kad2710l Kenet Inc., kad2710l Datasheet

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kad2710l

Manufacturer Part Number
kad2710l
Description
10-bit, 275msps Analog-to-digital Converter
Manufacturer
Kenet Inc.
Datasheet

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Part Number:
kad2710l-27Q68
Manufacturer:
Intersil
Quantity:
1 400
KAD2710L
Description
The Kenet KAD2710L is the industry’s lowest power,
1 0 -b it , h i gh p e r f o r m a n c e An a l o g -t o -D i git a l
converter. The converter runs at sampling rates up
to 275MSPS , and is fabricated with Kenet’s
proprietary
can now obtain industry-leading SNR and SFDR
s p e c i f i c a t i o n s w h i l e n e a r l y h a l v i n g p o w e r
consumption.
105MSPS are also available in the same pin-
compatible package and in versions with 8-bit
r e s o l u t i o n . K e n e t ’ s K A D 2 7 1 0 C o f f e r s t h i s
performance with LVC MOS out puts. All are
available in 68-pin RoHS-compliant QFN packages
with exposed paddle. Performance is specified over
the full industrial temperature range (-40 to +85°C).
Key Specifications
Features
Applications
300 Unicorn Park Dr., Woburn, MA 01801
FemtoCharge
Rev 1.1
SNR of 56dB at Nyquist
SFDR of 71dBc at Nyquist
Power consumption ≤ 280mW at f
On-chip reference
Internal track and hold
1.5V
600MHz analog input bandwidth
Two’s complement or binary output
Over-range indicator
Selectable ÷2 Clock Input
LVDS compatible outputs
High-Performance Data Acquisition
Portable Oscilloscope
Medical Imaging
Cable Head Ends
Power-Amplifier Linearization
Radar and Satellite Antenna Array Processing
Broadband Communications
Local Multipoint Distribution System (LMDS)
Communications Test Equipment
PP
10-Bit, 275MSPS Analog-to-Digital Converter
FemtoCharge®
differential input voltage
is a registered trademark of Kenet, Inc.
Sampling rates of 210, 170 and
CMOS technology. Users
S
= 275MSPS
Sales: 1-781-497-0060
Resolution, Speed
10 Bits 275MSPS
10 Bits 210MSPS
10 Bits 170MSPS
10 Bits 105MSPS
8 Bits 275MSPS
8 Bits 210MSPS
8 Bits 170MSPS
8 Bits 105MSPS
Table 1. Pin-Compatible Products
LVDS Outputs
KAD2710L-27
KAD2708L-27
KAD2710L-21
KAD2708L-21
KAD2710L-17
KAD2708L-17
KAD2710L-10
KAD2708L-10
Copyright © 2007, Kenet, Inc.
Sales@kenetinc.com
LVCMOS Outputs
KAD2710C-27
KAD2708C-27
KAD2710C-21
KAD2708C-21
KAD2710C-17
KAD2708C-17
KAD2710C-10
KAD2708C-10
Page 1 of 17

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kad2710l Summary of contents

Page 1

... KAD2710L 10-Bit, 275MSPS Analog-to-Digital Converter Description The Kenet KAD2710L is the industry’s lowest power git a l converter. The converter runs at sampling rates up to 275MSPS , and is fabricated with Kenet’s proprietary FemtoCharge® ...

Page 2

... KAD2710L 10-Bit, 275MSPS Analog-to-Digital Converter Absolute Maximum Ratings Parameter AVDD2 to AVSS AVDD3 to AVSS OVDD2 to OVSS Analog Inputs to AVSS Clock Inputs to AVSS Logic Inputs to AVSS (VREFSEL, CLKDIV) Logic Inputs to OVSS (RST, 2SC) VREF TO AVSS Analog Output Currents Logic Output Currents LVDS Output Currents ...

Page 3

... KAD2710L 10-Bit, 275MSPS Analog-to-Digital Converter Electrical Specifications All specifications apply under the following conditions unless otherwise noted: AVDD2 = 1.8V, AVDD3 = 3.3V, OVDD = 1.8V - +85 ° Specifications Parameter Power Requirements 1.8V Analog Supply Voltage 3.3V Analog Supply Voltage 1.8V Digital Supply Voltage 1.8V Analog Supply Current 3 ...

Page 4

... KAD2710L 10-Bit, 275MSPS Analog-to-Digital Converter Analog Specifications Parameter Analog Input Full-Scale Differential Analog Input Voltage Gain Temperature Coefficient Full Power Bandwidth Clock Input Sampling Clock Frequency Range CLKP, CLKN P-P Differential Input Voltage CLKP, CLKN Differential Input Resistance CLKP, CLKN Common-Mode Input Voltage ...

Page 5

... KAD2710L 10-Bit, 275MSPS Analog-to-Digital Converter Digital Specifications Parameter Inputs High Input Voltage (VREFSEL) Low Input Voltage (VREFSEL) Input Current High (VREFSEL) Input Current Low (VREFSEL) High Input Voltage (CLKDIV) Low Input Voltage (CLKDIV) Input Current High (CLKDIV) Input Current Low (CLKDIV) ...

Page 6

... KAD2710L 10-Bit, 275MSPS Analog-to-Digital Converter Timing Diagram Timing Specifications Parameter Aperture Delay RMS Aperture Jitter Input Clock to Data Propagation Delay Input Clock to Output Clock Propagation Delay Output Clock to Data Propagation Delay Output Data to Output Clock Setup Time Output Clock to Output Data Hold Time ...

