MAX11156 datasheet(6/27 Pages) MAXIM

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MAX11156

18-Bit, 500ksps, ±5V SAR ADC

with Internal Reference in TDFN

www.maximintegrated.com

Typical Operating Characteristics

(VDD = 5V, VOVDD = 3.3V, fSAMPLE = 500kHz, VREF = 4.096V, Reference Mode 3, TA = +25NC, unless otherwise noted.)

Note 2: Maximum and minimum limits are fully production tested over specified supply voltage range and at a temperature of +25°C

and +85°C. Limits below +25°C are guaranteed by design and device characterization. Typical values are not guaranteed.

Note 3: See the Analog Inputs and Overvoltage Input Clamps sections.

Note 4: See the Definitions section.

Note 5: Defined as the change in positive full-scale code transition caused by a Q5% variation in the VDD supply voltage.

Note 6: 10kHz sine wave input, -0.1dB below full scale.

Note 7: See Table 4 for definition of the reference modes.

Note 8: fIN1 = 9.4kHz, fIN2 = 10.7kHz, Each tone at -6.1dB below full scale.

Note 9: CLOAD = 65pF on DOUT.

Electrical Characteristics (continued)

(VDD = 4.75V to 5.25V, VOVDD = 2.3V to 5.25V, fSAMPLE = 500kHz, VREF = 4.096V, Reference Mode 3; TA = TMIN to TMAX, unless

otherwise noted. Typical values are at TA = +25NC.) (Note 2)

OFFSET AND GAIN ERROR

vs. TEMPERATURE

TEMPERATURE (°C)

-15

-10

-5

-20

-40

OFFSET ERROR (LSB)

GAIN ERROR (LSB)

AVERAGE OF 128 DEVICES

OFFSET AND GAIN ERROR

vs. SUPPLY VOLTAGE

VDD (V)

5.15

5.05

4.85

4.95

-15

-10

-5

-20

4.75

5.25

OFFSET ERROR (LSB)

GAIN ERROR (LSB)

AVERAGE OF 128 DEVICES

OUTPUT NOISE HISTOGRAM WITH

INPUT CONNECTED TO GND

OUTPUT CODE (DECIMAL)

131071

131067

131073

131077

131075

500

1000

1500

2000

2500

3000

3500

4000

4500

5000

131079

131069

131065

SINGLE DEVICE

INTEGRAL NONLINEARITY vs. CODE

OUTPUT CODE (DECIMAL)

229376

196608

32768

65536

98304

131072

163840

-3

-2

-1

-4

262144

SINGLE DEVICE

INL vs. TEMPERATURE

TEMPERATURE (°C)

-15

-6

-4

-2

-8

-40

MAX INL

MIN INL

AVERAGE OF 128 DEVICES

INL vs. VDD SUPPLY VOLTAGE

VDD (V)

5.15

5.05

4.85

4.95

-6

-4

-2

-8

4.75

5.25

MAX INL

MIN INL

AVERAGE OF 128 DEVICES

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