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TDA6501 Datasheet

(TDA6500 / TDA6501) 5V mixer/oscillator and synthesizer

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TDA6501 pdf
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TDA6500; TDA6501
5 V mixer/oscillator and synthesizer for PAL and NTSC
standards
Rev. 02 — 14 June 2005
Product data sheet
1. General description
TDA6500TT and TDA6501TT are programmable 2-mixer, 3-oscillator and synthesizer
MOPLLs intended for pure 3-band tuner concepts.
The device includes two double balanced mixers for the low and mid/high bands and three
oscillators for the low, mid and high bands, respectively. Other functions are an
IF amplifier, a wide-band AGC detector and a PLL synthesizer. Two pins are available
between the mixer output and the IF amplifier input to enable IF filtering for improved
signal handling.
The device can be controlled according to the I2C-bus format.
2. Features
s Single-chip, 5 V mixer/oscillator and synthesizer for TV and VCR tuners
s I2C-bus protocol compatible with 3.3 V and 5 V microcontrollers:
x Address + 6 data bytes transmission
x Address + 1 status byte (I2C-bus read mode)
x Four independent I2C-bus addresses
s Two PMOS open-drain ports with 5 mA source capability to switch high band and FM
sound trap (P2 and P3)
s One PMOS open-drain port P1 with 20 mA source capability to switch the mid band
s One PMOS open-drain port P0 with 10 mA source capability to switch the low band
s Five step, 3-bit Analog-to-Digital Converter (ADC) and NPN open-collector general
purpose port P6 with 5 mA sinking capability
s NPN open-collector general purpose port P4 with 5 mA sinking capability
s Internal AGC flag
s In-lock flag
s 33 V tuning voltage output
s 15-bit programmable divider
s Programmable reference divider ratio: 64, 80 or 128
s Programmable charge pump current: 60 µA or 280 µA
s Varicap drive disable
s Balanced mixer with a common emitter input for the low band (single input)
s Balanced mixer with a common base input for the mid and high bands (balanced input)
s 2-pin asymmetrical oscillator for the low band
s 2-pin asymmetrical oscillator for the mid band
s 4-pin symmetrical oscillator for the high band


NXP Semiconductors Electronic Components Datasheet

TDA6501 Datasheet

(TDA6500 / TDA6501) 5V mixer/oscillator and synthesizer

No Preview Available !

TDA6501 pdf
Philips Semiconductors
TDA6500; TDA6501
5 V mixer/oscillator and synthesizer for PAL and NTSC standards
www.datasheet4u.com
s IF preamplifier with asymmetrical 75 output impedance to drive a SAW filter
(500 /40 pF)
s Wide-band AGC detector for internal tuner AGC:
x Five programmable take-over points
x Two programmable time constants
3. Applications
s TV and VCR tuners
s Specially suited for switched concepts, all systems
s Specially suited for strong off-air reception
4. Ordering information
Table 1: Ordering information
Type number
Package
Name
Description
Version
TDA6500TT
TDA6501TT
TSSOP32 plastic thin shrink small outline package; 32 leads; SOT487-1
body width 6.1 mm; lead pitch 0.65 mm
9397 750 15057
Product data sheet
Rev. 02 — 14 June 2005
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
2 of 37


Part Number TDA6501
Description (TDA6500 / TDA6501) 5V mixer/oscillator and synthesizer
Maker NXP Semiconductors
Total Page 30 Pages
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