Page 7

... KAD2710L 10-Bit, 275MSPS Analog-to-Digital Converter Pin Descriptions Pin # 1, 14, 18 10, 19, 21 15, 16 11-13, 29-32, 62, 63 22, 23 26, 45, 61 27, 41, 44 33, 34 35, 36 37, 38 39, 40 42, 43 46, 47 48, 49 50, 51 52, 53 54, 55 56, 57 58, 59 64-66 68 Exposed Paddle Rev 1.1 ...

Page 8

... KAD2710L 10-Bit, 275MSPS Analog-to-Digital Converter Pin Configuration AVDD2 1 AVSS 2 VREF 3 VREFSEL 4 VCM 5 AVDD3 6 AVSS 7 INP 8 INN 9 AVSS 10 DNC 11 DNC 12 DNC 13 AVDD2 14 AVDD3 15 AVDD3 16 CLKDIV 17 Rev 1.1 68 QFN Top View Not to Scale Figure 2. Pin Configuration 51 D6P 50 D6N 49 D5P 48 D5N 47 D4P 46 D4N 45 OVSS ...

Page 9

... KAD2710L 10-Bit, 275MSPS Analog-to-Digital Converter Typical Operating Characteristics AVDD3=3.3V, AVDD2=OVDD2 =1.8V -30 -25 -20 -15 Analog Input Amplitude (V Figure 3. SNR vs. Vin -40 -45 -50 -55 -60 -65 -70 HD2 -75 -80 -85 -90 -30 -25 -20 -15 Analog Input Amplitude (V Figure 5. HD2, 3 vs. Vin 57 56.8 56.6 56.4 56.2 56 55.8 55.6 55.4 55 100 ...

Page 10

... KAD2710L 10-Bit, 275MSPS Analog-to-Digital Converter AVDD3=3.3V, AVDD2=OVDD2 =1.8V 100 150 f (f SAMPLE S Figure 9. SFDR vs 0.8 0.6 0.4 0.2 0 -0.2 -0.4 -0.6 -0 128 256 384 512 code Figure 11. Integral Nonlinearity vs. Output Code 0 -10 -20 -30 -40 -50 -60 -70 -80 -90 -100 Frequency (MHz) Figure 13 ...

Page 11

... KAD2710L 10-Bit, 275MSPS Analog-to-Digital Converter AVDD3 = 3.3V, AVDD2=OVDD2 = 1.8V -10 -20 -30 -40 -50 -60 -70 -80 -90 -100 Frequency (MHz) Figure 15. Output Spectrum at 130.565MHz 0 -10 Vin = -0.36dBFS -20 SNR = 54.1dB -30 SFDR = 56.6dBc -40 SINAD = 51.6dB -50 HD2 = -56.6dBc -60 HD3 = -62.2dBc -70 -80 -90 -100 Frequency (MHz) Figure 17 ...

Page 12

... KAD2710L chips. One option in the latter configuration is to use one KAD2710L's internally generated reference as the Rev 1.1 external reference voltage for the other chips in the system. Additionally, an externally provided refer- ...

Page 13

... ADC or divided by two. Apply- ing a low level will divide by two; 1.8V applied (or left floating) will not divide. Use of the clock divider is optional. The KAD2710L's ADC requires a clock with 50% duty cycle for opti- mum performance. If such a clock is not available, one option is to generate twice the desired sampling Rev 1 ...

Page 14

... KAD2710L 10-Bit, 275MSPS Analog-to-Digital Converter Equivalent Circuits Figure 23. Analog Inputs Figure 24. Clock Inputs OVDD 2mA or 3mA DATA DATA DATA DATA 2mA or 3mA Figure 25. LVDS Outputs Rev 1.1 Layout Considerations Split Ground and Power Planes Data converters operating at high sampling frequen- cies require extra care in PC board layout. Many complex board designs benefit from isolating the analog and digital sections ...

Page 15

... KAD2710L 10-Bit, 275MSPS Analog-to-Digital Converter Definitions Analog Input Bandwidth is the analog input fre- quency at which the spectral output power at the fundamental frequency (as determined by FFT analy- sis) is reduced by 3dB from its full-scale low-frequency value. This is also referred to as Full Power Bandwidth. ...

Page 16

... KAD2710L 10-Bit, 275MSPS Analog-to-Digital Converter Outline Dimensions PIN 1 ID 0.80 DIA A Θ Rev 1.1 D D TOP VIEW e TERMINAL TIP 0.45 0.25 MIN L 0.25 MIN 16Xe SEATING REF. PLANE BOTTOM VIEW E/2 E1 SECTION “C-C” SCALE: NONE D2/2 16Xe E2 REF. E2/2 e Page ...

Page 17

... KAD2710L 10-Bit, 275MSPS Analog-to-Digital Converter Package Dimensions (mm) Ref Min Nom Max A - 0.90 1.00 A1 0.00 0.01 0.05 b 0.18 0.23 0.30 D 10.00 BSC D1 9.75 BSC D2 7.55 7.70 7.85 e 0.50 BSC E 10.00 BSC E1 9.75 BSC E2 7.55 7.70 7.85 L 0.50 0.60 0. Θ 0 12’ 0.42 0.60 Ordering Guide This product is compliant with EU directive 2002/95/EC regarding the Restriction of Hazardous Sub- RoHS stances (RoHS) ...

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