MAX1289ETA datasheet(2/15 Pages) MAXIM

Part #	MAX1289ETA

Description	150ksps, 12-Bit, 2-Channel Single-Ended, and 1-Channel True-Differential ADCs

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Manufacturer	MAXIM [Maxim Integrated Products]

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150ksps, 12-Bit, 2-Channel Single-Ended, and

1-Channel True-Differential ADCs

2

_______________________________________________________________________________________

ABSOLUTE MAXIMUM RATINGS

ELECTRICAL CHARACTERISTICS

(VDD = +2.7V to +3.6V, VREF = +2.5V for MAX1287/MAX1289, or VDD = +4.75V to +5.25V, VREF = +4.096V for MAX1286/MAX1288,

0.1µF capacitor at REF, fSCLK = 8MHz (50% duty cycle), AIN- = GND for MAX1288/MAX1289. TA = TMIN to TMAX, unless otherwise

noted. Typical values 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

CNVST, SCLK, DOUT to GND....................-0.3V to (VDD + 0.3V)

REF, AIN1 (AIN+), AIN2 (AIN-) to GND......-0.3V to (VDD + 0.3V)

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

Continuous Power Dissipation (TA = +70°C)

8-Pin SOT23 (derate 9.70mW/°C above TA = +70°C) ...696mW

8-Pin TDFN (derate 18.5mW/°C above TA = +70°C) ...1481mW

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

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

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

Soldering Temperature (reflow)

Lead(Pb)-Free Packages...............................................+260°C

Packages Containing Lead(Pb).....................................+240°C

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

DC ACCURACY (Note 1)

Resolution

12

Bits

Relative Accuracy (Note 2)

INL

±1.0

LSB

Differential Nonlinearity

DNL

No missing codes over temperature

±1.0

LSB

Offset Error

±2

±4

LSB

Gain Error (Note 3)

±2

±4

LSB

Gain Temperature Coefficient

±0.4

ppm/

°C

Offset Temperature Coefficient

±0.4

ppm/

°C

Channel-to-Channel Offset Matching

±0.1

LSB

Channel-to-Channel Gain Matching

±0.1

LSB

Input Common-Mode Rejection

CMR

VCM = 0V to VDD; zero scale input

±0.1

mV

DYNAMIC SPECIFICATIONS: (fIN (sine-wave) = 10kHz, VIN = 4.096Vp-p for MAX1286/MAX1288 or VIN = 2.5Vp-p

for MAX1287/MAX1289, 150ksps, fSCLK = 8MHz, (50% duty cycle) AIN- = GND for MAX1288/MAX1289)

Signal to Noise Plus Distortion

SINAD

70

dB

Total Harmonic Distortion

(up to the 5

th harmonic)

THD

-82

dB

Spurious-Free Dynamic Range

SFDR

86

dB

Full-Power Bandwidth

-3dB point

1

MHz

Full-Linear Bandwidth

SINAD > 68dB

100

kHz

CONVERSION RATE

Conversion Time

tCONV

Does not include tACQ

3.7

µs

T/H Acquisition Time

tACQ

1.4

µs

Aperture Delay

30

ns

Aperture Jitter

<50

ps

Maximum Serial Clock Frequency

fSCLK

8

MHz

Duty Cycle

30

70

%

ANALOG INPUT

Unipolar

0

VREF

Input Voltage Range (Note 4)

Bipolar

-VREF /2

VREF/2

V

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