參數(shù)資料
型號(hào)： AD6653BCPZ-125
廠商： ANALOG DEVICES INC
元件分類： 無(wú)繩電話/電話
英文描述： IF Diversity Receiver
中文描述： TELECOM, CELLULAR, BASEBAND CIRCUIT, QCC64
封裝： 9 X 9 MM, ROHS COMPLIANT, MO-220VMMD-4, LFCSP-64
文件頁(yè)數(shù)： 4/80頁(yè)
文件大?。?/td> 1998K
代理商： AD6653BCPZ-125
AD6653
GENERAL DESCRIPTION
The AD6653 is a mixed-signal intermediate frequency (IF) receiver
consisting of dual, 12-bit, 125 MSPS/150 MSPS ADCs and a wide-
band digital downconverter (DDC). The AD6653 is designed to
support communications applications where low cost, small size,
and versatility are desired.
The dual ADC core features a multistage, differential pipelined
architecture with integrated output error correction logic. Each
ADC features wide bandwidth differential sample-and-hold
analog input amplifiers supporting a variety of user-selectable
input ranges. An integrated voltage reference eases design
considerations. A duty cycle stabilizer is provided to compen-
sate for variations in the ADC clock duty cycle, allowing the
converters to maintain excellent performance.
ADC data outputs are internally connected directly to the
digital downconverter (DDC) of the receiver, simplifying layout
and reducing interconnection parasitics. The digital receiver has
two channels and provides processing flexibility. Each receive
channel has four cascaded signal processing stages: a 32-bit
frequency translator (numerically controlled oscillator (NCO)),
a decimating half-band filter, a fixed FIR filter, and an f
ADC
/8
fixed-frequency NCO.
In addition to the receiver, DDC, the AD6653 has several functions
that simplify the automatic gain control (AGC) function in the
system receiver. The fast detect feature allows fast overrange
detection by outputting four bits of input level information with
short latency.
Rev. 0 | Page 4 of 80
In addition, the programmable threshold detector allows
monitoring of the incoming signal power using the four fast
detect bits of the ADC with low latency. If the input signal level
exceeds the programmable threshold, the coarse upper threshold
indicator goes high. Because this threshold indicator has low
latency, the user can quickly turn down the system gain to avoid
an overrange condition.
The second AGC-related function is the signal monitor. This block
allows the user to monitor the composite magnitude of the
incoming signal, which aids in setting the gain to optimize the
dynamic range of the overall system.
After digital processing, data can be routed directly to the two
external 12-bit output ports. These outputs can be set from 1.8 V
to 3.3 V CMOS or as 1.8 V LVDS. The CMOS data can also be
output in an interleaved configuration at a double data rate,
using only Port A.
The AD6653 receiver digitizes a wide spectrum of IF frequencies.
Each receiver is designed for simultaneous reception of the main
channel and the diversity channel. This IF sampling architecture
greatly reduces component cost and complexity compared with
traditional analog techniques or less integrated digital methods.
Flexible power-down options allow significant power savings,
when desired.
Programming for setup and control is accomplished using a 3-bit
SPI-compatible serial interface.
The AD6653 is available in a 64-lead LFCSP and is specified over
the industrial temperature range of 40°C to +85°C.
相關(guān)PDF資料
PDF描述
AD6653BCPZ-150 IF Diversity Receiver
AD6655BCPZ-1251 IF Diversity Receiver
AD6655 IF Diversity Receiver
AD6655-125EBZ1 IF Diversity Receiver
AD6655-150EBZ1 IF Diversity Receiver
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AD6653BCPZ-150 制造商:Analog Devices 功能描述:IF DIVERSITY RCVR 64LFCSP EP - Trays 制造商:Analog Devices 功能描述:IC RECEIVER IF DIVERSITY LFCSP64 制造商:Analog Devices 功能描述:IC, RECEIVER, IF DIVERSITY, LFCSP64
AD6654 制造商:Analog Devices 功能描述:- Bulk
AD6654/PCB 制造商:AD 制造商全稱:Analog Devices 功能描述:14-Bit, 92.16 MSPS, 4-/6-Channel Wideband IF to Baseband Receiver
AD6654/PCBZ 制造商:Analog Devices 功能描述:4/6CH WIDEBAND IF TO BASEBAND RCVR - Bulk
AD6654BBC 功能描述:IC ADC 14BIT W/6CH RSP 256CSPBGA RoHS:否 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:250 系列:- 位數(shù):12 采樣率（每秒）:1.8M 數(shù)據(jù)接口:并聯(lián) 轉(zhuǎn)換器數(shù)目:1 功率耗散（最大）:1.82W 電壓電源:模擬和數(shù)字 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:48-LQFP 供應(yīng)商設(shè)備封裝:48-LQFP（7x7） 包裝:管件 輸入數(shù)目和類型:2 個(gè)單端，單極
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