參數(shù)資料
型號: 935263936118
廠商: NXP SEMICONDUCTORS
元件分類: 調(diào)諧器
英文描述: 2-BAND, VIDEO TUNER, PDSO28
封裝: PLASTIC, SOT-341, SSOP-28
文件頁數(shù): 47/48頁
文件大?。?/td> 242K
代理商: 935263936118
2000 Aug 02
8
Philips Semiconductors
Product specication
5 V mixers/oscillators and synthesizers for
cable TV and VCR 2-band tuners
TDA6502; TDA6502A;
TDA6503; TDA6503A
handbook, halfpage
UHFIN1
UHFIN2
VHFIN
RFGND
IFFIL1
IFFIL2
PVHFL
PVHFH
PUHF
FMST
SW
CE/AS
DA
CL
UHFOSCIB2
UHFOSCOC2
UHFOSCOC1
UHFOSCIB1
OSCGND
VHFOSCIB
VHFOSCOC
GND
IFOUT
VCC
XTAL
VT
CP
LOCK/ADC
1
2
3
4
5
6
7
8
9
10
11
12
13
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
TDA6502
TDA6502A
FCE570
Fig.2
Pin configuration for TDA6502 and
TDA6502A.
handbook, halfpage
UHFIN1
UHFIN2
VHFIN
RFGND
IFFIL1
IFFIL2
PVHFL
PVHFH
PUHF
FMST
SW
CE/AS
DA
CL
UHFOSCIB2
UHFOSCOC2
UHFOSCOC1
UHFOSCIB1
OSCGND
VHFOSCIB
VHFOSCOC
GND
IFOUT
VCC
XTAL
VT
CP
LOCK/ADC
1
2
3
4
5
6
7
8
9
10
11
12
13
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
TDA6503
TDA6503A
FCE571
Fig.3
Pin configuration for TDA6503 and
TDA6503A.
8
FUNCTIONAL DESCRIPTION
8.1
Control mode selection
The device is controlled via the I2C-bus or the 3-wire bus, depending on the voltage applied to pin SW (see Table 2).
A LOW level on pin SW enables the I2C-bus: pins CE/AS, DA and CL are used as address selection (AS), serial data
(SDA) and serial clock (SCL) input respectively.
A HIGH level on pin SW enables the 3-wire bus: pins CE/AS, DA and CL are used as chip enable (CE), data and clock
inputs respectively.
Table 2
Bus format selection
PIN
I2C-BUS MODE
3-WIRE BUS MODE
SYMBOL
TDA6502;
TDA6502A
TDA6503;
TDA6503A
SW
11
18
LOW-level voltage or ground
HIGH-level voltage or open-circuit
CE/AS
12
17
address selection input
enable input
DA
13
16
serial data input
data input
CL
14
15
serial clock input
clock input
LOCK/ADC
15
14
ADC input or test output
lock detector output or test output
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