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ADRF6620 데이터시트 PDF




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부품번호 ADRF6620 기능
기능 700 MHz to 2700 MHz Rx Mixer
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ADRF6620 데이터시트, 핀배열, 회로
Data Sheet
700 MHz to 2700 MHz Rx Mixer with Integrated
IF DGA, Fractional-N PLL, and VCO
ADRF6620
FEATURES
Integrated fractional-N phase-locked loop (PLL)
RF input frequency range: 700 MHz to 2700 MHz
Internal local oscillator (LO) frequency range: 350 MHz to
2850 MHz
Input P1dB: 17 dBm
Output IP3: 45 dBm
Single-pole four-throw (SP4T) RF input switch
Digital step attenuator (DSA) range: 0 dB to 15 dB
Integrated RF tunable balun allowing single-ended 50 Ω input
Multicore integrated voltage controlled oscillator (VCO)
Digitally programmable variable gain amplifier (DGA)
−3 dB bandwidth: >600 MHz
Balanced 150 Ω IF output impedance
Programmable via 3-wire serial port interface (SPI)
Single 5 V supply
APPLICATIONS
Wireless receivers
Digital predistortion (DPD) receivers
GENERAL DESCRIPTION
The ADRF6620 is a highly integrated active mixer and synthesizer
that is ideally suited for wireless receiver subsystems. The feature
rich device consists of a high linearity broadband active mixer;
an integrated fractional-N PLL; low phase noise, multicore VCO;
and IF DGA. In addition, the ADRF6620 integrates a 4:1 RF
switch, an on-chip tunable RF balun, programmable RF attenuator,
and low dropout (LDO) regulators. This highly integrated device
fits within a small 7 mm × 7 mm footprint.
The high isolation 4:1 RF switch and on-chip tunable RF balun
enable the ADRF6620 to support four single-ended 50 Ω
terminated RF inputs. A programmable attenuator ensures
optimal RF input drive to the high linearity mixer core. The
integrated DSA has an attenuation range of 0 dB to 15 dB with
a step size of 1 dB.
FUNCTIONAL BLOCK DIAGRAM
RFIN0
RFIN1
RFIN2
RFIN3
IFOUT1–
IFOUT1+
IFOUT2–
IFOUT2+
REFIN
÷8
÷4
÷2
×1
×2
LOIN+
LOIN–
PFD CHARGE CP
+ PUMP
VTUNE
÷1, ÷2,
÷4, ÷8
N = INT + FRAC
MOD
÷2
LOIN+
LOIN–
VTUNE
CP
MUXOUT
LOCK_DET
VPTAT
LDO
2.5 V
SERIAL
PORT
INTERFACE
LDO
VCO
LDO
3.3V
Figure 1.
The ADRF6620 offers two alternatives for generating the dif-
ferential LO input signal: externally, via a high frequency, low
phase noise LO signal, or internally, via the on-chip fractional-N
PLL synthesizer. The integrated synthesizer enables continuous
LO coverage from 350 MHz to 2850 MHz. The PLL reference
input can support a wide frequency range because the divide and
multiply blocks can be used to increase or decrease the reference
frequency to the desired value before it is passed to the phase
frequency detector (PFD).
The integrated high linearity DGA provides an additional gain
range from 3 dB to 15 dB in steps of 0.5 dB for maximum flexibility
in driving an analog-to-digital converter (ADC).
The ADRF6620 is fabricated using an advanced silicon-germanium
BiCMOS process. It is available in a 48-lead, RoHS-compliant,
7 mm × 7 mm LFCSP package with an exposed pad. Performance
is specified over the −40°C to +85°C temperature range.
Rev. 0
Document Feedback
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibilityisassumedbyAnalogDevices for itsuse,nor foranyinfringementsofpatentsor 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.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
©2013 Analog Devices, Inc. All rights reserved.
Technical Support
www.analog.com




