MAX11206 datasheet(6/27 Pages) MAXIM

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6 ______________________________________________________________________________________

20-Bit, Single-Channel, Ultra-Low-Power, Delta-

Sigma ADCs with Programmable Gain and GPIO

Typical Operating Characteristics (continued)

(VAVDD = 3.6V, VDVDD = 1.8V, VREFP - VREFN = 2.5V; internal clock; TA = TMIN to TMAX, unless otherwise noted. Typical values are

at TA = +25NC.)

CMRR vs. FREQUENCY

FREQUENCY (Hz)

10,000

1000

100

-120

-100

-80

-60

-40

-20

-140

100,000

10sps

120sps

PSRR vs. FREQUENCY

(DATA RATE 10sps)

FREQUENCY (Hz)

10,000

1000

100

-120

-100

-80

-60

-40

-20

-140

100,000

DVDD

AVDD

PSRR vs. FREQUENCY

(DATA RATE 120sps)

FREQUENCY (Hz)

10,000

1000

100

-120

-100

-80

-60

-40

-20

-140

100,000

DVDD

AVDD

TUE vs. INPUT VOLTAGE

INPUT VOLTAGE (V)

2.0

1.5

0.5 1.0

-1.5 -1.0 -0.5 0

-2.0

-8

-6

-4

-2

-10

-2.5

2.5

TA = +85°C

TA = -45°C

TA = +25°C

VIN(CM) = 1.8V

INTEGRAL NONLINEARITY

vs. INPUT VOLTAGE

INPUT VOLTAGE (V)

2.0

1.5

0.5 1.0

-1.5 -1.0 -0.5 0

-2.0

-8

-6

-4

-2

-10

-2.5

2.5

TA = +85°C

TA = -45°C

TA = +25°C

VIN(CM) = 1.8V

INTERNAL OSCILLATOR FREQUENCY

vs. AVDD VOLTAGE

AVDD VOLTAGE (V)

3.45

3.15

3.30

3.00

2.85

1.7

1.6

1.8

1.9

2.0

2.1

2.2

2.3

2.4

2.5

2.6

2.7

2.8

2.9

3.0

1.5

2.70

3.60

LINEF = 1

LINEF = 0

INTERNAL OSCILLATOR FREQUENCY

vs. TEMPERATURE

TEMPERATURE (°C)

-5

-25

1.7

1.6

1.8

1.9

2.0

2.1

2.2

2.3

2.4

2.5

2.6

2.7

2.8

2.9

3.0

1.5

-45

VAVDD = 3.0V

LINEF = 1

LINEF = 0

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