MAX1228 datasheet(2/24 Pages) MAXIM

Part #	MAX1228

Description	12-Bit 300ksps ADCs with FIFO, Temp Sensor, Internal Reference

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Manufacturer	MAXIM [Maxim Integrated Products]

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12-Bit 300ksps ADCs with FIFO,

Temp Sensor, Internal Reference

2

_______________________________________________________________________________________

ABSOLUTE MAXIMUM RATINGS

ELECTRICAL CHARACTERISTICS

(VDD = +5V ±5%, fSAMPLE = 300kHz, fSCLK = 4.8MHz (50% duty cycle), VREF = 4.096V, TA = TMIN to TMAX, unless otherwise noted.

Typical values are at TA = +25°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.

VDD to GND ..............................................................-0.3V to +6V

CS, SCLK, DIN, EOC, DOUT to GND.........-0.3V to (VDD + 0.3V)

AIN0–AIN13, REF-/AIN_, CNVST/AIN_,

REF+ to GND.........................................-0.3V to (VDD + 0.3V)

Maximum Current into Any Pin............................................50mA

Continuous Power Dissipation (TA = +70°C)

16-Pin QSOP (derate 8.3mW/°C above +70°C)...........667mW

20-Pin QSOP (derate 9.1mW/°C above +70°C)...........727mW

24-Pin QSOP (derate 9.5mW/°C above +70°C)...........762mW

28-Pin QFN 5mm x 5mm

(derate 20.8mW/°C above +70°C) ........................1667mW

Operating Temperature Ranges

MAX12__C__.......................................................0°C to +70°C

MAX12__E__ ....................................................-40°C to +85°C

Storage Temperature Range .............................-60°C to +150°C

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

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

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

DC ACCURACY (Note 1)

Resolution

RES

12

Bits

Integral Nonlinearity

INL

±1.0

LSB

Differential Nonlinearity

DNL

No missing codes over temperature

±1.0

LSB

Offset Error

±0.5

±4.0

LSB

Gain Error

(Note 2)

±0.5

±4.0

LSB

Offset Error Temperature

Coefficient

±2

ppm/°C

FSR

Gain Temperature Coefficient

±0.8

ppm/°C

Channel-to-Channel Offset

Matching

±0.1

LSB

DYNAMIC SPECIFICATIONS (10kHz sine wave input, 4.096VP-P, 300ksps, fSCLK = 4.8MHz)

Signal-to-Noise Plus Distortion

SINAD

70

dB

Total Harmonic Distortion

THD

Up to the 5th harmonic

-82

dBc

Spurious-Free Dynamic Range

SFDR

80

dBc

Intermodulation Distortion

IMD

fin1 = 9.9kHz, fin2 = 10.2kHz

76

dBc

Full-Power Bandwidth

-3dB point

1

MHz

Full-Linear Bandwidth

S / (N + D) > 68dB

25

kHz

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