CDK2307AILP64 datasheet(6/16 Pages) EXAR

Part #	CDK2307AILP64

Description	Dual, 20/40/65/80MSPS, 12/13-bit Analog-to-Digital Converters

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Manufacturer	EXAR [Exar Corporation]

Direct Link	http://www.exar.com

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6 / 16 page

Data Sheet

6/16

Rev 2C

Electrical Characteristics - CDK2307A

(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

72.5

dBFS

FIN = 8MHz

71.5

72.2

dBFS

FIN ≃ FS/2

72.1

dBFS

FIN = 20MHz

71.6

dBFS

SINAD

Signal to Noise and Distortion Ratio

FIN = 2MHz

72.4

dBFS

FIN = 8MHz

71

72

dBFS

FIN ≃ FS/2

71.7

dBFS

FIN = 20MHz

71.3

dBFS

SFDR

Spurious Free Dynamic Range

FIN = 2MHz

87

dBc

FIN = 8MHz

75

85

dBc

FIN ≃ FS/2

80

dBc

FIN = 20MHz

80

dBc

HD2

Second order Harmonic Distortion

FIN = 2MHz

-90

dBc

FIN = 8MHz

-85

-95

dBc

FIN ≃ FS/2

-95

dBc

FIN = 20MHz

-95

dBc

HD3

Third order Harmonic Distortion

FIN = 2MHz

-87

dBc

FIN = 8MHz

-75

-85

dBc

FIN ≃ FS/2

-80

dBc

FIN = 20MHz

-80

dBc

ENOB

Effective number of Bits

FIN = 2MHz

11.7

bits

FIN = 8MHz

11.5

11.7

bits

FIN ≃ FS/2

11.6

bits

FIN = 20MHz

11.6

bits

XTALK

Crosstalk

Signal crosstalk between channels, FIN1 =

8MHz, FIN0 = 9.9MHz

-105

dB

Power Supply

AIDD

Analog Supply Current

11.6

mA

DIDD

Digital Supply Current

Digital core supply

1.8

mA

OIDD

Output Driver Supply

2.5V output driver supply, sine wave input,

FIN = 1MHz

2.9

mA

2.5V output driver supply, sine wave input,

FIN = 1MHz, CLK_EXT disabled

2.4

mA

Analog Power Dissipation

20.9

mW

Digital Power Dissipation

OVDD = 2.5V, 5pF load on output bits,

FIN = 1MHz, CLK_EXT disabled

9.2

mW

Total Power Dissipation

OVDD = 2.5V, 5pF load on output bits,

FIN = 1MHz, CLK_EXT disabled

30.1

mW

Power Down Dissipation

9.9

µW

Sleep Mode 1

Power Dissipation, Sleep mode one channel

20.5

mW

Sleep Mode 2

Power Dissipation, Sleep mode both channels

9.2

mW

Clock Inputs

Max. Conversion Rate

20

MSPS

Min. Conversion Rate

15

MSPS

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