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PDF KAD2708L Data sheet ( Hoja de datos )
| Número de pieza | KAD2708L | |
| Descripción | 350MSPS Analog-to-Digital Converter | |
| Fabricantes | Kenet | |
| Logotipo |  |
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KAD2708L
www.DataSheet4U.com
8-Bit, 350MSPS Analog-to-Digital Converter
Description
The Kenet KAD2708L is the industry’s lowest power, 8-
bit, high performance Analog-to-Digital converter.
The converter runs at sampling rates up to 350MSPS,
and is fabricated with Kenet’s proprietary
FemtoCharge® CMOS technology. Users can now
obtain industry-leading SNR and SFDR specifications
while nearly halving power consumption. Sampling
rates of 275, 210, 170 and 105MSPS are also
available in the same pin-compatible package and
in versions with 10-bit resolution. 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
• SNR of 48.8dB at Nyquist
• SFDR of 64dBc at Nyquist
• Power consumption ≤ 320mW at fS = 350MSPS
Features
• On-chip reference
• Internal track and hold
• 1.5VPP differential input voltage
• 600MHz analog input bandwidth
• Two’s complement or binary output
• Over-range indicator
• Selectable ÷2 Clock Input
• LVDS compatible outputs
Applications
• 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
Resolution, Speed
8 Bits 350MSPS
10 Bits 275MSPS
8 Bits 275MSPS
10 Bits 210MSPS
8 Bits 210MSPS
10 Bits 170MSPS
8 Bits 170MSPS
10 Bits 105MSPS
8 Bits 105MSPS
LVDS Outputs
KAD2708L-35
KAD2710L-27
KAD2708L-27
KAD2710L-21
KAD2708L-21
KAD2710L-17
KAD2708L-17
KAD2710L-10
KAD2708L-10
LVCMOS Outputs
KAD2710C-27
KAD2708C-27
KAD2710C-21
KAD2708C-21
KAD2710C-17
KAD2708C-17
KAD2710C-10
KAD2708C-10
Table 1. Pin-Compatible Products
300 Unicorn Park Dr., Woburn, MA 01801
Sales: 1-781-497-0060
FemtoCharge is a registered trademark of Kenet, Inc.
Rev 1.2
Copyright © 2007, Kenet, Inc.
Page 1 of 17
1 page  
KAD2708L 8-Bit, 350MSPS Analog-to-Digital Converter
www.DataSheet4U.com
Digital Specifications
Parameter
Symbol
Conditions
Min Typ
Inputs
High Input Voltage (VREFSEL) VREFSEL VIH
0.8*AVDD3
Low Input Voltage (VREFSEL) VREFSEL VIL
Input Current High (VREFSEL) VREFSEL IIH VIN = AVDD3
0
1
Input Current Low (VREFSEL)
High Input Voltage (CLKDIV)
VREFSEL IIL VIN = AVSS
CLKDIV VIH
25
0.8*AVDD3
65
Low Input Voltage (CLKDIV) CLKDIV VIL
Input Current High (CLKDIV)
CLKDIV IIH VIN = AVDD3
25
65
Input Current Low (CLKDIV)
High Input Voltage (RST,2SC)
Low Input Voltage (RST,2SC)
CLKDIV IIL
RST,2SC VIH
RST,2SC VIL
VIN = AVSS
0
0.8*OVDD2
1
Input Current High (RST,2SC) RST,2SC IIH VIN = OVDD
0
1
Input Current Low (RST,2SC)
RST,2SC IIL VIN = OVSS
25 50
Input Capacitance
CDI
3
LVDS Outputs
Differential Output Voltage
Output Offset Voltage
VT
VOS
210
1.15
Output Rise Time
Output Fall Time
tR
tF
500
500
Max
Units
0.2*AVDD3
10
75
0.2*AVDD3
75
10
0.2*OVDD2
10
75
V
V
µA
µA
V
V
µA
µA
V
V
µA
µA
pF
mV
V
ps
ps
Rev 1.2
Page 5 of 17
5 Page 
KAD2708L 8-Bit, 350MSPS Analog-to-Digital Converter
AVDwDw3w.=Da3ta.3ShVe,eAt4VU.DcoDm2 = OVDD2 =1.8V, TAMBIENT (TA)= 25°C, fSAMPLE = 350MHz unless noted.
00
-10 Vin = -0.52dBFS
-10
-20 SNR = 47.7dB
-20
-30 SFDR = 68.2dBc
-30
-40 SINAD = 47.6dB
-40
Vin = -0.50dBFS
SNR = 48dB
SFDR = 65.8dBc
SINAD = 47.9dB
-50 HD2 = -81dBc
-60 HD3 = -69dBc
-70
-50 HD2 = -73dBc
-60 HD3 = -67.1dBc
-70
-80 -80
-90 -90
-1000
20 40 60 80 100 120 140 160
Frequency (MHz)
Figure 15. Output Spectrum at 174.905MHz
0
-1000
20 40 60 80 100 120 140 160
Frequency (MHz)
Figure 16. Output Spectrum at 175.105MHz
-10 Vin = 0.50dBFS
-20 SNR = 48.0dB
-30 SFDR = 65.8dBc
-40 SINAD = 46.8dB
HD2 = -73dBc
-50
HD3 = -67.1dBc
-60
-70
-80
-90
-1000
20 40 60 80 100 120 140 160
Frequency (MHz)
Figure 17. Output Spectrum at 492.965MHz
Rev 1.2
Page 11 of 17
11 Page | ||
| Páginas | Total 17 Páginas | |
| PDF Descargar | [ Datasheet KAD2708L.PDF ] | |
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| KAD2708L | 350MSPS Analog-to-Digital Converter | Kenet |
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