ADRF5730BCCZN datasheet, price | pdf

ADRF5730BCCZN Pinout Equivalent Circuit

The adrf5730bcczn is a 6-bit silicon digital attenuator from Analog Devices that provides 31.5dB of attenuation control in 0.5dB steps. The chip can operate in a frequency range of 100 MHz to 40 GHz and offers better than 4.8dB insertion loss and excellent attenuation accuracy. The port design uses a conventional 50Ω characteristic impedance matching. For wideband applications, impedance matching on the RF transmission signal line can further reduce signal energy loss at high frequencies. And it can provide an SPI interface to communicate with external devices.

Pin Definition:

Alternative model options

In practical applications, it may be necessary to find an alternative selection of ADRF5730BCCZN for some reasons, but after searching, it is found that a completely suitable product may only be fully compliant with ADRF5730BCCZN, so when we select alternative models, we focus on similar products, such as upper substitution selection or lower substitution selection, and it is generally certain that it has not been replaced by selection, and some of the accuracy or area may be lost if the subordinate substitution selection is not yet selected; Overall, we need to make a trade-off. The main parameters to be considered in the selection are: 1. the working frequency range, 2. the compatibility of the power supply and the control signal, 3. the attenuation range, and 4. whether the package meets the requirements. Here are a few alternative replacements.

Picture	Name	Frequency range	Matching impedance	Attenuation	Package
	ADRF5716	0.1GHz~30GHz	50Ω	16dB ~ 48dB	VFLGA-20-EP
	ADRF5730	100MHz~40GHz	50Ω	0.5dB~31.5 dB	VFLGA-24-EP
	ADRF5731	100MHz~40GHz	50Ω	2dB~30dB	VFLGA-16-EP
	ADRF5740BCCZN-R7	10MHz~60GHz	50Ω	2dB~22dB	VFLGA-16-EP

Typical Applications

RF sampling structure is very important in the design of modern radio reception industry, and the choice of architecture has a great impact on the harmonic performance of the system, and there are two main methods: direct RF sampling and heterodyne converter. The disadvantages of heterodyne architecture compared with direct RF sampling are that the structure is complex, it is easy to generate harmonics, and it requires accurate design frequency planning, and the complex structure also leads to the high cost required. Therefore, the RF structure is more commonly used at present. The diagram shows a relatively simple RF structure, where the RF signal is received through the input port, then the signal is amplified by an amplifier and enters the filter to complete the band selection and clutter suppression (amplification and filtering should effectively improve the signal quality), and finally the RF signal is received by an analog-to-digital converter (ADC).