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ISL5416
Data Sheet
February 2003
FN6006.2
Four-Channel Wideband Programmable
DownConverter
The ISL5416 Four-Channel Wideband Programmable Digital
DownConverter (WPDC) is designed for high dynamic range
applications such as cellular basestations where the
processing of multiple channels is required in a small
physical space. The WPDC combines four channels in a
single package, each including: an NCO, a digital mixer,
digital filters, an AGC and a resampling filter.
All channels are independently programmable and may be
updated in real time. Each of the four channels can select
any of the four digital input buses. Each of the tuners can
process a W-CDMA channel. Channels may be cascaded or
polyphased for increased bandwidth. Selectable outputs
include I samples, Q samples, and AGC gain. Outputs from
the part are available over the parallel, serial or uP
interfaces.
Features
鈥?Up to 95MSPS Input
鈥?Four Parallel 16-bit Fixed or 17-bit Floating Point Inputs
鈥?Programmable RF Attenuator/VGA Control
鈥?32-Bit Programmable Carrier NCO with > 110dB SFDR
鈥?20-bit Internal Data Path
鈥?Filter Functions
- Multi-Stage Cascaded-Integrator-Comb (CIC) Filter
- Two programmable FIR Filters (first up to 32-taps,
second up to 64-taps)
- Half Band Interpolation Filter
- Resampling FIR Filter
鈥?Overall decimation from 1 to >4096
鈥?Digital AGC with up to 96dB of Gain Range
鈥?Up to Four Independent 16-bit Parallel Outputs
鈥?Serial Output Option
Ordering Information
PART
NUMBER
ISL5416KI
ISL5416EVAL1
TEMP
RANGE (
o
C)
-40 to 85
25
PACKAGE
256 BGA
PKG. NO
V256.17x17
鈥?16-bit Parallel
碌P
Interface
鈥?1.8V core, 3.3V I/O Operation
鈥?Evaluation Board and Configuration Software available
EVALUATION KIT
Applications
鈥?Basestation Receivers: GSM/EDGE, CDMA2000, UMTS.
Block Diagram
TEST
REGISTER
OUTPUT
RANGE CONTROL
AOUT(15:8)
INPUT CHANNEL ROUTING
NCO I
MIXER
CIC
Q
I
FIR1
FILTER
Q
FIR2
FILTER
I
AGC
Q
Q
I
IHBF
Q
I
RESAMPLER
Q
I
OUTPUT ROUTING & FORMATTING
AOUT(7:0)
FSYNCA
OEA
AIN(16:0)
ENIA
CLKA
INPUT
SELECT
CLOCK &
FORMAT
INPUT A
INPUT B
INPUT C
INPUT D
CHANNEL O
CHANNEL 1
CHANNEL 2
CHANNEL 3
CLKO1
CLKO2
/INTRPT
EOUT(15:0)
RF ATTENUATOR
VGA CONTROL
JTAG
SYNCHRONIZATION
SYNCO SYNCIN1 SYNCIN2
碌P
INTERFACE
ADD(2:0)
uP MODE
CE
RD or
RD/WR
RESET
1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 321-724-7143
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Intersil (and design) is a registered trademark of Intersil Americas Inc.
Copyright 漏 Intersil Americas Inc. 2003. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.
P(15:0)
WR or
DSTRB