Rainbow-electronics MAX1208 Uživatelský manuál stáhnout pdf (Strana 2)

MAX1208

12-Bit, 80Msps, 3.3V ADC

2 _______________________________________________________________________________________

ABSOLUTE MAXIMUM RATINGS

ELECTRICAL CHARACTERISTICS

= 3.3V, OV

= 2.0V, GND = 0, REFIN = REFOUT (internal reference), V

= -0.5dBFS, CLKTYP = high, DCE = high, PD = low,

T = low, f

CLK

= 80MHz (50% duty cycle), T

= -40°C to +85°C, unless otherwise noted. Typical values are at T

= +25°C.) (Note 1)

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.

to GND...........................................................-0.3V to +3.6V

to GND........-0.3V to the lower of (V

+ 0.3V) and +3.6V

INP, INN to GND ...-0.3V to the lower of (V

+ 0.3V) and +3.6V

REFIN, REFOUT, REFP, REFN,

COM to GND ......-0.3V to the lower of (V

+ 0.3V) and +3.6V

CLKP, CLKN, CLKTYP, G/T, DCE,

PD to GND ........-0.3V to the lower of (V

+ 0.3V) and +3.6V

D11 Through D0 I.C., DAV, DOR to GND ...-0.3V to (OV

+ 0.3V)

Continuous Power Dissipation (T

= +70°C)

40-Pin Thin QFN 6mm x 6mm x 0.8mm

(derated 26.3mW/°C above +70°C)........................2105.3mW

Operating Temperature Range ...........................-40°C to +85°C

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

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

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

PARAMETER

SYMBOL

CONDITIONS

MIN TYP MAX

UNITS

DC ACCURACY (Note 2)

Resolution 12 Bits

Integral Nonlinearity INL f

= 20MHz

±0.65

LSB

Differential Nonlinearity DNL

= 20MHz, no missing codes over

temperature

-0.83 ±0.35

LSB

Offset Error V

REFIN

= 2.048V

±0.25 ±0.92

%FS

Gain Error V

REFIN

= 2.048V

±1.0 ±5.6

%FS

ANALOG INPUT (INP, INN)

Differential Input Voltage Range V

DIFF

Differential or single-ended inputs

±1.024

Common-Mode Input Voltage

/ 2

PAR

Fixed capacitance to ground 2

Input Capacitance

(Figure 3)

SAMPLE

Switched capacitance 1.9

CONVERSION RATE

Maximum Clock Frequency f

CLK

MHz

Minimum Clock Frequency 5

MHz

Data Latency Figure 6 8.5

Clock

cycles

DYNAMIC CHARACTERISTICS (differential inputs, Note 2)

Small-Signal Noise Floor SSNF Input at less than -35dBFS

-68.8

dBFS

= 3MHz at -0.5dBFS 68.2

= 32.5MHz at -0.5dBFS

65.4

68.2Signal-to-Noise Ratio SNR

= 70MHz at -0.5dBFS 68.0

= 3MHz at -0.5dBFS 68.1

= 32.5MHz at -0.5dBFS

65.2

68.1

Signal-to-Noise and Distortion SINAD

= 70MHz at -0.5dBFS 67.8

1 2 3 4 5 6 7 ... 26 27

12-Bit, 80Msps, 3.3V ADC 1

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