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TDA1001BT, TDA1002, TDA10021HT

Table of contents:
Info of TDA1001BT
Info of TDA1002
Info of TDA10021HT

TDA1001BT, TDA1002, TDA10021HT Selling Leads, Datasheet

MFG:PHILIPS Package Cooled:N/A D/C:03+

TDA1001BT, TDA1002, TDA10021HT Datasheet download

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Part Number: TDA1001BT

MFG: PHILIPS

Package Cooled: N/A

D/C: 03+

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TDA1001BT General Description

The TDA1001B is a monolithic integrated circuit for suppressing interference and noise in FM mono and stereo receivers.

TDA1001BT Maximum Ratings

Supply voltage (pin 9)	V_P	18	V
Input voltage (pin 1)	V_1-16	V_P	V
Output current (pin 6)	I₆	1	mA
	-I₆	15	mA
Total power dissipation	see derating curves Fig.2
Storage temperature range	T_stg		°C
Operating ambient temperature range	T_amb		°C

TDA1001BT Features

· Active low-pass and high-pass filters
· Interference pulse detector with adjustable and controllable response sensitivity
· Noise detector designed for FM i.f. amplifiers with ratio detectors or quadrature detectors
· Schmitt trigger for generating an interference suppression pulse
· Active pilot tone generation (19 kHz)
· Internal voltage stabilization

TDA10021HT General Description

The TDA10021HT is a single-chip DVB-C channel receiver for 4, 16, 32, 64, 128 and 256 QAM modulated signals. The device interfaces directly to the IF signal, which is sampled by a 10-bit ADC.

The TDA10021HT performs the clock and the carrier recovery functions. The digital loop filters for both clock and carrier recovery are programmable in order to optimize their characteristics according to the current application.

After baseband conversion, equalization filters are used for echo cancellation in cable applications. These filters are configured as either a T-spaced transversal equalizer or a Decision Feedback Equalizer (DFE), so that the system performance can be optimized according to the network characteristics. A proprietary equalization algorithm, independent of carrier offset, is achieved in order to assist carrier recovery. A decision directed algorithm then takes place, to achieve final equalization convergence.

The TDA10021HT implements a FORNEY convolutional de-interleaver of depth 12 blocks and a Reed-Solomon decoder which corrects up to 8 erroneous bytes. The de-interleaver and the RS decoder are automatically synchronized by the frame synchronization algorithm which uses the MPEG-2 sync byte. Finally descrambling according to DVB-C standard, is achieved at the Reed Solomon output. This device is controlled via an I2C-bus.

Designed in 0.2 mm CMOS technology and housed in a 64 pin TQFP package, the TDA10021HT operates over the commercial temperature range.

TDA10021HT Features

· 4, 16, 32, 64, 128 and 256 Quadrature Amplitude Modulation (QAM) demodulator (DVB-C compatible: ETS 300-429/ITU-T J83 annex A/C)
· High performance for 256 QAM, especially for direct IF applications
· On-chip 10-bit Analog-to-Digital Converter (ADC)
· On-chip Phase-Locked Loop (PLL) for crystal frequency multiplication (typically 4 MHz crystal)
· Digital downconversion
· Programmable half Nyquist filter (roll off = 0.15 or 0.13)
· Two Pulse Width Modulated (PWM) AGC outputs with programmable take over point (for tuner and downconverter control)
· Clock timing recovery, with programmable 2nd-order loop filter
· Variable symbol rate capability from SACLK/64 to SACLK/4 (SACLK = 36 MHz maximum)
· Programmable anti-aliasing filters
· Full digital carrier recovery loop
· Carrier acquisition range up to 18% of symbol rate
· Integrated adaptive equalizer (linear transversal equalizer or decision feedback equalizer)
· On-chip Forward Error Correction (FEC) decoder (de-interleaver and RS decoder) and fully DVB-C compliant
· DVB compatible differential decoding and mapping
· Parallel and serial transport stream interface simultaneously
· I²C-bus interface, for easy control
· CMOS 0.2 mm technology.

TDA10021HT Typical Application

· Cable set-top boxes
· Cable modems
· MMDS (ETS 300-749) set-top boxes.

TDA10021HT Connection Diagram

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