MAX1069ACUD datasheet(2/20 Pages) MAXIM

2 / 20 page

58.6ksps, 14-Bit, 2-Wire Serial ADC

in a 14-Pin TSSOP

_______________________________________________________________________________________

ABSOLUTE MAXIMUM RATINGS

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

DVDD to DGND.........................................................-0.3V to +6V

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

AGNDS to AGND...................................................-0.3V to +0.3V

AIN, REF, REFADJ to AGND....................-0.3V to (AVDD + 0.3V)

SCL, SDA, ADD_ to DGND.......................................-0.3V to +6V

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

Continuous Power Dissipation (TA = +70°C)

14-Pin TSSOP (derate 9.1mW/°C above +70°C) .........727mW

Operating Temperature Ranges:

MAX1069_CUD ..................................................0°C to +70°C

MAX1069_EUD ................................................-40°C to +85°C

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

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

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

ELECTRICAL CHARACTERISTICS

(AVDD = +4.75V to +5.25V, DVDD = +2.7V to +5.5V, fSCL = 1.7MHz (33% duty cycle), fSAMPLE = 58.6ksps, VREF = +4.096V, external ref-

erence applied to REF, REFADJ = AVDD, CREF = 10µF, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

DC ACCURACY (Note 1)

Resolution

Bits

MAX1069A

±1

MAX1069B

±2

Relative Accuracy

(Note 2)

INL

MAX1069C

±3

LSB

MAX1069A, no missing codes

±1

MAX1069B, no missing codes

±1

Differential Nonlinearity

DNL

MAX1069C, no missing codes

±1

LSB

Offset Error

Offset-Error Temperature

Coefficient

1.0

ppm/

°C

Gain Error

(Note 3)

±0.25

±0.5

%FSR

Gain Temperature Coefficient

0.1

ppm/

°C

DYNAMIC PERFORMANCE (fIN(sine wave) = 1kHz, VIN = VREF(P-P), fSAMPLE = 58.6ksps)

Signal-to-Noise Plus Distortion

SINAD

Total Harmonic Distortion

THD

Up to the 5th harmonic

-99

-86

Spurious-Free Dynamic Range

SFDR

102

Signal-to-Noise Ratio

SNR

Full-Power Bandwidth

FPBW

-3dB point

MHz

Full-Linear Bandwidth

SINAD > 81dB

kHz

CONVERSION RATE (Figure 11)

Fast mode

7.1

7.5

Conversion Time

(SCL Stretched Low)

tCONV

High-speed mode

5.8

µs

Fast mode

Throughput Rate (Note 4)

fSAMPLE

High-speed mode

58.6

ksps

Internal Clock Frequency

fCLK

MHz

Track/Hold Acquisition Time

tACQ

(Note 5)

1100

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