TDA8594 NXP Semiconductors, TDA8594 Datasheet - Page 48
![no-image](/images/manufacturer_photos/0/4/487/nxp_semiconductors_sml.jpg)
TDA8594
Manufacturer Part Number
TDA8594
Description
The TDA8594 is a complementary quad Bridge Tied Load (BTL) audio power amplifiermade in BCDMOS technology
Manufacturer
NXP Semiconductors
Datasheet
1.TDA8594.pdf
(48 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
TDA8594SD
Manufacturer:
NXP
Quantity:
5 510
Company:
Part Number:
TDA8594SD
Manufacturer:
TI
Quantity:
5 510
NXP Semiconductors
21. Contents
1
2
2.1
2.2
3
4
5
6
6.1
6.2
7
7.1
7.2
7.3
7.4
7.5
7.6
7.7
7.7.1
7.7.2
7.8
7.9
7.10
7.11
7.12
7.13
7.14
7.15
7.16
7.17
8
8.1
8.2
9
10
11
12
13
13.1
14
14.1
15
16
17
General description . . . . . . . . . . . . . . . . . . . . . . 1
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Quick reference data . . . . . . . . . . . . . . . . . . . . . 2
Ordering information . . . . . . . . . . . . . . . . . . . . . 2
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Pinning information . . . . . . . . . . . . . . . . . . . . . . 4
Functional description . . . . . . . . . . . . . . . . . . . 5
I
Limiting values. . . . . . . . . . . . . . . . . . . . . . . . . 26
Thermal characteristics. . . . . . . . . . . . . . . . . . 27
Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . 27
Performance diagrams . . . . . . . . . . . . . . . . . . 32
Application information. . . . . . . . . . . . . . . . . . 39
Test information . . . . . . . . . . . . . . . . . . . . . . . . 42
Package outline . . . . . . . . . . . . . . . . . . . . . . . . 43
Mounting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . . 45
2
C-bus specification . . . . . . . . . . . . . . . . . . . . 19
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
I
Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 4
Input stage . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Output stage . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Distortion (clip) detection . . . . . . . . . . . . . . . . . 6
Output protection and short-circuit operation . . 6
SOAR protection. . . . . . . . . . . . . . . . . . . . . . . . 6
Speaker protection . . . . . . . . . . . . . . . . . . . . . . 6
Standby and mute operation. . . . . . . . . . . . . . . 7
Legacy mode (pin ADSEL connected to
ground) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
I
Start-up and shut-down sequence . . . . . . . . . . 7
Power-on reset and supply voltage spikes . . . 11
Engine start and low voltage operation. . . . . . 11
Overvoltage and load dump protection. . . . . . 14
Thermal pre-warning and thermal protection . 14
Diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Offset detection. . . . . . . . . . . . . . . . . . . . . . . . 16
DC load detection . . . . . . . . . . . . . . . . . . . . . . 16
AC load detection . . . . . . . . . . . . . . . . . . . . . . 17
I
Instruction bytes . . . . . . . . . . . . . . . . . . . . . . . 20
Data bytes. . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
PCB layout . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Quality information . . . . . . . . . . . . . . . . . . . . . 42
2
2
2
C-bus mode . . . . . . . . . . . . . . . . . . . . . . . . . . 1
C-bus mode . . . . . . . . . . . . . . . . . . . . . . . . . . 7
C-bus diagnostic readout . . . . . . . . . . . . . . . 18
18
19
19.1
19.2
19.3
19.4
20
21
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: salesaddresses@nxp.com
I
Revision history . . . . . . . . . . . . . . . . . . . . . . . 46
Legal information . . . . . . . . . . . . . . . . . . . . . . 47
Contact information . . . . . . . . . . . . . . . . . . . . 47
Contents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
2
C-bus controlled 4
Data sheet status . . . . . . . . . . . . . . . . . . . . . . 47
Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Disclaimers. . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Trademarks . . . . . . . . . . . . . . . . . . . . . . . . . . 47
50 W power amplifier
Date of release: 11 December 2007
Document identifier: TDA8594_2
TDA8594
All rights reserved.