CDK1303BEMQ80 datasheet(4/9 Pages) CADEKA

Part #	CDK1303BEMQ80

Description	8-bit, 1 GSPS, Flash A/D Converter

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Manufacturer	CADEKA [Cadeka Microcircuits LLC.]

Direct Link	http://www.cadeka.com

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4

Data Sheet

Electrical Characteristics

(TJ = TC = TA = +25°C , VEE = -5.2V, VRB = -2.0V, VRM = -1.0V, VRT = 0.00V, ƒCLK = 1GHz, Duty Cycle=50%,

unless otherwise specified)

cDK1303a

cDK1303B

symbol

parameter

conditions

Min

typ

Max

Min

typ

Max

units

Resolution

8

bits

DC Performance

DLE

Differential Linearity Error(1)

ƒclk = 100MHz

-0.85

+0.95

-0.95

+1.5

LSB

ILE

Integral Linearity Error(1)

ƒclk = 100MHz

-1.0

+1.0

-1.5

+1.5

LSB

No Missing Codes

Guaranteed

Analog Input

Input Voltage Range(1)

VRB

VRT

VRB

VRT

V

Input Bias Current(1)

VIN = 0V

0.75

2.0

0.75

2.0

mA

Input Resistance

15

kΩ

Input Capacitance

Over Full Input Range

15

pF

Input Bandwidth

Small Signal

900

MHz

Large Signal

500

MHz

Offset Error(2)

VRT

-30

+30

-30

+30

mV

Offset Error(2)

VRB

-30

+30

-30

+30

mV

Input Slew Rate

5

V/ns

Clock Synchronous Input Currents

2

μA

Reference Input

Ladder Resistance(1)

60

80

60

80

Ω

Reference Bandwidth

30

MHz

Timing Characteristics

Maximum Sample Rate(1)

1

GHz

Aperture Jitter

2

ps

Acquisition Time

250

ps

CLK to Data Delay(2)

0.9

1.4

1.9

0.9

1.4

1.9

ns

CLK to Data Ready Delay(2)

1.25

1.75

2.25

1.25

1.75

2.25

ns

Dynamic Performance

SNR

Signal-to-Noise Ratio

ƒIN = 50MHz(1)

45

43

dB

ƒIN = 250MHz(1)

43

41

dB

THD

Total Harmonic Distortion

ƒIN = 50MHz(1)

-44

-42

dBc

ƒIN = 250MHz(1)

-36

-34

dBc

SFDR

Spurious Free Dynamic Range

ƒIN = 50MHz(1)

47

43

dB

ƒIN = 250MHz(1)

39

35

dB

SINAD

Signal-to-Noise and Distortion

ƒIN = 50MHz(1)

42

40

dB

ƒIN = 250MHz(1)

35

33

dB

notes:

1. 100% production tested at +25°C.

2. Parameter is guaranteed (but not tested) by design and characterization data.

3. Typical Thermal Impedance:

θJC = +4°C/W.

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CDK1303BEMQ80 Datasheet(PDF) 4 Page - Cadeka Microcircuits LLC.

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