MAX11040GUU+T【PDF 12/35 页】IC ADC 24BIT 4CH 38-TSSOP

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Sheet目录2007

8页 9页 10页 11页 [12页]13页 14页 15页 16页

MAX11040K/MAX11060

24-/16-Bit, 4-Channel, Simultaneous-Sampling,

Cascadable, Sigma-Delta ADCs

Maxim Integrated

ABSOLUTE MAXIMUM RATINGS

ELECTRICAL CHARACTERISTICS

(VAVDD = +3.0V to +3.6V, VDVDD = +2.7V to VAVDD, fXIN CLOCK = 24.576MHz, fOUT = 16ksps, VREFIO = +2.5V (external), CREFIO =

CREF0 = CREF1 = CREF2 = CREF3 = 1μF to AGND, 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 (VAVDD + 0.3V)

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

DIN, SCLK, CS, XIN, SYNC, DRDYIN,

CASCIN to DGND..............................-0.3V to (VDVDD + 0.3V)

DOUT, DRDYOUT, CASCOUT, CLKOUT,

XOUT to DGND..................................-0.3V to (VDVDD + 0.3V)

FAULT, OVRFLW to DGND ...................................-0.3V to +4.0V

AIN_+ to AIN_- ......................................................-6.0V to +6.0V

AIN_ _ to AGND (VAVDD ≥ 3V, VDVDD ≥ 2.7V, FAULTDIS = 0,

SHDN = 0, fXIN CLOCK ≥ 20MHz)......................-6.0V to +6.0V

AIN_ _ to AGND (VAVDD < 3V or VDVDD < 2.7V or FAULTDIS = 1

or SHDN = 1 or fXIN CLOCK < 20MHz) ..............-3.5V to +3.5V

REFIO, REF_ to AGND............................-0.3V to (VAVDD + 0.3V)

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

Continuous Power Dissipation (TA = +70°C)

TSSOP (derated 13.7mW/°C above +70°C)..............1096mW

Operating Temperature Range .........................-40°C to +105°C

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

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

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

Soldering Temperature (reflow) .......................................+260°C

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

DC ACCURACY (Note 2)

MAX11040K

Resolution

MAX11060

Bits

Differential Nonlinearity

DNL

24-bit no missing code (MAX11040K);

16-bit no missing code (MAX11060)

0.1

LSB

TA = +25°C and +105°C (MAX11040K)

0.001

0.004

TA = -40°C (MAX11040K)

0.006

Integral Nonlinearity (Note 3)

INL

MAX11060

0.001

%FS

Offset Error

-1

Gain Error

(Note 4)

-1

%FS

Offset-Error Drift

(Note 5)

0.5

ppm/°C

Gain-Error Drift

(Note 5)

ppm/°C

Change in Gain Error vs. fOUT

fOUT = 0.25ksps to 64ksps

< 0.025

% FS

Channel-to-Channel Gain Matching

0.03

% FS

DYNAMIC SPECIFICATIONS (62.5Hz sine-wave input, 2.17VP-P)

(Note 6) (MAX11040K)

103

106

Signal-to-Noise Ratio

SNR

(Note 6) (MAX11060)

94.5

TA = +25°C and +105°C (MAX11040K)

-94

TA = -40°C (MAX11040K)

-90

Total Harmonic Distortion

THD

MAX11060

-106

TA = +25°C and +105°C (MAX11040K)

TA = -40°C (MAX11040K)

Signal-to-Noise Plus Distortion

SINAD

MAX11060

TA = +25°C and +105°C (MAX11040K)

100

TA = -40°C (MAX11040K)

Spurious-Free Dynamic Range

SFDR

MAX11060

100

0.1%FS input (MAX11040K)

0.25

Relative Accuracy (Note 7)

6.0%FS input (MAX11040K)

0.005

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