MAX1420 查看數據表（PDF） - Maxim Integrated

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MAX1420

12-Bit, 60Msps, 3.3V, Low-Power ADC with Internal Reference

Maxim Integrated 

12-Bit, 60Msps, 3.3V, Low-Power ADC

with Internal Reference

ABSOLUTE MAXIMUM RATINGS

AVDD, DVDD to AGND ..............................................-0.3V to +4V

DVDD, AVDD to DGND..............................................-0.3V to +4V

DGND to AGND.....................................................-0.3V to +0.3V

INP, INN, REFP, REFN, REFIN,

CML, CLK, CLK ....................(AGND - 0.3V) to (AVDD + 0.3V)

D0–D11, OE, PD .....................(DGND - 0.3V) to (DVDD + 0.3V)

Continuous Power Dissipation (TA = +70°C)

48-Pin TQFP (derate 21.7mW/°C above +70°C)........1789mW

Operating Temperature Ranges

MAX1420CCM ....................................................0°C to +70°C

MAX1420ECM .................................................-40°C to +85°C

Maximum Junction Temperature .....................................+150°C

Storage Temperature Range .............................-65°C to +150°C

Lead Temperature (soldering, 10s) .................................+300°C

Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional

operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to

absolute maximum rating conditions for extended periods may affect device reliability.

ELECTRICAL CHARACTERISTICS

(VAVDD = VDVDD = 3.3V, AGND = DGND = 0, VIN = ±1.024V, differential input voltage at -0.5dBFS, internal reference, fCLK =

62.5MHz (50% duty cycle); digital output load CL = 10pF, ≥+25°C guaranteed by production test, <+25°C guaranteed by design and

characterization. Typical values are at TA = +25°C.)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP MAX UNITS

DC ACCURACY

Resolution

Differential Nonlinearity

Integral Nonlinearity

Mid-scale Offset

RES

DNL

INL

MSO

TA = +25°C, no missing codes

TA = TMIN to TMAX

TA = TMIN to TMAX

12

Bits

-1

1

LSB

±0.5

±2

LSB

-3

.75

3

%FSR

Mid-scale Offset Temperature

Coefficient

MSOTC

3 x 10-4

%/°C

Internal reference (Note 1)

-5

±0.1

5

%FSR

Gain Error

External reference applied to REFIN

GE

(Note 2)

-5

±0.2

5

External reference applied to REFP,

CML, and REFN (Note 3)

-1.5

1.5

Gain Error Temperature

Coefficient

GETC

External reference applied to REFP, CML,

and REFN (Note 3)

100 x 106

%/°C

DYNAMIC PERFORMANCE (fCLK = 60MHz, 4096-point FFT)

Signal-to-Noise Ratio

SNR

fIN = 5MHz

fIN = 15MHz, TA =+25°C

Spurious-Free Dynamic Range

SFDR

fIN = 5MHz

fIN = 15MHz, TA =+25°C

Total Harmonic Distortion

THD

fIN = 5MHz

fIN = 15MHz, TA =+25°C

Signal-to-Noise and Distortion

SINAD

fIN = 5MHz

fIN = 15MHz, TA =+25°C

Effective Number of Bits

ENOB

fIN = 5MHz

fIN = 15MHz

Two-Tone

Intermodulation Distortion

IMD

fIN1 = 11.566036MHz,

fIN2 = 13.4119138MHz (Note 4)

67

dB

62

66

72

dBc

64

72

-70

dBc

-69

-62

64.5

dB

58.5

63

10.4

Bits

10.2

-74

dBc

2 _______________________________________________________________________________________

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