TDA6402 Datasheet, PDF (5/40 Pages) NXP Semiconductors – 5 V mixers/oscillators and synthesizers for cable TV and VCR 2-band tuners

Philips Semiconductors
5 V mixers/oscillators and synthesizers for
cable TV and VCR 2-band tuners
BLOCK DIAGRAM
Product specification
TDA6402; TDA6402A;
TDA6403; TDA6403A
handbook, full pagewidth
3 (26)
VHFIN
BS
4 (25)
RFGND
UHFIN1
UHFIN2
1 (28)
2 (27)
BS
IFFIL1 IFFIL2
5 (24) 6 (23)
RF INPUT
VHF
BS
TDA6402
TDA6402A
TDA6403
TDA6403A
RF INPUT
UHF
BS
VHF
MIXER
UHF
MIXER
VCC
19 (10)
BS
BS
VHF
OSCILLATOR
IF
PREAMPLIFIER
(5) 24
VHFOSCOC
(7) 22
(6) 23
(9) 20
VHFOSCIB
OSCGND
IFOUT
UHF
OSCILLATOR
(1) 28
(2) 27
(3) 26
(4) 25
UHFOSCIB2
UHFOSCOC2
UHFOSCOC1
UHFOSCIB1
18 (11)
XTAL
14 (15)
CL
13 (16)
DA
11 (18)
SW
12 (17)
CE/AS
XTAL
OSCILLATOR
4 MHz
PRESCALER
DIVIDE BY 8
POWER-DOWN
DETECTOR
PRESCALER
DIVIDE BY
512, 640, 1024
RSA
RSB
15-BIT
PROGRAMMABLE
DIVIDER
15-BIT
FREQUENCY
FL
REGISTER
fREF
PHASE
COMPARATOR
fDIV
IN LOCK
DETECTOR
FL
CHARGE
PUMP
T0, T1, T2 CP
OPAMP
OS
CONTROL
REGISTER
(13) 16
CP
(12) 17
VT
SCL
SDA I²C / 3-WIRE BUS TRANSCEIVER
SW _CE/AS
3-BIT A/D
CONVERTER
CP T2 T1 T0 RSA RSB OS
fREF
FL
1/2fDIV
GATE
PORT
REGISTER
UHF VHFH VHFL FMST
BS
T0, T1, T2
(8) 21
GND
15 (14)
LOCK/ADC
9 (20) 8 (21) 7 (22) 10 (19)
PVHFH
FMST
PUHF
PVHFL
MGE692
The pin numbers in parenthesis represent the TDA6403 and TDA6403A.
Fig.1 Block diagram.
2000 Jan 24
5