adc12d1800rfrb National Semiconductor Corporation, adc12d1800rfrb Datasheet

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adc12d1800rfrb

Manufacturer Part Number
adc12d1800rfrb
Description
12-bit, Single 3.6 Gsps Ultra High-speed Adc
Manufacturer
National Semiconductor Corporation
Datasheet

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© 2011 National Semiconductor Corporation
12-Bit, Single 3.6 GSPS Ultra High-Speed ADC
1.0 General Description
The 12-bit 1.8 GSPS ADC12D1800RF is an RF-sampling
GSPS ADC that can directly sample input frequencies up to
and above 2.7 GHz. The ADC12D1800RF augments the very
large Nyquist zone of National’s GSPS ADCs with excellent
noise and linearity performance at RF frequencies, extending
its usable range beyond the 3
The ADC12D1800RF provides a flexible LVDS interface
which has multiple SPI programmable options to facilitate
board design and FPGA/ASIC data capture. The LVDS out-
puts are compatible with IEEE 1596.3-1996 and supports
programmable common mode voltage. The product is pack-
aged in a lead-free 292-ball thermally enhanced BGA pack-
age over the rated industrial temperature range of -40°C to
+85°C.
2.0 Features
5.0 Block Diagram
Excellent noise and linearity up to and above f
Configurable to either 3.6 GSPS interleaved or 1800
MSPS dual ADC
New DESCLKIQ Mode for high bandwidth, high sampling
rate apps
Pin-compatible with ADC1xD1x00, ADC12Dx00RF
AutoSync feature for multi-chip synchronization
Internally terminated, buffered, differential analog inputs
Interleaved timing automatic and manual skew adjust
Test patterns at output for system debug
Time Stamp feature to capture external trigger
Programmable gain, offset, and t
1:1 non-demuxed or 1:2 demuxed LVDS outputs
rd
Nyquist zone.
AD
adjust feature
301643
IN
Simplified Block Diagram
ADC12D1800RF
= 2.7 GHz
3.0 Applications
4.0 Key Specifications
Interleaved 3.6 GSPS ADC
Dual 1800 MSPS ADC, Fin = 498 MHz
3G/4G Wireless Basestation
— Receive Path
— DPD Path
Wideband Microwave Backhaul
RF Sampling Software Defined Radio
Military Communications
SIGINT
RADAR / LIDAR
Wideband Communications
Consumer RF
Test and Measurement
Resolution
IMD
IMD
Noise Floor
Noise Power Ratio
Power
ENOB
SNR
SFDR
Power per Channel
3
3
(Fin = 2.7GHz @ -13dBFS)
(Fin = 2.7GHz @ -16dBFS)
30164311
INFORMATION
-155.0 dBm/Hz (typ)
ADVANCE
www.national.com
TBD dB (typ)
-62 dBc (typ)
-64 dBc (typ)
57.7 dB (typ)
9.2 Bits (typ)
July 1, 2011
70 dBc (typ)
4.4W (typ)
2.2W (typ)
12 Bits

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adc12d1800rfrb Summary of contents

Page 1

... Test patterns at output for system debug ■ Time Stamp feature to capture external trigger ■ Programmable gain, offset, and t ■ 1:1 non-demuxed or 1:2 demuxed LVDS outputs 5.0 Block Diagram © 2011 National Semiconductor Corporation ADC12D1800RF 3.0 Applications ■ 3G/4G Wireless Basestation — Receive Path — DPD Path ■ ...

Page 2

RF Performance www.national.com -50 -7dBFS -10 BFS -13dBFS -60 -16dBFS -70 -80 -90 -100 0.0 0.5 1.0 1.5 2.0 FREQUENCY (GHz) ADC12D1800RF Non-DES Mode IMD 2 2.5 3.0 30164398 3 ...

Page 3

... The center ground pins are for thermal dissipation and must be soldered to a ground plane to ensure rated performance. 8.0 Ordering Information Industrial Temperature Range (-40°C < T ADC12D1800RFIUT/NOPB ADC12D1800RFRB If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/Distributors for availability and specifications. IBIS models are available at: http://www.national.com/analog/adc/ibis_models. < +85°C) ...

Page 4

Physical Dimensions NOTES: UNLESS OTHERWISE SPECIFIED REFERENCE JEDEC REGISTRATION MS-034, VARIATION BAL-2. www.national.com inches (millimeters) unless otherwise noted 292-Ball BGA Thermally Enhanced Package Order Number ADC12D1800RFUIT NS Package Number UFH292A 4 ...

Page 5

Notes 5 www.national.com ...

Page 6

... National Semiconductor and the National Semiconductor logo are registered trademarks of National Semiconductor Corporation. All other brand or product names may be trademarks or registered trademarks of their respective holders. ...

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