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CXA3252N 参数 Datasheet PDF下载

CXA3252N图片预览
型号: CXA3252N
PDF下载: 下载PDF文件 查看货源
内容描述: 全波段电视调谐器IC具有片上PLL [All Band TV Tuner IC with On-chip PLL]
分类和应用: 电视
文件页数/大小: 32 页 / 293 K
品牌: SONY [ SONY CORPORATION ]
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CXA3252N
All Band TV Tuner IC with On-chip PLL
Description
The CXA3252N is a monolithic TV tuner IC which
integrates local oscillator and mixer circuits for VHF
band, local oscillator and mixer circuits for UHF band,
an IF amplifier and a tuning PLL onto a single chip,
enabling further miniaturization of the tuner.
Features
Superior cross modulation
• Supports both IF double-tuned filter and adjacent
channel trap.
• Balanced UHF oscillator (4 pins) with excellent oscil-
lation stability
• Supports both I
2
C and 3-wire bus modes
• Automatic identification of 18, 19 or 27-bit control
(during 3-wire bus mode)
• On-chip high voltage drive transistor for charge pump
• Reference frequency selectable from 31.25, 50 or
62.5 kHz (when using a 4 MHz crystal)
• Low-phase noise synthesizer
• On-chip 4-output band switch
(supports output voltages from 5 to 9 V)
• 32 pin SSOP
Applications
• TV tuners
• VCR tuners
• CATV tuners
Structure
Bipolar silicon monolithic IC
• Storage temperature
Absolute Maximum Ratings
(Ta=25 °C)
Supply voltage
V
CC
1, V
CC
2
−0.3
to
+
5.5
V
CC
3
−0.3
to
+10.0
Tstg
−55
to
+
150
V
V
°C
32 pin SSOP (Plastic)
• Allowable power dissipation
Operating Conditions
V
CC
1, V
CC
2 4.75 to 5.30
V
V
CC
3
4.75 to 9.45
V
• Operating temperature Topr
−25
to
+75
°C
P
D
580
mW
(when mounted on a printed circuit board)
• Supply voltage
This IC has the pins whose electrostatic discharge strength is weak as the operating frequency is high and the high-frequency
process is used for this IC.
Take care of handling the IC.
Sony reserves the right to change products and specifications without prior notice. This information does not convey any license by
any implication or otherwise under any patents or other right. Application circuits shown, if any, are typical examples illustrating the
operation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits.
–1–
E00301-TE