . . . . . . . . . 18
Thermal characteristics. . . . . . . . . . . . . . . . . . 18
Static characteristics. . . . . . . . . . . . . . . . . . . . 19
Dynamic characteristics . . . . . . . . . . . . . . . . . 21
Application information. . . . . . . . . . . . . . . . . . 24
Package outline . . . . . . . . . . . . . . . . . . . . . . . . 44
Revision history . . . . . . . . . . . . . . . . . . . . . . . . 45
Legal information. . . . . . . . . . . . . . . . . . . . . . . 46
Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 5
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Mode selection and interfacing . . . . . . . . . . . . . 7
Pulse width modulation frequency . . . . . . . . . . 8
Protections . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Thermal Foldback (TF) . . . . . . . . . . . . . . . . . . 10
OverTemperature Protection (OTP) . . . . . . . . 10
OverCurrent Protection (OCP) . . . . . . . . . . . . 10
Window Protection (WP). . . . . . . . . . . . . . . . . 10
Supply voltage protections . . . . . . . . . . . . . . . 10
Diagnostic input and output . . . . . . . . . . . . . . 12
Differential inputs . . . . . . . . . . . . . . . . . . . . . . 12
Output voltage buffers. . . . . . . . . . . . . . . . . . . 13
Output power estimation. . . . . . . . . . . . . . . . . 24
Output current limiting. . . . . . . . . . . . . . . . . . . 26
Speaker configuration and impedance . . . . . . 26
Single-ended capacitor . . . . . . . . . . . . . . . . . . 27
Gain reduction . . . . . . . . . . . . . . . . . . . . . . . . 27
Device synchronization. . . . . . . . . . . . . . . . . . 28
Thermal behavior (printed-circuit board
considerations) . . . . . . . . . . . . . . . . . . . . . . . . 29
Pumping effects . . . . . . . . . . . . . . . . . . . . . . . 29
SE curves measured in the reference design. 30
BTL curves measured in the reference design 36
Typical application schematics (simplified) . . . 40
Data sheet status . . . . . . . . . . . . . . . . . . . . . . 46
Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
17.3
17.4
18
19
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. 2007.
For more information, please visit: http://www.nxp.com
For sales office addresses, please send an email to: [e-mail]
Contact information . . . . . . . . . . . . . . . . . . . . 46
Contents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Disclaimers. . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Trademarks . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Class-D audio amplifier
Document identifier: TDA8933_1
TDA8933
Date of release: 15 May 2007
All rights reserved.