ADC1175

SNAS012H – JANUARY 2000 – REVISED APRIL 2013

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CONVERTER ELECTRICAL CHARACTERISTICS (continued)

The following specifications apply for AVDD = DVDD = +5.0VDC, OE = 0V, VRT = +2.6V, VRB = 0.6V, CL = 20 pF, fCLK = 20MHz

at 50% duty cycle. Boldface limits apply for TA = TMIN to TMAX; all other limits TA = 25°C

(1)(2)

Symbol

Parameter

Conditions

Typical(3)

Limits(3)

Units

fIN = 1.31 MHz, VIN = FS - 2 LSB

56

fIN = 4.43 MHz, VIN = FS - 2 LSB

58

SFDR

Spurious Free Dynamic Range

dB

fIN = 9.9 MHz, VIN = FS - 2 LSB

53

fIN = 4.43 MHz, fCLK = 30 MHz

47

fIN = 1.31 MHz, VIN = FS - 2 LSB

−55

fIN = 4.43 MHz, VIN = FS - 2 LSB

−57

THD

Total Harmonic Distortion

dB

fIN = 9.9 MHz, VIN = FS - 2 LSB

−52

fIN = 4.43 MHz, fCLK = 30 MHz

−47

Figure 2.

8

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