TDA9881 Philips Semiconductors, TDA9881 Datasheet - Page 42

• Manufacturer Part Number: TDA9881
• Description: Alignment-free vision and FM sound IF PLL demodulator
• Manufacturer: Philips Semiconductors

Philips Semiconductors
21. Contents
1
2
3
4
5
6
7
7.1
7.2
8
8.1
8.2
8.3
8.4
8.5
8.6
8.7
8.8
8.9
8.10
8.11
8.12
8.13
8.14
8.15
9
10
11
12
13
14
15
15.1
15.2
15.3
15.4
15.5
16
17
18
19
20
General description . . . . . . . . . . . . . . . . . . . . . . 1
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Quick reference data . . . . . . . . . . . . . . . . . . . . . 2
Ordering information . . . . . . . . . . . . . . . . . . . . . 3
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Pinning information . . . . . . . . . . . . . . . . . . . . . . 5
Functional description . . . . . . . . . . . . . . . . . . . 7
Limiting values. . . . . . . . . . . . . . . . . . . . . . . . . 12
Thermal characteristics. . . . . . . . . . . . . . . . . . 13
Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . 13
Application information. . . . . . . . . . . . . . . . . . 33
Test information . . . . . . . . . . . . . . . . . . . . . . . . 34
Package outline . . . . . . . . . . . . . . . . . . . . . . . . 35
Soldering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Revision history . . . . . . . . . . . . . . . . . . . . . . . . 40
Data sheet status . . . . . . . . . . . . . . . . . . . . . . . 41
Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Disclaimers . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Contact information . . . . . . . . . . . . . . . . . . . . 41
Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 6
VIF amplifier . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Tuner AGC and VIF AGC . . . . . . . . . . . . . . . . . 7
VIF AGC detector . . . . . . . . . . . . . . . . . . . . . . . 7
FPLL detector . . . . . . . . . . . . . . . . . . . . . . . . . . 8
VCO and divider . . . . . . . . . . . . . . . . . . . . . . . . 8
AFC and digital acquisition help circuit . . . . . . . 8
Video demodulator and amplifier . . . . . . . . . . . 9
Sound carrier trap . . . . . . . . . . . . . . . . . . . . . . . 9
SIF amplifier . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
SIF AGC detector . . . . . . . . . . . . . . . . . . . . . . . 9
Single reference QSS mixer . . . . . . . . . . . . . . 10
FM demodulator and acquisition help circuit . 10
Audio amplifier and mute time constant . . . . . 11
Internal voltage stabilizer . . . . . . . . . . . . . . . . 11
Logic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Introduction to soldering surface mount
packages . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Reflow soldering . . . . . . . . . . . . . . . . . . . . . . . 37
Wave soldering . . . . . . . . . . . . . . . . . . . . . . . . 37
Manual soldering . . . . . . . . . . . . . . . . . . . . . . 38
Package related soldering information . . . . . . 38
Alignment-free vision and FM sound IF PLL demodulator
© Koninklijke Philips Electronics N.V. 2004
All rights are reserved. Reproduction in whole or in part is prohibited without the prior
written consent of the copyright owner. The information presented in this document does
not form part of any quotation or contract, is believed to be accurate and reliable and may
be changed without notice. No liability will be accepted by the publisher for any
consequence of its use. Publication thereof does not convey nor imply any license under
patent- or other industrial or intellectual property rights.
Published in The Netherlands
Document number: 9397 750 13417
Date of release: 16 November 2004
TDA9881
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