CDK8307CITQ80 datasheet(10/31 Pages) CADEKA

Part #	CDK8307CITQ80

Description	12/13-bit, 20/40/50/65/80MSPS, Eight Channel, Ultra Low Power ADC with LVDS

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Manufacturer	CADEKA [Cadeka Microcircuits LLC.]

Direct Link	http://www.cadeka.com

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10

Data Sheet

Electrical Characteristics

(AVDD = 1.8V, DVDD = 1.8V, OVDD = 1.8V, 50MSPS clock, 50% clock duty cycle, -1dBFS 8MHz input signal, 14-bit output, unless otherwise noted)

Symbol

Parameter

Conditions

Min

Typ

Max

Units

DC Accuracy

No Missing Codes

Guaranteed

Offset Error

Offset error after digital offset cancellation

1

LSB

Gain Error

±6

%FS

Gain Matching

Gain matching between channels. ±3sigma

value at worst case conditions.

±0.5

%FS

DNL

Differential Non-Linearity

12-bit level

±0.2

LSB

INL

Integral Non-Linearity

12-bit level

±0.6

LSB

VCMO

Common Mode Voltage Output

VAVDD/2

V

Analog Input

VCMI

Input Common Mode

Analog input common mode voltage

VCM -0.1

VCM +0.2

V

VFSR

Full Scale Range

Differential input voltage range

2.0

Vpp

Input Capacitance

Differential input capacitance

2

pF

Bandwidth

Input bandwidth

500

MHz

Power Supply

AVDD

Analog Supply Voltage

1.7

1.8

2.0

V

DVDD

Digital Supply Voltage (up to 65MSPS)

Digital and output driver supply voltage

1.7

1.8

2.0

V

Digital Supply Voltage (above 65MSPS)

Digital and output driver supply voltage

1.8

1.9

2.0

V

OVDD

Digital CMOS Input Supply Voltage

1.7

1.8

3.6

V

Electrical Characteristics - CDK8307A

(AVDD = 1.8V, DVDD = 1.8V, OVDD = 1.8V, 20MSPS clock, 50% clock duty cycle, -1dBFS 8MHz input signal, 14-bit output, unless otherwise noted)

Symbol

Parameter

Conditions

Min

Typ

Max

Units

Performance

SNR

Signal to Noise Ratio

FIN = 8MHz

70

72.2

dBFS

FIN = 30MHz

71.5

dBFS

SINAD

Signal to Noise and Distortion Ratio

FIN = 8MHz

69

71.5

dBFS

FIN = 30MHz

70.7

dBFS

SFDR

Spurious Free Dynamic Range

FIN = 8MHz

75

82

dBc

FIN = 30MHz

77

dBc

HD2

Second order Harmonic Distortion

FIN = 8MHz

85

95

dBc

FIN = 30MHz

95

dBc

HD3

Third order Harmonic Distortion

FIN = 8MHz

75

82

dBc

FIN = 30MHz

77

dBc

ENOB

Effective number of Bits

FIN = 8MHz

11.6

bits

FIN = 30MHz

11.5

bits

Crosstalk

See note (1) on page 13

95

dBc

Power Supply

Analog supply current

47

mA

Digital supply current

Digital and output driver supply

54

mA

Analog power Dissipation

84

mW

Digital power Dissipation

97

mW

Total power Dissipation

180

mW

Power Down Dissipation

Power down mode

10

µW

Sleep Mode Dissipation

Deep sleep mode

30

mW

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