Data Sheet
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
FIN = 2MHz
FIN = 8MHz
FIN ≃ FS/2
61.6
61.6
61.6
61.5
61.6
61.6
61.2
61.4
80
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
dBc
60
SNR
Signal to Noise Ratio
FIN = 30MHz
FIN = 2MHz
FIN = 8MHz
FIN ≃ FS/2
60
70
SNDR
SFDR
HD2
Signal to Noise and Distortion Ratio
Spurious Free Dynamic Range
Second order Harmonic Distortion
Third order Harmonic Distortion
FIN = 30MHz
FIN = 2MHz
FIN = 8MHz
FIN ≃ FS/2
81
dBc
72
dBc
FIN = 30MHz
FIN = 2MHz
FIN = 8MHz
FIN ≃ FS/2
80
dBc
-90
-90
-85
-85
-80
-81
-72
-80
9.9
dBc
-80
-70
9.7
dBc
dBc
FIN = 30MHz
FIN = 2MHz
FIN = 8MHz
FIN ≃ FS/2
dBc
dBc
dBc
HD3
dBc
FIN = 30MHz
FIN = 2MHz
FIN = 8MHz
FIN ≃ FS/2
dBc
bits
9.9
bits
ENOB
XTALK
Effective number of Bits
Crosstalk
9.9
bits
FIN = 30MHz
9.9
bits
Signal crosstalk between channels, FIN1
8MHz, FIN0 = 9.9MHz
=
-100
dBc
Power Supply
AIDD
Analog Supply Current
Digital Supply Current
14.4
3.4
mA
mA
mA
DIDD
Digital core supply
2.5V output driver supply, sine wave input,
FIN = 1MHz
5.1
OIDD
Output Driver Supply
2.5V output driver supply, sine wave input,
FIN = 1MHz, CLK_EXT disabled
4.2
mA
Analog Power Dissipation
Digital Power Dissipation
25.9
16.6
mW
mW
OVDD = 2.5V, 5pF load on output bits,
FIN = 1MHz, CLK_EXT disabled
OVDD = 2.5V, 5pF load on output bits,
FIN = 1MHz, CLK_EXT disabled
42.5
mW
Total Power Dissipation
Power Down Dissipation
Sleep Mode 1
9.7
µW
mW
mW
Power Dissipation, Sleep mode one channel
Power Dissipation, Sleep mode both channels
25.7
11.3
Sleep Mode 2
Clock Inputs
Max. Conversion Rate
Min. Conversion Rate
40
MSPS
MSPS
20
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www.cadeka.com
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