ADC08D1000EVAL datasheet(8/31 Pages) NSC

8 / 31 page

Converter Electrical Characteristics (Continued)

[Note: This product is currently in development. As such, the parameters specified in this section are DESIGN TAR-

GETS. The specifications in this section cannot be guaranteed until device characterization has taken place.]

The following specifications apply after calibration for V

A =VDR = +1.9VDC, OutV = 1.9V, VIN FSR (a.c. coupled) = differential

800mV

P-P,CL = 10 pF, Differential, a.c. coupled Sinewave Input Clock, fCLK = 1 GHz at 0.5VP-P with 50% duty cycle, Non-

Extended Control Mode, R

EXT = 3300

Ω ±0.1%, Analog Signal Source Impedance = 100Ω. Boldface limits apply for T

A =

MIN to TMAX. All other limits TA = 25˚C, unless otherwise noted. (Notes 6, 7)

Symbol

Parameter

Conditions

Typical

(Note 8)

Limits

(Note 8)

Units

(Limits)

STATIC CONVERTER CHARACTERISTICS

SINAD

Signal-to-Noise Plus Distortion

Ratio

IN = 100 MHz, VIN = FSR − 0.5 dB

IN = 248 MHz, VIN = FSR − 0.5 dB

TBD

dB (min)

IN = 498 MHz, VIN = FSR − 0.5 dB

TBD

dB (min)

SNR

Signal-to-Noise Ratio

IN = 100 MHz, VIN = FSR − 0.5 dB

IN = 248 MHz, VIN = FSR − 0.5 dB

TBD

dB (min)

IN = 498 MHz, VIN = FSR − 0.5 dB

TBD

dB (min)

THD

Total Harmonic Distortion

IN = 100 MHz, VIN = FSR − 0.5 dB

-57

IN = 248 MHz, VIN = FSR − 0.5 dB

-57

−TBD

dB (max)

IN = 498 MHz, VIN = FSR − 0.5 dB

-57

−TBD

dB (max)

2nd Harm

Second Harmonic Distortion

IN = 100 MHz, VIN = FSR − 0.5 dB

−64

IN = 248 MHz, VIN = FSR − 0.5 dB

−64

IN = 498 MHz, VIN = FSR − 0.5 dB

−64

3rd Harm

Third Harmonic Distortion

IN = 100 MHz, VIN = FSR − 0.5 dB

−64

IN = 248 MHz, VIN = FSR − 0.5 dB

−64

−TBD

IN = 498 MHz, VIN = FSR − 0.5 dB

−64

−TBD

SFDR

Spurious-Free dynamic Range

IN = 100 MHz, VIN = FSR − 0.5 dB

58.5

IN = 248 MHz, VIN = FSR − 0.5 dB

58.5

TBD

dB (min)

IN = 498 MHz, VIN = FSR − 0.5 dB

58.5

TBD

dB (min)

IMD

Intermodulation Distortion

IN1 = 121 MHz, VIN =FSR−7dB

IN2 = 126 MHz, VIN =FSR−7dB

-51

Out of Range Output Code

(In addition to OR Output high)

IN+)−(VIN−) > + Full Scale

255

IN+)−(VIN−) < − Full Scale

ANALOG INPUT AND REFERENCE CHARACTERISTICS

Full Scale Analog Differential Input

Range

FSR pin 14 Low

600

550

P-P (min)

650

P-P (max)

FSR pin 14 High

800

750

P-P (min)

850

P-P (max)

CMI

Analog Input Common Mode

Voltage

CMO

CMO −50

CMO +50

mV (min)

mV (max)

Analog Input Capacitance, normal

operation (Note 10)

Differential

0.02

Each input pin to ground

1.6

Analog Input Capacitance, DES

Mode (Note 10)

Differential

0.8

Each input pin to ground

2.2

Differential Input Resistance

100

Ω (min)

106

Ω (max)

ANALOG OUTPUT CHARACTERISTICS

CMO

Common Mode Output Voltage

1.25

0.95

1.45

V (min)

V (max)

TC V

CMO

Common Mode Output Voltage

Temperature Coefficient

A = −40˚C to +85˚C

118

ppm/˚C

LOAD

CMO

Maximum VCMO load Capacitance

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