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CDK2308 Datasheet(PDF) 7 Page - Exar Corporation

Part # CDK2308
Description  Dual, 20/40/65/80MSPS, 10-bit Analog-to-Digital Converters
PDF  15 Pages
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Manufacturer  EXAR [Exar Corporation]
Direct Link  http://www.exar.com
Logo EXAR - Exar Corporation

CDK2308 Datasheet(HTML) 7 Page - Exar Corporation

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Data Sheet
©2009-2013 Exar Corporation
7/15
Rev 2B
Electrical Characteristics - CDK2308B
(AVDD = 1.8V, DVDD = 1.8V, DVDDCLK = 1.8V, OVDD = 2.5V, 40MSPS clock, 50% clock duty cycle,
-1dBFS 8MHz input signal, 13-bit output, unless otherwise noted)
Symbol
Parameter
Conditions
Min
Typ
Max
Units
Performance
SNR
Signal to Noise Ratio
FIN = 2MHz
61.6
dBFS
FIN = 8MHz
60
61.6
dBFS
FIN ≃ FS/2
61.6
dBFS
FIN = 30MHz
61.5
dBFS
SNDR
Signal to Noise and Distortion Ratio
FIN = 2MHz
61.6
dBFS
FIN = 8MHz
60
61.6
dBFS
FIN ≃ FS/2
61.2
dBFS
FIN = 30MHz
61.4
dBFS
SFDR
Spurious Free Dynamic Range
FIN = 2MHz
80
dBc
FIN = 8MHz
70
81
dBc
FIN ≃ FS/2
72
dBc
FIN = 30MHz
80
dBc
HD2
Second order Harmonic Distortion
FIN = 2MHz
-90
dBc
FIN = 8MHz
-80
-90
dBc
FIN ≃ FS/2
-85
dBc
FIN = 30MHz
-85
dBc
HD3
Third order Harmonic Distortion
FIN = 2MHz
-80
dBc
FIN = 8MHz
-70
-81
dBc
FIN ≃ FS/2
-72
dBc
FIN = 30MHz
-80
dBc
ENOB
Effective number of Bits
FIN = 2MHz
9.9
bits
FIN = 8MHz
9.7
9.9
bits
FIN ≃ FS/2
9.9
bits
FIN = 30MHz
9.9
bits
XTALK
Crosstalk
Signal crosstalk between channels, FIN1 =
8MHz, FIN0 = 9.9MHz
-100
dBc
Power Supply
AIDD
Analog Supply Current
14.4
mA
DIDD
Digital Supply Current
Digital core supply
3.4
mA
OIDD
Output Driver Supply
2.5V output driver supply, sine wave input,
FIN = 1MHz
5.1
mA
2.5V output driver supply, sine wave input,
FIN = 1MHz, CLK_EXT disabled
4.2
mA
Analog Power Dissipation
25.9
mW
Digital Power Dissipation
OVDD = 2.5V, 5pF load on output bits,
FIN = 1MHz, CLK_EXT disabled
16.6
mW
Total Power Dissipation
OVDD = 2.5V, 5pF load on output bits,
FIN = 1MHz, CLK_EXT disabled
42.5
mW
Power Down Dissipation
9.7
µW
Sleep Mode 1
Power Dissipation, Sleep mode one channel
25.7
mW
Sleep Mode 2
Power Dissipation, Sleep mode both channels
11.3
mW
Clock Inputs
Max. Conversion Rate
40
MSPS
Min. Conversion Rate
20
MSPS



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