ADC08B200

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SNAS388F – MARCH 2007 – REVISED APRIL 2013

CONVERTER ELECTRICAL CHARACTERISTICS (continued)

The following specifications apply for VA = VD = VP = VDR = +3.3VDC, VRT = +1.9V, VRB = 0.3V, CL = 10 pF, fCLK = 200 MHz at

50% duty cycle, OEDGE/TEN = 1, Buffer and PLL bypassed. Boldface limits apply for TJ = TMIN to TMAX: all other limits TJ =

25°C

(1)(2)

Units

Parameter

Test Conditions

Typ(3)

Limits (3)

(Limits)

Operational

10

µA

OEDGE/TEN

IIH

Logic High Input Current

VIH = VDR = VA = 3.6V

Test Mode

70

µA

Others

10

nA

Operational

−10

µA

OEDGE/TEN

IIL

Logic Low Input Current

VIL = 0V, VDR = VA = 3.0V

Test Mode

−600

µA

Others

−50

nA

CIN

Logic Input Capacitance

3

pF

DIGITAL OUTPUT CHARACTERISTICS

VOH

High Level Output Voltage

VA = VDR = 3.0V, IOH = −5 mA

3.0

2.4

V (min)

VOL

Low Level Output Voltage

VA = VDR = 3.0V, IOL = 5 mA

0.25

0.5

V (max)

COUT

Digital Output Capacitance

2

pF

DYNAMIC PERFORMANCE

fIN = 10 MHz, VIN = FS − 0.25 dB

7.4

Bits

fIN = 49 MHz, VIN = FS − 0.25 dB

7.2

6.8

Bits (min)

ENOB

Effective Number of Bits

fIN = 49 MHz, VIN = FS − 0.25 dB, PLL x8

7.2

Bits

fIN = 100 MHz, VIN = FS − 0.25 dB

7.0

Bits

fIN = 100 MHz, VIN = FS − 0.25 dB, PLL x4

6.9

Bits

fIN = 10 MHz, VIN = FS − 0.25 dB

46

dBc

fIN = 49 MHz, VIN = FS − 0.25 dB

45

42.7

dBc (min)

SINAD

Signal-to-Noise & Distortion

fIN = 49 MHz, VIN = FS − 0.25 dB, PLL x8

45

dBc

fIN = 100 MHz, VIN = FS − 0.25 dB

44

dBc

fIN = 100 MHz, VIN = FS − 0.25 dB, PLL x4

43.4

dBc

fIN = 10 MHz, VIN = FS − 0.25 dB

47

dBc

fIN = 49 MHz, VIN = FS − 0.25 dB

46.3

43.7

dBc (min)

SNR

Signal-to-Noise Ratio

fIN = 49 MHz, VIN = FS − 0.25 dB, PLL x8

45.8

dBc

fIN = 100 MHz, VIN = FS − 0.25 dB

45.6

dBc

fIN = 100 MHz, VIN = FS − 0.25 dB, PLL x4

45.6

\dBc

fIN = 10 MHz, VIN = FS − 0.25 dB

56

dBc

fIN = 49 MHz, VIN = FS − 0.25 dB

56

dBc

SFDR

Spurious Free Dynamic Range fIN = 49 MHz, VIN = FS − 0.25 dB, PLL x8

56

dBc

fIN = 100 MHz, VIN = FS − 0.25 dB

50

dBc

fIN = 100 MHz, VIN = FS − 0.25 dB, PLL x4

49.7

dBc

fIN = 10 MHz, VIN = FS − 0.25 dB

−55

dBc

fIN = 49 MHz, VIN = FS − 0.25 dB

−53

dBc

THD

Total Harmonic Distortion

fIN = 49 MHz, VIN = FS − 0.25 dB, PLL x8

−53

dBc

fIN = 100 MHz, VIN = FS − 0.25 dB

−49

dBc

fIN = 100 MHz, VIN = FS − 0.25 dB, PLL x4

-47.5

dBc

fIN = 10 MHz, VIN = FS − 0.25 dB

−57

dBc

fIN = 49 MHz, VIN = FS − 0.25 dB

−55

dBc

HD2

2nd Harmonic Distortion

fIN = 49 MHz, VIN = FS − 0.25 dB, PLL x8

−55

dBc

fIN = 100 MHz, VIN = FS − 0.25 dB

−50

dBc

fIN = 100 MHz, VIN = FS − 0.25 dB, PLL x4

−49.9

dBc

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