1
FN6813.1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774
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FemtoCharge is a trademark of Kenet Inc. Copyright Intersil Americas Inc. 2008, 2011. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.
KAD2708L
8-Bit, 350/275/210/170/105MSPS A/D
Converter
The Intersil KAD2708L is the industry’s lowest power, 8-bit,
350MSPS, high performance Analog-to-Digital converter. It is
designed with Intersil’s proprietary FemtoCharge™ technology
on a standard CMOS process. The KAD2708L offers high
dynamic performance (48.8dBFS SNR @ f
IN
= 175MHz) while
consuming less than 330mW. Features include an over-range
indicator and a selectable divide-by-2 input clock divider. The
KAD2708L is one member of a pin-compatible family offering
8- and 10-bit ADCs with sample rates from 105MSPS to
350MSPS and LVDS-compatible or LVCMOS outputs (Table 1).
This family of products is available in 68 Ld RoHS-compliant
QFN packages with exposed paddle. Performance is specified
over the full industrial temperature range (-40°C to +85°C).
Features
• On-Chip Reference
• Internal Track and Hold
•1.5V
P-P
Differential Input Voltage
• 600mHz Analog Input Bandwidth
• Two’s Complement or Binary Output
• Over-Range Indicator
• Selectable ÷2 Clock Divider
• LVDS Compatible Outputs
Key Specifications
• SNR = 48.8dBFS at f
S
= 350MSPS, f
IN
= 175MHz
• SFDR = 64dBc at f
S
= 350MSPS, f
IN
= 175MHz
• Power Consumption < 330mW at f
S
= 350MSPS
Applications
• High-Performance Data Acquisition
• Portable Oscilloscope
• Medical Imaging
• Cable Head Ends
• Power-Amplifier Linearization
• Radar and Satellite Antenna Array Processing
• Broadband Communications
• Point-to-Point Microwave Systems
• Communications Test Equipment
Pin-Compatible Family
LVDS
Drivers
1.21 V
Clock
Generation
S/H
INP
INN
8-bit
350MSPS
ADC
CLK_P
CLK_N
OVSS
AVSS
AVDD2
CLKOUTP
CLKOUTN
D7P – D0P
ORP
2SC
OVDD
CLKDIV
+
–
AVDD3
VREF
VREFSEL
VCM
8
D7N – D0N
ORN
Ordering Information
PART NUMBER
(Notes 1, 2)
SPEED
(MSPS)
TEMP.
RANGE
(°C) PACKAGE
PKG.
DWG. #
KAD2708L-35Q68 350 -40 to +85 68 Ld QFN L68.10x10B
KAD2708L-27Q68 275 -40 to +85 68 Ld QFN L68.10x10B
KAD2708L-21Q68 210 -40 to +85 68 Ld QFN L68.10x10B
KAD2708L-17Q68 170 -40 to +85 68 Ld QFN L68.10x10B
KAD2708L-10Q68 105 -40 to +85 68 Ld QFN L68.10x10B
NOTES:
1. For Moisture Sensitivity Level (MSL), please see device
information pages for KAD2708L-10
, KAD2708L-17,
KAD2708L-21
, KAD2708L-27, and KAD2708L-35. For more
information on MSL, please see Tech Brief TB363
.
2. These Intersil Pb-free plastic packaged products employ special
Pb-free material sets, molding compounds/die attach materials,
and 100% matte tin plate plus anneal (e3 termination finish, which
is RoHS compliant and compatible with both SnPb and Pb-free
soldering operations). Intersil Pb-free products are MSL classified
at Pb-free peak reflow temperatures that meet or exceed the
Pb-free requirements of IPC/JEDEC J STD-020.
TABLE 1. PIN-COMPATIBLE PRODUCTS
RESOLUTION, SPEED LVDS OUTPUTS LVCMOS OUTPUTS
8 Bits 350MSPS KAD2708L-35
10 Bits 275MSPS KAD2710L-27 KAD2710C-27
8 Bits 275MSPS KAD2708L-27 KAD2708C-27
10 Bits 210MSPS KAD2710L-21 KAD2710C-21
8 Bits 210MSPS KAD2708L-21 KAD2708C-21
10 Bits 170MSPS KAD2710L-17 KAD2710C-17
8 Bits 170MSPS KAD2708L-17 KAD2708C-17
10 Bits 105MSPS KAD2710L-10 KAD2710C-10
8 Bits 105MSPS KAD2708L-10 KAD2708C-10
Data Sheet April 14, 2011
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