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CDK2308 Datasheet(PDF) 6 Page - Cadeka Microcircuits LLC.

Part # CDK2308
Description  Dual, 20/40/65/80MSPS, 10-bit Analog-to-Digital Converters
PDF  14 Pages
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Manufacturer  CADEKA [Cadeka Microcircuits LLC.]
Direct Link  http://www.cadeka.com
Logo CADEKA - Cadeka Microcircuits LLC.

CDK2308 Datasheet(HTML) 6 Page - Cadeka Microcircuits LLC.

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©2008 CADEKA Microcircuits LLC
www.cadeka.com
6
PRELIMINARY Data Sheet
Electrical Characteristics - CDK2308A
(AVDD=1.8V, DVDD=1.8V, DVDDCLK=1.8V, OVDD=2.5V, 20MSPS 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
61.7
dBFS
FIN = 8MHz
61.6
dBFS
FIN = FS / 2
61.6
dBFS
FIN = 20MHz
61.6
dBFS
SNDR
Signal to Noise and Distortion Ratio
FIN = 2MHz
61.7
dBFS
FIN = 8MHz
61.6
dBFS
FIN = FS / 2
60.5
dBFS
FIN = 20MHz
61.6
dBFS
SFDR
Spurious Free Dynamic Range
FIN = 2MHz
84.1
dBc
FIN = 8MHz
85.5
dBc
FIN = FS / 2
70.3
dBc
FIN = 20MHz
87.5
dBc
HD2
Second order Harmonic Distortion
FIN = 2MHz
-88.8
dBc
FIN = 8MHz
-89.5
dBc
FIN = FS / 2
-95.9
dBc
FIN = 20MHz
-91.4
dBc
HD3
Third order Harmonic Distortion
FIN = 2MHz
-89.5
dBc
FIN = 8MHz
-90.5
dBc
FIN = FS / 2
-70.3
dBc
FIN = 20MHz
-89.7
dBc
ENOB
Effective number of Bits
FIN = 2MHz
10.0
bits
FIN = 8MHz
9.9
bits
FIN = FS / 2
9.8
bits
FIN = 20MHz
9.9
bits
XTALK
Crosstalk
Signal crosstalk between channels, FIN1 =
8MHz, FIN0 = 9.9MHz
-105
dBc
Power Supply
AIDD
Analog Supply Current
8.2
mA
DIDD
Digital Supply Current
Digital core supply
1.7
mA
OIDD
Output Driver Supply
2.5V output driver supply, sine wave input,
FIN = 1MHz
2.8
mA
2.5V output driver supply, sine wave input,
FIN = 1MHz, CLK_EXT disabled
2.3
mA
Analog Power Dissipation
14.8
mW
Digital Power Dissipation
OVDD = 2.5V, 5pF load on output bits,
FIN = 1MHz, CLK_EXT disabled
8.8
mW
Total Power Dissipation
OVDD = 2.5V, 5pF load on output bits,
FIN = 1MHz, CLK_EXT disabled
23.7
mW
Power Down Dissipation
9.9
µW
Sleep Mode 1
Power Dissipation, Sleep mode one channel
15.2
mW
Sleep Mode 2
Power Dissipation, Sleep mode both channels
7.7
mW
Clock Inputs
Max. Conversion Rate
20
MSPS
Min. Conversion Rate
15
MSPS



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