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ADRF6704ACPZ-R7

更新时间: 2024-02-05 10:58:22
品牌 Logo 应用领域
亚德诺 - ADI 信号电路锁相环或频率合成电路
页数 文件大小 规格书
36页 1229K
描述
2050 MHz to 3000 MHz Quadrature Modulator

ADRF6704ACPZ-R7 技术参数

Source Url Status Check Date:2013-05-01 14:56:48.082是否无铅: 含铅
是否Rohs认证: 符合生命周期:Lifetime Buy
包装说明:,针数:40
Reach Compliance Code:compliant风险等级:5.7
模拟集成电路 - 其他类型:PHASE LOCKED LOOPBase Number Matches:1

ADRF6704ACPZ-R7 数据手册

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2050 MHz to 3000 MHz Quadrature Modulator with  
2500 MHz to 2900 MHz Frac-N PLL and Integrated VCO  
Data Sheet  
ADRF6704  
modulator, PLL, and VCO provides for significant board  
savings and reduces the BOM and design complexity.  
FEATURES  
IQ modulator with integrated fractional-N PLL  
Output frequency range: 2050 MHz to 3000 MHz  
Internal LO frequency range: 2500 MHz to 2900 MHz  
Output P1dB: 12.1 dBm @ 2700 MHz  
Output IP3: 27.2 dBm @ 2700 MHz  
Noise floor: −158.3 dBm/Hz @ 2700 MHz  
Baseband bandwidth: 750 MHz (3 dB)  
SPI serial interface for PLL programming  
Integrated LDOs and LO buffer  
The integrated fractional-N PLL/synthesizer generates a 2× fLO  
input to the IQ modulator. The phase detector together with an  
external loop filter is used to control the VCO output. The VCO  
output is applied to a quadrature divider. To reduce spurious  
components, a sigma-delta (Σ-Δ) modulator controls the  
programmable PLL divider.  
The IQ modulator has wideband differential I and Q inputs,  
which support baseband as well as complex IF architectures.  
The single-ended modulator output is designed to drive a  
50 Ω load impedance and can be disabled.  
Power supply: 5 V/226 mA  
40-lead 6 mm × 6 mm LFCSP  
APPLICATIONS  
The ADRF6704 is fabricated using an advanced silicon-  
germanium BiCMOS process. It is available in a 40-lead,  
exposed-paddle, Pb-free, 6 mm × 6 mm LFCSP package.  
Performance is specified from −40°C to +85°C. A lead-free  
evaluation board is available.  
Cellular communications systems  
GSM/EDGE, CDMA2000, W-CDMA, TD-SCDMA, LTE  
Broadband wireless access systems  
Satellite modems  
GENERAL DESCRIPTION  
Table 1.  
IQ Modulator  
3 dB RF Output Range  
The ADRF6704 provides a quadrature modulator and  
synthesizer solution within a small 6 mm × 6 mm footprint  
while requiring minimal external components.  
Part No.  
Internal LO Range  
750 MHz  
ADRF6701  
400 MHz  
1250 MHz  
1200 MHz  
2400 MHz  
1550 MHz  
2650 MHz  
2050 MHz  
3000 MHz  
1150 MHz  
1550 MHz  
2150 MHz  
2100 MHz  
2600 MHz  
2500 MHz  
2900 MHz  
The ADRF6704 is designed for RF outputs from 2050 MHz to  
3000 MHz. The low phase noise VCO and high performance  
quadrature modulator make the ADRF6704 suitable for next  
generation communication systems requiring high signal  
dynamic range and linearity. The integration of the IQ  
ADRF6702  
ADRF6703  
ADRF6704  
FUNCTIONAL BLOCK DIAGRAM  
VCC7  
34  
VCC6  
29  
VCC5  
27  
VCC4  
22  
VCC3  
17  
VCC2  
10  
VCC1  
1
36  
LOSEL  
ADRF6704  
40  
LON 37  
DECL3  
DIVIDER  
÷2  
BUFFER  
BUFFER  
9
DECL2  
38  
LOP  
2
DECL1  
2:1  
FRACTION  
REG  
INTEGER  
REG  
MUX  
12  
13  
14  
DATA  
CLK  
LE  
MODULUS  
SPI  
INTERFACE  
THIRD-ORDER  
FRACTIONAL  
18 QP  
VCO  
CORE  
INTERPOLATOR  
19  
32  
33  
QN  
IN  
×2  
N COUNTER  
21 TO 123  
PRESCALER  
÷2  
÷2  
0/90  
6
8
REFIN  
MUX  
÷2  
CHARGE PUMP  
250µA,  
500µA (DEFAULT),  
IP  
+
PHASE  
FREQUENCY  
DETECTOR  
TEMP  
SENSOR  
÷4  
750µA,  
1000µA  
MUXOUT  
NOTES  
4
7
11 15 20 21 23 25 28 30 31 35  
GND  
24  
5
3
39  
16  
26  
NC  
RSET  
CP VTUNE ENOP RFOUT  
1. NC = NO CONNECT. DO NOT CONNECT TO THIS PIN.  
Figure 1.  
Rev. 0  
Information furnished by Analog Devices is believed to be accurate and reliable. However, no  
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other  
rights of third parties that may result from its use. Specifications subject to change without notice. No  
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.  
Trademarks and registeredtrademarks arethe property of their respective owners.  
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.  
Tel: 781.329.4700  
Fax: 781.461.3113  
www.analog.com  
©2011 Analog Devices, Inc. All rights reserved.  
 
 
 
 

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