NXP Semiconductors
TDA6650TT; TDA6651TT
5 V mixer/oscillator and low noise PLL synthesizer
I
I
I
I
I
I
I
I
I
I
N
Six programmable take-over points
N
Two programmable time constants
N
AGC flag.
In-lock flag
Crystal frequency output buffer
33 V tuning voltage output
Fractional-N programmable divider
Balanced mixers with a common emitter input for the low band and for the mid band
(each single input)
Balanced mixer with a common base input for the high band (balanced input)
2-pin asymmetrical oscillator for the low band
2-pin symmetrical oscillator for the mid band
4-pin symmetrical oscillator for the high band
Switched concept IF amplifier with both asymmetrical and symmetrical outputs to drive
low impedance or SAW filters i.e. 500
Ω
/ 40 pF.
3. Applications
For all applications, the recommendations given in the latest application note
AN10544
must be used.
3.1 Application summary
I
I
I
I
Digital and analog terrestrial tuners (OFDM, PAL, etc.)
Cable tuners (QAM)
Digital TV sets
Digital set-top boxes.
4. Ordering information
Table 3.
Ordering information
Package
Name
TDA6650TT/C3
TDA6650TT/C3/S2
TDA6651TT/C3
TDA6651TT/C3/S2
TDA6651TT/C3/S3
TSSOP38
Description
plastic thin shrink small outline package; 38 leads; body width 4.4 mm;
lead pitch 0.5 mm
Version
SOT510-1
Type number
TDA6650TT_6651TT_5
© NXP B.V. 2007. All rights reserved.
Product data sheet
Rev. 05 — 10 January 2007
3 of 54
PHILIPS [ NXP SEMICONDUCTORS ]
