TDA6650ATT Datasheet, PDF (4/54 Pages) NXP Semiconductors – 5 V mixer/oscillator and low noise PLL synthesizer for hybrid terrestrial tuner (digital and analog)

NXP Semiconductors
5. Block diagram
TDA6650ATT; TDA6651ATT
5 V mixer/oscillator and low noise PLL synthesizer
n.c.
V_CCA
21 (18)
26 (13)
TDA6650ATT
(TDA6651ATT)
4 (35)
LBIN
LOW
INPUT
BS1
IFFIL1
IFFIL2
IFOUTA
IFOUTB
6 (33)
7 (32) 28 (11) 27 (12)
IF
AMP
(30) 9
AGC
DETECTOR
AGC
flag
AL0, AL1, AL2 ATC
(10) 29
LOW
MIXER
(1) 38
BS1
LOW
OSCILLATOR ^{(2) 37}
AGC
IFGND
LOSCIN
LOSCOUT
3 (36)
MBIN
MID
INPUT
BS2
MID
MIXER
(5) 34
BS2
MID
OSCILLATOR ^{(4) 35}
MOSCIN1
MOSCIN2
HBIN1
HBIN2
1 (38)
2 (37)
HIGH
INPUT
BS1 . BS2
HIGH
MIXER
5 (34)
RFGND
BS1 . BS2
HIGH
OSCILLATOR
(9) 30
(8) 31
(7) 32
(6) 33
(3) 36
V_CCD
XTAL1
XTAL2
SCL
SDA
AS
BVS
24 (15)
19 (20)
20 (19)
15 (24)
16 (23)
17 (22)
13 (26)
FRACTIONAL
DIVIDER
CRYSTAL
OSCILLATOR
I²C-BUS
TRANSCEIVER
POR
ADC
R0, R1,
N [14:0]
R2
FRACTIONAL
CALCULATOR
REFERENCE
DIVIDER
PHASE
COMPARATOR
CHARGE
PUMP
OUTPUT
BUFFER
(21) 18
T0, T1, T2
LOOP
AMP
(17) 22
(16) 23
AGC
LOCK
T0, T1, CP0, CP1,
DETECTOR
T2
CP2
BAND SWITCH
OUTPUT PORTS
FRACTIONAL
BS5- ^SPURIOUS
BS1 ^COMPENSATION
14 8 10 11 12
(25) (31) (29) (28) (27)
ADC/
BS3
BS1
BS5
BS4
BS2
(14) 25
coa033
The pin numbers in parenthesis represent the TDA6651ATT.
Fig 1. Block diagram
HOSCIN1
HOSCOUT1
HOSCOUT2
HOSCIN2
OSCGND
XTOUT
VT
CP
PLLGND
TDA6650ATT_6651ATT_2
Product data sheet
Rev. 02 — 2 February 2007
© NXP B.V. 2007. All rights reserved.
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