MAX11359A datasheet(2/66 Pages) MAXIM

2 / 66 page

16-Bit Data-Acquisition System with ADC, DAC,

UPIOs, RTC, Voltage Monitors, and Temp Sensor

_______________________________________________________________________________________

ABSOLUTE MAXIMUM RATINGS

ELECTRICAL CHARACTERISTICS

(AVDD = DVDD = +1.8V to +3.6V, VREF = +1.25V, external reference, CLK32K = 32.768kHz (external clock), CREG = 10µF, CCPOUT =

10µF, 10µF between CF+ and CF-, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +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.

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

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

AVDD to DVDD ............................................................-4V to +4V

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

CLK32K to DGND ....................................-0.3V to (DVDD + 0.3V)

UPIO_ to DGND........................................................-0.3V to +4V

Digital Inputs to DGND ............................................-0.3V to +4V

Analog Inputs to AGND ...........................-0.3V to (AVDD + 0.3V)

Digital Output to DGND…........................-0.3V to (DVDD + 0.3V)

Analog Outputs to AGND.........................-0.3V to (AVDD + 0.3V)

Continuous Current Into Any Pin.........................................50mA

Continuous Power Dissipation (TA = +70

°C)

40-Pin TQFN (derate 25.6mW/

°C above +70°C) ....2051.3mW

Operating Temperature Range

MAX11359ACTL .................................................0

°C to +70°C

MAX11359AETL...............................................-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

ADC DC ACCURACY

Noise-Free Resolution

Data rate = 10sps, PGA gain = 2;

data rate = 10sps to 60sps, PGA gain = 1;

no missing codes, Table 1 (Note 2)

Bits

Conversion Rate

No missing codes, Table 1

512

sps

Output Noise

No missing codes

Table 1

µVRMS

Integral Nonlinearity

INL

Unipolar mode, AVDD = 3V, PGA gain = 1,

TA = +25

°C, data rate = 50sps

±0.004

%FSR

Uncalibrated

±1.0

Unipolar Offset Error or Bipolar

Zero Error (Note 3)

PGA gain = 1, calibrated,

TA = +25

°C, data rate = 50sps

±0.003

%FSR

Bipolar

±2.0

Unipolar Offset-Error or Bipolar

Zero-Error Temperature Drift

(Note 4)

Unipolar

±10

µV/

°C

Uncalibrated

±0.6

Gain Error (Notes 3, 5)

PGA = 1, calibrated, data rate = 50sps

±0.003

%FSR

Gain-Error Temperature

Coefficient

(Notes 4, 6)

±1.0

ppm/

°C

DC Positive Power-Supply

Rejection Ratio

PSRR

PGA gain = 1, unipolar mode, measured by

full-scale error with AVDD = 1.8V to 3.6V

ADC ANALOG INPUTS (AIN1, AIN2)

DC Input Common-Mode

Rejection Ratio

CMRR

PGA gain = 1, unipolar mode

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