ADRF6620 pdf, 반도체, 판매, 대치품
Data Sheet
ADRF6620
SPECIFICATIONS
VCCx = 5 V, TA = 25°C, unless otherwise noted.
Table 1.
Parameter
LO INPUT
Internal LO Frequency Range
External LO Frequency Range
LO Input Level
LO Input Impedance
RF INPUT
Input Frequency
Input Return Loss
Input Impedance
RF DIGITAL STEP ATTENUATOR
Attenuation Range
POWER SUPPLY
Power Consumption
Power-Down Current
Test Conditions/Comments
LO_DIV_A = 00
Step size = 1 dB
LO output buffer disabled
External LO + IF DGA enabled
Internal LO + IF DGA enabled
Only IF DGA enabled
Min Typ Max Unit
350
350
−6 0
50
2850
3200
+6
MHz
MHz
dBm
Ω
700
12
50
2700
MHz
dB
Ω
0
4.75 5.0
15 dB
5.25 V
1.3 W
1.7 W
0.6 W
6 mA
RF INPUT TO IF DGA OUTPUT SYSTEM SPECIFICATIONS
VCCx = 5 V, TA = 25°C, high-side LO injection, fIF = 200 MHz, internal LO frequency, IF DGA output load = 150 Ω, and 2 V p-p differential
output with third-order low-pass filter, unless otherwise noted. For mixer settings for maximum linearity, see Table 16. All losses from
input and output traces and baluns are de-embedded from results
Table 2. RF Switch + Balun + RF Attenuator + Mixer + IF DGA
Parameter
Test Conditions/Comments
DYNAMIC PERFORMANCE AT fRF = 900 MHz
Voltage Conversion Gain
Output P1dB
Output IP3
Output IP2
Noise Figure
fIF = 200 MHz
1 V p-p each output tone, 1 MHz tone spacing
1 V p-p each output tone, 1 MHz tone spacing
Noise figure optimized
DYNAMIC PERFORMANCE AT fRF = 1900 MHz
Voltage Conversion Gain
Output P1dB
Output IP3
Output IP2
Noise Figure
fIF = 200 MHz
1 V p-p each output tone, 1 MHz tone spacing
1 V p-p each output tone, 1 MHz tone spacing
Noise figure optimized
DYNAMIC PERFORMANCE AT fRF = 2100 MHz
Voltage Conversion Gain
Output P1dB
Output IP3
Output IP2
Noise Figure
fIF = 200 MHz
1 V p-p each output tone, 1 MHz tone spacing
1 V p-p each output tone, 1 MHz tone spacing
Noise figure optimized
DYNAMIC PERFORMANCE AT fRF = 2700 MHz
Voltage Conversion Gain
Output P1dB
Output IP3
Output IP2
Noise Figure
fIF = 200 MHz
1 V p-p each output tone, 1 MHz tone spacing
1 V p-p each output tone, 1 MHz tone spacing
Noise figure optimized
Rev. 0 | Page 3 of 52
Min Typ Max Unit
12 dB
18 dBm
43 dBm
78 dBm
16 dB
11 dB
18 dBm
45 dBm
75 dBm
18.5 dB
dB
10.5 dBm
18 dBm
45 dBm
66 dBm
19 dB
9 dB
18 dBm
44 dBm
74 dBm
21 dB

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ADRF6620 전자부품, 판매, 대치품
ADRF6620
Data Sheet
RF INPUT TO MIXER OUTPUT SPECIFICATIONS
VCCx = 5 V, TA = 25°C, high-side LO injection, fIF = 200 MHz, external LO frequency, and RF attenuation = 0 dB, unless otherwise noted.
Mixer settings configured for maximum linearity (see Table 16). All losses from input and output traces and baluns are de-embedded
from results.
Table 4. RF Switch + Balun + RF Attenuator + Mixer
Parameter
Test Conditions/Comments
VOLTAGE GAIN
Differential 255 Ω load
MIXER OUTPUT IMPEDANCE
Differential (see Figure 87)
DYNAMIC PERFORMANCE AT fRF= 900 MHz
Voltage Conversion Gain
Input P1dB
Input IP3
−5 dBm each input tone, 1 MHz tone spacing
Input IP2
−5 dBm each input tone, 1 MHz tone spacing
Noise Figure
LO to RF Leakage
RF to LO Leakage
LO to IF Leakage
RF to IF Leakage
With respect to 0 dBm RF input power
Isolation1
Isolation between RFIN0 and RFIN3
DYNAMIC PERFORMANCE AT fRF =1900 MHz
Voltage Conversion Gain
Input P1dB
Input IP3
−5 dBm each input tone, 1 MHz tone spacing
Input IP2
−5 dBm each input tone, 1 MHz tone spacing
Noise Figure
LO to RF Leakage
RF to LO Leakage
LO to IF Leakage
RF to IF Leakage
Isolation1
With respect to 0 dBm RF input power
Isolation between RFIN0 and RFIN3
DYNAMIC PERFORMANCE AT fRF = 2100 MHz
Voltage Conversion Gain
Input P1dB
Input IP3
−5 dBm each input tone, 1 MHz tone spacing
Input IP2
−5 dBm each input tone, 1 MHz tone spacing
Noise Figure
LO to RF Leakage
RF to LO Leakage
LO to IF Leakage
RF to IF Leakage
With respect to 0 dBm RF input power
Isolation1
Isolation between RFIN0 and RFIN3
DYNAMIC PERFORMANCE AT fRF = 2700 MHz
Voltage Conversion Gain
Input P1dB
Input IP3
−5 dBm each input tone, 1 MHz tone spacing
Input IP2
−5 dBm each input tone, 1 MHz tone spacing
Noise Figure
LO to RF Leakage
RF to LO Leakage
LO to IF Leakage
RF to IF Leakage
With respect to 0 dBm RF input power
Isolation1
Isolation between RFIN0 and RFIN3
Min Typ Max Unit
−4 dB
255 Ω
−2 dB
17 dBm
40 dBm
65 dBm
15 dB
−70 dBm
−60 dBc
−32 dBm
−45 dBc
−52 dBc
−3 dB
17 dBm
40 dBm
62 dBm
17 dB
−60 dBm
−50 dBc
−35 dBm
−43 dBc
−47 dBc
−3.5 dB
18 dBm
40 dBm
54.5 dBm
18 dB
−60 dBm
−40 dBc
−35 dBm
−40 dBc
−45 dBc
−4.7 dB
19 dBm
40 dBm
56 dBm
21 dB
−60 dBm
−45 dBc
−40 dBm
−42 dBc
−41 dBc
1 Isolation between RF inputs. An input signal was applied to RFIN0 while RFIN1 to RFIN3 were terminated with 50 Ω. The IF signal amplitude was measured at the mixer
output. The internal switch was then configured for RFIN3, and the feedthrough was measured as a delta from the fundamental.
Rev. 0 | Page 6 of 52

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부품번호상세설명 및 기능제조사
ADRF6620

700 MHz to 2700 MHz Rx Mixer

Analog Devices
Analog Devices

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