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Dual 14-Bit, 250MSPS/200MSPS/130MSPS ADC
ISLA224P
The ISLA224P is a family of dual-channel 14-Bit analog-to-digital
converters. Designed with Intersil’s proprietary FemtoCharge?
technology on a standard CMOS process, the family supports
sampling rates of up to 250MSPS. The ISLA224P is part of a
pin-compatible portfolio of 12-bit and 14-bit dual-channel A/Ds
with maximum sample rates ranging from 130MSPS to
250MSPS.
A serial peripheral interface (SPI) port allows for extensive
configurability, as well as fine control of various parameters such
as gain and offset.
Digital output data is presented in selectable LVDS or CMOS
formats. The ISLA224P is available in a 72-contact QFN package
with an exposed paddle. Operating from a 1.8V supply,
performance is specified over the full industrial temperature
range (-40°C to +85°C).
Key Specifications
? SNR @ 250/200/130MSPS
72.7/73.9/74.7dBFS f IN = 30MHz
70.2/70.7/70.2dBFS f IN = 363MHz
? SFDR @ 250/200/130MSPS
84/86/86dBc f IN = 30MHz
73/75/79dBc f IN = 363MHz
? Total Power Consumption = 837mW @ 250MSPS
Features
? Single supply 1.8V operation
? Clock duty cycle stabilizer
? 75fs clock jitter
? 700MHz bandwidth
? Programmable built-in test patterns
? Multi-ADC support
- SPI programmable fine gain and offset control
- Support for multiple ADC synchronization
- Optimized output timing
? Nap and sleep modes
- 200 μs sleep wake-up time
? Data output clock
? DDR LVDS-compatible or LVCMOS outputs
? Selectable clock divider
Applications
? Radar array processing
? Software defined radios
? Broadband communications
? High-performance data acquisition
? Communications test equipment
Pin-Compatible Family
SPEED
MODEL
RESOLUTION
(MSPS)
CLKP
CLKN
CLOCK
MANAGEMENT
CLKOUTP
CLKOUTN
ISLA224P25
ISLA224P20
14
14
250
200
ISLA224P13
14
130
VINBP
VINBN
VCM
SHA
14-BIT
250 MSPS
ADC
VREF
DIGITAL
ERROR
CORRECTION
D[13:0]P
D[13:0]N
ORP
ORN
OUTFMT
ISLA222P25
ISLA222P20
ISLA222P13
12
12
12
250
200
130
VINAN
VINAP
SHA
14-BIT
250 MSPS
ADC
OUTMODE
– -
November 30, 2012
FN7570.1
VREF
1.25V
+
1
SPI
CONTROL
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774 | Copyright Intersil Americas Inc. 2011, 2012. All Rights Reserved
Intersil (and design) and FemtoCharge are trademarks owned by Intersil Corporation or one of its subsidiaries.
All other trademarks mentioned are the property of their respective owners.
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ISLA224P20 制造商:INTERSIL 制造商全称:Intersil Corporation 功能描述:Dual 14-Bit, 250MSPS/200MSPS/130MSPS ADC
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