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PDF DK86060-3 Data sheet ( Hoja de datos )
| Número de pieza | DK86060-3 | |
| Descripción | 16-Bit Interpolating Digital to Analog Converter | |
| Fabricantes | Fujitsu Media Devices Limited | |
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Product Flyer
MB86060
16-Bit Interpolating Digital to Analog Converter
June 2000
Version 1.2
FME/MS/SFDAC1/FL_1/4270
The Fujitsu MB86060 is a high performance 12-bit, 400MSa/s
Digital to Analog Converter (DAC) enhanced with a 16-bit
interpolation filtering front-end. Use of novel techniques for the
converter architecture delivers high speed operation consistent
with BiCMOS or bipolar devices but at the low power of CMOS.
Fujitsu’s proprietary architecture is the subject of several patent
applications. Additional versatility is provided by selectable input
interpolation filters, programmable dither and noise shaping
facilities. Excellent SFDR performance coupled with high speed
conversion rate and low power make this device particularly
suitable for high performance communication systems, in
particular direct IF synthesis applications.
PLASTIC PACKAGE
LQFP-80
Features
• 16-bit Interpolating Digital to Analog conversion
• x1, x2 or x4 interpolation filtering
• 100MSa/s input, with x4 interpolation enabled
• Programmable highpass filtered dither
• Selectable 2nd order noise shaping
• Versatile CMOS digital interface
• Internal programmable clock multiplier
• Low power, 3.3V operation (343mW @32MSa/s input, x4)
• Performance enhanced pinout with on-chip decoupling
• 0.35µm CMOS technology with Triple Well
• Industrial temperature range (-40°C to +85°C)
Applications
• Direct IF Synthesis
• Cellular basestations
• Wide-band communications systems
(FPT-80P-M05)
Ordering Information
Part
Order
Number
MB86060 Datasheet
MB86060 DAC
Contact Sales
MB86060PFV
MB86060 Development DK86060-3
Kit
MB86060 Development Contact Sales
Kit User Manual
This product has Patents applied for in the US and elsewhere including GB2333191A, EP0935345A, JP11-274934A, GB2333171A, EP0930717A, JP11-274935A,
GB2333190A, EP0929158A, JP11-243339A, GB2335097A, EP0940923A, JP11-317667A, GB2335076A, EP0940852A, JP11-251530A.
Copyright © 2000 Fujitsu Microelectronics Europe GmbH
Page 1 of 6
1 page  
June 2000 Version 1.2
FME/MS/SFDAC1/FL_1/4270
MB86060 16-Bit Interpolating Digital to Analog Converter
Interpolation Filter Response
20
Pass Band 0.43fs (-0.1dB)
Stop Band -75dBFS from 0.59Fs -
(Excluding transition band image around 1.5Fs)
[Frequency axis normalised to input data rate]
[Simulated overall x 4 Interpolation filter response]
0
-20
-40
dB
-60
-80
Combined Filter Characteristics
-100
-120
0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
Frequency
Programmable Dither
Dither can be added to improve low-level performance and reduce effects due to nonlinearities within the
DAC, and reducing DNL and glitch energy. The dither has programmable amplitude, and is high pass
filtered to fall out of the pass band.
For dither to be used effectively both amplitude and frequency characteristics must be carefully considered.
Obviously the dither amplitude should be larger than the nonlinearities to be masked, but levels significantly
larger than this will ultimately limit available dynamic range for the wanted signal. Similar considerations
should be made for the frequency characteristics, which in the MB86060 the dither is highpass filtered such
that the majority of the energy is concentrated at Nyquist of the DAC output rate.
Development Kit
A development kit, reference DK86060, is available for the MB86060 16-bit Interpolating DAC. The kit
includes an evaluation board that enables simple and effective evaluation of the device.
The board provides a complete evaluation environment for the DAC. A transformer coupled differential
output interface is provided to simplify integration into
target applications and development environments. An
RF clock source can be connected via the transformer
coupled input, and 16-bit data via a 40-way IDC header.
The development kit includes,
• Evaluation board with MB86060 device fitted
• Spare MB86060 for customer development
• User Manual
Copyright © 2000 Fujitsu Microelectronics Europe GmbH
Page 5 of 6
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet DK86060-3.PDF ] | |
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