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PDF KAD5612P Data sheet ( Hoja de datos )
| Número de pieza | KAD5612P | |
| Descripción | 250/210/170/125MSPS A/D Converter | |
| Fabricantes | Intersil Corporation | |
| Logotipo |  |
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KAD5612P
®
www.DataSheet4U.com
Data Sheet
Dual 12-Bit, 250/210/170/125MSPS A/D
Converter
The KAD5612P is a family of low-power, high-performance,
dual-channel 12-bit, analog-to-digital converters. Designed
with FemtoCharge™ technology on a standard CMOS
process, the family supports sampling rates of up to
250MSPS. The KAD5612P-25 is the fastest member of this
pin-compatible family, which also features sample rates of
210MSPS (KAD5612P-21), 170MSPS (KAD5612P-17) and
125MSPS (KAD5612P-12).
A serial peripheral interface (SPI) port allows for extensive
configurability, as well as fine control of gain, skew and offset
matching between the two converter cores.
Digital output data is presented in selectable LVDS or CMOS
formats. The KAD5612P is available in a 72-contact QFN
package with an exposed paddle. Performance is specified
over the full industrial temperature range (-40°C to +85°C).
CLKP
CLKN
AINP
AINN
VCM
BINP
BINN
SHA
SHA
Clock
Generation
CLKOUTP
CLKOUTN
12-bit
250MSPS
ADC
VREF
Digital
Error
Correction
12-bit
250MSPS
ADC
VREF
1.25V
+
–
SPI
Control
D[11:0]P
D[11:0]N
ORP
ORN
OUTFMT
OUTMODE
December 5, 2008
FN6803.0
Features
• Programmable Gain, Offset and Skew control
• 1.3GHz Analog Input Bandwidth
• 60fs Clock Jitter
• Over-Range Indicator
• Selectable Clock Divider: ÷1, ÷2 or ÷4
• Clock Phase Selection
• Nap and Sleep Modes
• Two’s Complement, Gray Code or Binary Data Format
• DDR LVDS-Compatible or LVCMOS Outputs
• Programmable Built-in Test Patterns
• Single-Supply 1.8V Operation
• Pb-Free (RoHS Compliant)
Applications
• Power Amplifier Linearization
• Radar and Satellite Antenna Array Processing
• Broadband Communications
• High-Performance Data Acquisition
• Communications Test Equipment
• WiMAX and Microwave Receivers
Key Specifications
• SNR = 65.1dBFS for fIN = 124MHz (-1dBFS)
• SFDR = 80dBc for fIN = 124MHz (-1dBFS)
• Power consumption
- 405mW @ 250MSPS
- 324mW @ 125MSPS
Pin-Compatible Family
MODEL
KAD5612P-25
KAD5612P-21
KAD5612P-17
KAD5612P-12
KAD5610P-25
KAD5610P-21
KAD5610P-17
KAD5610P-12
RESOLUTION
12
12
12
12
10
10
10
10
SPEED
(MSPS)
250
210
170
125
250
210
170
125
1 CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774 | Intersil (and design) is a registered trademark of Intersil Americas Inc.
FemtoCharge is a trademark of Kenet Inc. Copyright Intersil Americas Inc. 2008. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.
