參數(shù)資料
型號： TDA6060XS
廠商： SIEMENS A G
元件分類： 消費家電
英文描述： SPECIALTY CONSUMER CIRCUIT, PDSO28
封裝： PLASTIC, TSSOP-28
文件頁數(shù)： 12/27頁
文件大小： 421K
代理商： TDA6060XS
SIEMENS
Preliminary IC-SPECIFICATION
TDA 6060XS, TDA 6060G
The reproduction, transmission or use of this document or its contents is not permitted without express written authority. Offenders will be liable for damages.All rights, including rights
created by patent grant or registration of a utility model or design, are reserved.
11.11.1998
V66047-S0894-A100-V3-76D4
page 2
Functional Description, Application
Multistandard Modulator / PLL
Functional Description
The TDA 6060XS device combines a digitally programmable phase locked loop (PLL), with a multistandard
video modulator and a programmable sound FM and AM modulator.
The PLL block with four hard-switched chip addresses forms a digitally programmable phase locked loop.
With a 4 MHz quartz crystal, the PLL permits precise setting of the frequency of the modulator oscillator from
30 MHz to 950 MHz in increments of 250 kHz. The tuning process is controlled by a microprocessor via an
I2C bus. The device has one output port, which can also be used as an A/D converter input. A flag is set when
the loop is locked. The lock flag can be read by the processor via the I2C bus.
The modulator block includes a clamped video input amplifier followed by a double balanced mixer as a RF
modulator, a frequency and amplitude-stable balanced oscillator for the VHF, Hyper band and the UHF range
(with different tank circuits), a digitally programmable sound FM / AM modulator, a second audio carrier input
and a low-noise reference voltage source.
Features
Frequency and amplitude-stable balanced oscillator for the VHF, Hyper band and the
UHF frequency range
Clamped video input with peak white level detection for I2C bus controlled gain setting
of the video amplifier
Programmable sound carriers 4.5 MHz, 5.5 MHz, 6 MHz, 6.5 MHz
Second sound carrier input
Balanced RF output
Low-noise reference voltage
1-chip system for
C control (I2C bus)
Fast I2C bus mode possible
4 programmable chip addresses
Smallest possible lock-in time; no asynchronous divider stage
Short pull-in time for quick channel switch-over and optimized loop stability
One high-current switch output
5-level A/D converter
Lock-in flag
Power-down flag
Few external components
Package TSSOP 28
5 V supply voltage
Application
The TDA 6060XS is suitable for all modulator boxes
The TDA 6060G has modified divider ratio for applications with +125kHz RF frequency offset
(e.g. 38.875MHz, N=620+2) and reduced Sound Carrier Levels.
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