MAX1020BETX datasheet(2/47 Pages) MAXIM

Part #	MAX1020BETX

Description	10-Bit, Multichannel ADCs/DACs with FIFO, Temperature Sensing, and GPIO Ports

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Manufacturer	MAXIM [Maxim Integrated Products]

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10-Bit, Multichannel ADCs/DACs with FIFO,

Temperature Sensing, and GPIO Ports

2

_______________________________________________________________________________________

ABSOLUTE MAXIMUM RATINGS

ELECTRICAL CHARACTERISTICS

(AVDD = DVDD = 2.7V to 3.6V (MAX1021/MAX1023/MAX1057), external reference VREF = 2.5V (MAX1021/MAX1023/MAX1057), AVDD =

DVDD = 4.75V to 5.25V (MAX1020/MAX1022/MAX1058), external reference VREF = 4.096V (MAX1020/MAX1022/MAX1058), fSCLK = 4.8MHz

(50% duty cycle), TA = -40°C to +85°C, unless otherwise noted. Typical values are at AVDD = DVDD = 3V (MAX1021/MAX1023/MAX1057),

AVDD = DVDD = 5V (MAX1020/MAX1022/MAX1058), TA = +25°C. Outputs are unloaded, unless otherwise noted.)

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 +6V

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

DVDD to AVDD .......................................................-3.0V to +0.3V

Digital Inputs to DGND.............................................-0.3V to +6V

Digital Outputs to DGND .........................-0.3V to (DVDD + 0.3V)

Analog Inputs, Analog Outputs and REF_

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

Maximum Current into Any Pin (except AGND, DGND, AVDD,

DVDD, and OUT_) ...........................................................50mA

Maximum Current into OUT_.............................................100mA

Continuous Power Dissipation (TA = +70°C)

36-Pin Thin QFN (6mm x 6mm)

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

48-Pin Thin QFN (7mm x 7mm)

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

Operating Temperature Range ...........................-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

ADC

DC ACCURACY (Note 1)

Resolution

10

Bits

Integral Nonlinearity

INL

±0.5

±1.0

LSB

Differential Nonlinearity

DNL

±0.5

±1.0

LSB

Offset Error

±0.25

±2.0

LSB

Gain Error

(Note 2)

±0.025

±2.0

LSB

Gain Temperature Coefficient

±1.4

ppm/°C

Channel-to-Channel Offset

±0.1

LSB

DYNAMIC SPECIFICATIONS (10kHz sine wave input, VIN = 2.5VP-P (MAX1021/MAX1023/MAX1057), VIN = 4.096VP-P

(MAX1020/MAX1022/MAX1058), 300ksps, fSCLK = 4.8MHz)

Signal-to-Noise Plus Distortion

SINAD

61

dB

Total Harmonic Distortion

(Up to the Fifth Harmonic)

THD

-70

dBc

Spurious-Free Dynamic Range

SFDR

66

dBc

Intermodulation Distortion

IMD

fin1 = 9.9kHz, fin2 = 10.2kHz

72

dBc

Full-Linear Bandwidth

SINAD > 70dB

100

kHz

Full-Power Bandwidth

-3dB point

1

MHz

CONVERSION RATE (Note 3)

External reference

0.8

µs

Power-Up Time

tPU

Internal reference (Note 4)

218

Conversion

Clock

Cycles

Note: If the package power dissipation is not exceeded, one output at a time may be shorted to AVDD, DVDD, AGND, or DGND

indefinitely

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