1 page  
KAD5612P
Electrical Specifications All specifications apply under the following conditions unless otherwise noted: AVDD = 1.8V, OVDD = 1.8V,
www.DataSheet4U.com
TA = -40°C to +85°C (typical specifications at +25°C), AIN = -1dBFS, fSAMPLE = Maximum Conversion Rate
(per speed grade). (Continued)
KAD5612P-25
KAD5612P-21
KAD5612P-17
KAD5612P-12
PARAMETER SYMBOL CONDITIONS MIN TYP MAX MIN TYP MAX MIN TYP MAX MIN TYP MAX UNITS
Signal-to-Noise Ratio
(Note 2)
Signal-to-Noise and
Distortion (Note 2)
Effective Number of
Bits (Note 2)
Spurious-Free
Dynamic Range
(Note 2)
Intermodulation
Distortion (Note 2)
Channel to Channel
Isolation
Word Error Rate
SNR
SINAD
ENOB
SFDR
IMD
WER
fIN = 10MHz
fIN = 70MHz
fIN = 105MHz
fIN = 230MHz
fIN = 400MHz
fIN = 995MHz
fIN = 10MHz
fIN = 70MHz
fIN = 105MHz
fIN = 230MHz
fIN = 400MHz
fIN = 995MHz
fIN = 10MHz
fIN = 70MHz
fIN = 105MHz
fIN = 230MHz
fIN = 400MHz
fIN = 995MHz
fIN = 10MHz
fIN = 70MHz
fIN = 105MHz
fIN = 230MHz
fIN = 400MHz
fIN = 995MHz
fIN = 70MHz
fIN = 170MHz
fIN = 10MHz
fIN = 124MHz
65.2
65.1
62.5 65.1
64.8
64.2
61.4
64
64
62 63.7
63.5
62.2
53.9
10.3
10.3
10 10.3
10.3
10
8.7
84
84
70 80
77
71
57
-90.5
-86
90
90
10-12
65.8
65.7
63.5 65.6
65.7
65.5
65.7
63 65.2
65.2
10.6
10.6
10.2 10.5
10.5
84
83
70 80
76
90
90
10-12
66.2
66.2
64.2 66
66.1
66
65.9
63.7 65.7
65.6
10.7
10.7
10.3 10.6
10.6
85
82
70 80
77
90
90
10-12
66.7
66.6
64.5 66.4
66.3
64.7
60.7
66.4
66.3
64 66
65.8
63.7
53
10.7
10.7
10.3 10.7
10.6
10.3
8.5
85
83
70 80
79
76
54
-96.5
-93
90
90
10-12
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
Bits
Bits
Bits
Bits
Bits
Bits
dBc
dBc
dBc
dBc
dBc
dBc
dBFS
dBFS
dB
dB
Full Power Bandwidth FPBW
1.3 1.3 1.3 1.3 GHz
NOTES:
1. Digital Supply Current is dependent upon the capacitive loading of the digital outputs. IOVDD specifications apply for 10pF load on each digital
output.
2. AC Specifications apply after internal calibration of the ADC is invoked at the given sample rate and temperature. Refer to “Power-On Calibration”
on page 13 and “User-Initiated Reset” on page 14 for more details.
3. The DLL Range setting must be changed for low speed operation. See “Serial Peripheral Interface” on page 18 for more detail.
5 FN6803.0
December 5, 2008
5 Page 
KAD5612P
Typical Performance Curves All Typical Performance Characteristics apply under the following conditions unless otherwise
www.DataSheet4U.com
noted: AVDD = OVDD = 1.8V, TA = +25°C, AIN = -1dBFS, fIN = 105MHz, fSAMPLE = Maximum
Conversion Rate (per speed grade). (Continued)
450 1 .5
400 1
350
300 0 .5
250
200 0
150 -0 .5
100
50 -1
0
40 70 100 130 160 190 220 250
SAMPLE RATE (MSPS)
-1 .5
0
51 2 102 4 1 5 36 20 48 2 56 0 3 0 72 35 8 4 4 09 6
CODE
FIGURE 10. POWER vs fSAMPLE IN 3mA LVDS MODE
FIGURE 11. DIFFERENTIAL NONLINEARITY
2
1 .5
1
0 .5
0
-0 .5
-1
-1 .5
-2
0
51 2 102 4 1 5 36 20 48 2 56 0 3 0 72 35 8 4 4 09 6
CODE
FIGURE 12. INTEGRAL NONLINEARITY
90
85
80
75
70
65
60
55
50
300
SFDR
SNR
400 500 600 700
INPUT COMMON MODE (mV)
FIGURE 13. SNR AND SFDR vs VCM
800
7 0 00 0
6 5 00 0
6 0 00 0
5 5 00 0
5 0 00 0
4 5 00 0
4 0 00 0
3 5 00 0
3 0 00 0
2 5 00 0
2 0 00 0
1 5 00 0
1 0 00 0
5 00 0
0
20 48 20 4 9 205 0 2 05 1 2 05 2 205 3 2 05 4 2 055 2 05 6 2 05 7
CODE
FIGURE 14. NOISE HISTOGRAM
0
A in = -1.1 dBFS
-20 S NR = 65. 1 d BFS
S FDR = 81. 3 dBc
S INA D = 6 5.0 dB FS
-40
-60
-80
-1 00
-1 20
0
2 0 4 0 60 8 0 1 00 1 20
FR EQ U EN CY ( M Hz)
FIGURE 15. SINGLE-TONE SPECTRUM @ 10MHz
11 FN6803.0
December 5, 2008
11 Page | ||
| Páginas | Total 27 Páginas | |
| PDF Descargar | [ Datasheet KAD5612P.PDF ] | |
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