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參數(shù)資料
| 型號： | TDA8769 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | 12-bit, 60/80/105 Msps Analog-to-Digital Converter (ADC) Nyquist/high IF sampling |
| 中文描述： | 12位，60/80/105 Msps的模擬到數(shù)字轉(zhuǎn)換器（ADC）奈奎斯特/ IF采樣高 |
| 文件頁數(shù)： | 3/28頁 |
| 文件大?。?/td> | 217K |
| 代理商： | TDA8769 |
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2003 Dec 09
3
Philips Semiconductors
Objective specification
12-bit, 60/80/105 Msps Analog-to-Digital Converter
(ADC) Nyquist/high IF sampling
TDA8769
1
FEATURES
12-bit resolution
Optimized for both Nyquist and high IF sampling
High-speed sampling rate up to 105 MHz
Maximum analog input frequency of 330 MHz (see
Application section)
Only 2 clock cycles latency
5 V power supplies and 3.3 V output power supply
Binary or two’s-complement CMOS outputs
Programmable Complete Conversion Signal (CCS)
CMOS output
In-range CMOS compatible output
CMOS compatible static digital inputs
LVTTL and LVCMOS compatible digital outputs
Differential clock input PECL; sine wave and TTL
compatible
Integrated track-and-hold amplifier
Differential analog input
External amplitude range control
Full-scale controllable from 1.5 to 1.9 V (p-p)
Voltage controlled regulator included
Temperature range from
40 to +85
°
C.
2
APPLICATIONS
Cellular infrastructure (2.5G, 3G, etc.)
Base stations and “Zero-IF” or direct IF sampling
subsystems
Wireless and wired broadband communications
Wireless Local Loop (WLL)
Local Multipoint Distribution Service (LMDS)
Advanced Frequency Modulation (FM) radio
Imaging (camera scanner and medical)
Cable modem or set top box
Radar and satellite hub systems.
3
GENERAL DESCRIPTION
The TDA8769 is a BiCMOS 12-bit Analog-to-Digital
Converter(ADC)optimizedforGSM/EDGE,W-CDMAand
CDMA2000 radio transceivers, high data rate radios and
other applications such as advanced FM radio and
professional imaging. Its main innovation is the RF
sampling, based on a high-speed clock of up to 105 Msps
combined with high input frequencies of up to 250 MHz.
It converts the analog input signal into 12-bit binary coded
digital words at a maximum sampling rate of 105 MHz.
The TDA8769 analog performances have been proven in
various multi-carrier 3G radio receivers, providing the
best-in-class Adjacent Channel Selectivity (ACS) up to
80 dB.
Moreover the TDA8769 offers the lowest clock cycle
latency, which enables competitive and optimized
feedback loops in controlled systems.
All static digital inputs (TH, CEN, OTC, DEL0 and DEL1)
are CMOS compatible and all outputs are LVTTL and
LVCMOS compatible. A sine wave clock input signal can
also be used.
4
QUICK REFERENCE DATA
Tbf.
5
ORDERING INFORMATION
TYPE NUMBER
PACKAGE
SAMPLING
FREQUENCY
(MHz)
NAME
DESCRIPTION
VERSION
TDA8769HW/6
TDA8769HW/8
TDA8769HW/10
HTQFP48
plastic thermal enhanced thin quad flat package;
48 leads; body 7
×
7
×
1.0 mm; heatsink
SOT545-2
60
80
105
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