Datasheet > ADRF6521ACPZ

ADRF6521ACPZ

更新时间： 2024-09-26 02:51:39

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
33页	1020K
描述
Low Frequency to 3 GHz, Dual VGA with Output Common-Mode and DC Offset Control

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ADRF6521ACPZ 数据手册

Low Frequency to 3 GHz, Dual VGA with

Output Common-Mode and DC Offset Control

ADRF6521

Data Sheet

FEATURES

SIMPLIFIED FUNCTIONAL BLOCK DIAGRAM

VPOS VGN

VNEG FLT1

OFS1

Dual, matched VGAs

Maximum voltage gain: 18 dB

+ –

INM1

INP1

OPM1

OPP1

Gain control attenuation range: 21 dB typical for T_A= 25°C

1 dB gain flatness bandwidth: 2.5 GHz typical

IMD2 and IMD3 (1.5 V p-p output level)

−56.8 dBc typical and −75 dBc typical, respectively, at VGN =

1.5 V, 980 MHz and 1000 MHz tones

18dB

– +

COMM

VOCM

ADRF6521

HD2 and HD3 (1.5 V p-p output level)

−75 dBc typical and −73.7 dBc typical, respectively, atVGN =

1.5 V, fundamental at 500 MHz

−55.9 dBc typical and −57.5 dBc typical, respectively, at

VGN = 1.5 V, fundamental at 1 GHz

+ –

– +

INP2

INM2

OPP2

OPM2

18dB

Noise figure

10.5 dB typical at maximum gain and at 500 MHz

14.8 dB at maximum gain and at 2 GHz

Noise figure decreases dB for dB with gain backoff

100 Ω differential input impedance

VPOS PWD

VNEG FLT2

OFS2

Figure 1.

≤16 Ω differential output impedance

Programmable

Output DC offset nominal range: 400 mV

Output common-mode control: > 200 mV for VOCM = 0.2 V

Single- or dual-supply operation with power-down feature

Single supply: VPOS = 5 V, VNEG = 0 V (nominal)

Dual supply: VPOS = 3 V, VNEG =−2 V (nominal)

APPLICATIONS

Point-to-point and point-to-multipoint radios

Baseband IQ receivers

Diversity receivers

ADC drivers

Instrumentation

Medical

GENERAL DESCRIPTION

The ADRF6521 is a dual, fully differential, low noise and low

distortion variable gain amplifier (VGA). The high spurious-

free dynamic range over the gain range makes the ADRF6521

ideal for communication systems with dense constellations,

multiple carriers, and nearby interferers.

for second and third harmonic distortion (HD2 and HD3) from

low frequency to 1 GHz. Variable output dc offset control is

accomplished with the OFS1 and OFS2 pins, and the output

common-mode can be controlled with the VOCM pin.

The ADRF6521 flexibly operates from a single +5 V supply or

from a range of dual supplies and consumes a total supply

current of 200 mA. When fully disabled, it consumes 25 mA

typical. The ADRF6521 is fabricated in an advanced silicon-

germanium BiCMOS process and is available in a 20-lead,

exposed pad, 3 mm × 3 mm LFCSP. Performance is specified

over the −40°C to +85°C temperature range.

The VGA has a 21 dB attenuation range with a typical voltage

gain of 18 dB. The differential input impedance is 100 Ω, while the

differential output impedance is 16 Ω. The 1 dB gain flatness

bandwidth is 2.5 GHz. The output buffers are capable of swinging

1.5 V p-p into 100 ꢀ loads at >55 dBc for second-order and

third-order intermodulation distortion (IMD2 and IMD3), and

Rev. 0

Document Feedback

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

Technical Support

www.analog.com

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与ADRF6521ACPZ相关器件

型号	品牌	获取价格	描述	数据表
ADRF6521ACPZ-R7	ADI	获取价格	Low Frequency to 3 GHz, Dual VGA with Output Common-Mode and DC Offset Control
ADRF6521-EVALZ	ADI	获取价格	Low Frequency to 3 GHz, Dual VGA with Output Common-Mode and DC Offset Control
ADRF6601	ADI	获取价格	750 MHz to 1160 MHz Rx Mixer with Integrated Fractional-N PLL and VCO
ADRF6601ACPZ-R7	ADI	获取价格	750 MHz to 1160 MHz Rx Mixer with Integrated Fractional-N PLL and VCO
ADRF6601-EVALZ	ADI	获取价格	750 MHz to 1160 MHz Rx Mixer with Integrated Fractional-N PLL and VCO
ADRF6602	ADI	获取价格	1550 MHz to 2150 MHz Rx Mixer with Integrated Fractional-N PLL and VCO
ADRF6602ACPZ-R7	ADI	获取价格	1550 MHz to 2150 MHz Rx Mixer with Integrated Fractional-N PLL and VCO
ADRF6602-EVALZ	ADI	获取价格	1550 MHz to 2150 MHz Rx Mixer with Integrated Fractional-N PLL and VCO
ADRF6603	ADI	获取价格	2100 MHz to 2600 MHz Rx Mixer with Integrated Fractional-N PLL and VCO
ADRF6603ACPZ	ADI	获取价格	IC,RF MIXER,BICMOS,LLCC,40PIN,PLASTIC

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