Datasheet > TDA8296HN/C1,557

TDA8296HN/C1,557

更新时间： 2024-11-12 14:45:07

品牌	Logo	应用领域
恩智浦 - NXP		/
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87页	1016K
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TDA8296HN/C1,557 数据手册

TDA8296

Digital global standard low IF demodulator for analog TV and

FM radio

Rev. 1 — 3 March 2011

Product data sheet

1. General description

The TDA8296 is an alignment-free digital multistandard vision and sound low IF signal

PLL demodulator for positive and negative video modulation including AM and FM mono

sound processing. It can be used in all countries worldwide for M/N, B/G/H, I, D/K,

L and L-accent standard. CVBS and SSIF/mono audio are provided via two DACs. FM

radio preprocessing is included for simple interfacing with demodulator/stereo decoder

backends.

The IC is especially suited for the application with the NXP Silicon Tuner TDA1827x.

All the processing is done in the digital domain.

The chip has an ‘easy programming’ mode to make the I²C-bus protocol very simple. In

principle, only one bit sets the proper standard with recommended content. However, if

this is not suitable, free programming is always possible.

Note: Register 06h has to be reprogrammed to new value C4h (see Section 9.2 and

Section 9.3.1).

2. Features and benefits

Digital IF demodulation for all analog TV standards worldwide (M/N, B/G/H, D/K, I,

L and L-accent standard)

Multistandard true synchronous demodulation with active carrier regeneration

Alignment-free

16 MHz typical reference frequency input (from low IF tuner) or operating as crystal

oscillator

Internal PLL synthesizer which allows the use of a low-cost crystal (typically 16 MHz)

Especially suited for the NXP Silicon Tuner TDA1827x

No SAW filter needed

Low application effort and external component count in combination with the

TDA1827x

Simple upgrade of TDA8295 possible

12-bit low power IF ADC on chip running with 54 MHz or 27 MHz

Two 10-bit DACs on chip for CVBS and SSIF or audio

Easy programming for I²C-bus

High flexibility due to various I²C-bus programming registers

I²C-bus interface and I²C-bus feed-through for tuner programming

Four I²C-bus addresses selectable via two external pins

12 3 4 5 6 7...87

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