MAXQ7665BATM+ datasheet(11/47 Pages) MAXIM

Part #	MAXQ7665BATM+

Description	16-Bit RISC Microcontroller-Based Smart Data-Acquisition Systems

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Manufacturer	MAXIM [Maxim Integrated Products]

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16-Bit RISC Microcontroller-Based

Smart Data-Acquisition Systems

______________________________________________________________________________________

11

Typical Operating Characteristics (continued)

(AVDD = DVDDIO = +5.0V, DVDD = +3.3V, fADCCLK = 8MHz, fADC = 500kHz, TA = +25°C, unless otherwise noted.)

DACOUT OUTPUT LOW VOLTAGE

vs. SINK CURRENT

IOL (mA)

4

3

12

0.1

0.2

0.3

0.5

0.4

0

05

REFDAC = +5V

OUTPUT CODE = 000h

DACOUT LARGE-SIGNAL STEP RESPONSE

(CODE 000h TO FFFh)

MAXQ7665A toc11

4.0µs/div

DACOUT

(1V/div)

REFDAC = +5V

ADC INL vs. OUTPUT CODE

(REFADC = +5V, 142ksps, PGA GAIN = 16)

DIGITAL OUTPUT CODE

1024

0

-1024

-1.0

-0.5

0

0.5

1.0

1.5

-1.5

-2048

2048

BIPOLAR MODE

VIN = -156mV TO +156mV

ADC DNL vs. OUTPUT CODE

(REFADC = +5V, 142ksps, PGA GAIN = 16)

DIGITAL OUTPUT CODE

1024

0

-1024

-0.2

-0.4

-0.6

-0.8

0

0.2

0.4

0.6

0.8

1.0

-1.0

-2048

2048

BIPOLAR MODE

VIN = -156mV TO +156mV

ADC/PGA OFFSET ERROR (GAIN = 16)

vs. TEMPERATURE

TEMPERATURE (°C)

110

95

65 80

-10 5

20 35 50

-25

0.2

0.4

0.6

0.8

1.0

1.2

1.4

1.6

1.8

0

-40

125

ADC/PGA GAIN ERROR (GAIN = 16)

vs. TEMPERATURE

TEMPERATURE (°C)

110

95

80

65

50

35

20

5

-10

-25

0

0.2

0.4

0.6

-0.8

-0.6

-0.4

-0.2

0.8

1.0

-1.0

-40

125

ADC BIPOLAR ZERO-CODE ERROR

vs. TEMPERATURE

TEMPERATURE (°C)

110

95

80

65

50

35

20

5

-10

-25

0.1

0.2

0.3

0.4

0.5

0.6

0

-40

125

ADC/PGA OFFSET ERROR (GAIN = 16)

vs. AVDD SUPPLY VOLTAGE

AVDD (V)

5.15

5.05

4.95

4.85

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

4.5

5.0

0

4.75

5.25

REFADC = AVDD

REFADC = +4.75V

ADC/PGA GAIN ERROR (GAIN = 16)

vs. AVDD SUPPLY VOLTAGE

AVDD (V)

5.15

5.05

4.95

4.85

-0.9

-0.8

-0.7

-0.6

-0.5

-0.4

-0.3

-0.2

-0.1

0

-1.0

4.75

5.25

REFADC = AVDD

REFADC = +4.75V

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MAXQ7665BATM+ Datasheet(PDF) 11 Page - Maxim Integrated Products

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