MAX1135BCAP+【PDF 14/18 页】IC ADC 16BIT 150KSPS 20-SSOP

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Sheet目录2008

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MAX1134/MAX1135

16-Bit ADCs, 150ksps, 3.3V Single Supply

_______________________________________________________________________________________

TIMING CHARACTERISTICS (Figures 5 and 6) (continued)

(AVDD = DVDD = 3.3V ±5%, TA = TMIN to TMAX, unless otherwise noted.)

Note 1: Tested at AVDD = DVDD = 3.3V, bipolar input mode.

Note 2: Relative accuracy is the deviation of the analog value at any code from its theoretical value after the gain error and offset

error have been nullified.

Note 3: Offset nullified.

Note 4: Conversion time is defined as the number of clock cycles multiplied by the clock period; clock has 50% duty cycle. Includes

the acquisition time.

Note 5: Acquisition time is 5 clock cycles in short acquisition mode and 13 clock cycles in long acquisition mode.

Note 6: Performance is limited by the converter’s noise floor, typically 300VP-P.

Note 7: When an external reference has a different voltage than the specified typical value, the full scale of the ADC scales propor-

tionally.

Note 8: Defined as the change in positive full scale caused by a ±5% variation in the nominal supply voltage.

Typical Operating Characteristics

(MAX1134/MAX1135, AVDD = DVDD = 3.3V, fSCLK = 3.6MHz, external clock (50% duty cycle), 24 clocks/conversion (150ksps),

bipolar input, REF = 2.048V, 4.7F on REF, 1F on CREF, TA = +25°C, unless otherwise noted.)

-3

-1

-2

26545

13273

39817 53089 59725

INTEGRAL NONLINEARITY

vs. DIGITAL OUTPUT CODE

MAX1134/35

toc01

DIGITAL OUTPUT CODE

INTEGRAL

NONLINEARITY

(LSB)

-1.0

-0.6

-0.8

-0.2

-0.4

0.2

0.4

0.8

0.6

1.0

13649

27297

40945

54593

61417

DIFFERENTIAL NONLINEARITY

vs. DIGITAL OUTPUT CODE

MX1134/35

toc02

DIGITAL OUTPUT CODE

DIFFERENTIAL

NONLINEARITY

(LSB)

TOTAL SUPPLY CURRENT

vs. TEMPERATURE

MAX1134/35

toc03

TEMPERATURE (

°C)

TOTAL

SUPPLY

CURRENT

(mA)

-20

8.1

8.2

8.3

8.4

8.5

8.6

8.7

8.8

8.9

9.0

8.0

-40

A: AVDD, DVDD = 3.135V

B: AVDD, DVDD = 3.3V

C: AVDD, DVDD = 3.465V

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