Datasheet

ManualsBrandsMAXIM INTEGRATED ManualsData collecting ICsData acquisition IC - AD converter (ADC) External , Internal QSOP 16

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OFFSET ERROR vs. SUPPLY VOLTAGE

MAX1067/68 toc17

AV

DD

(V)

OFFSET ERROR (µV)

5.154.85 5.054.95

-150

-100

-50

0

50

100

150

200

-200

4.75 5.25

V

REF

= +4.096V

GAIN ERROR vs. SUPPLY VOLTAGE

MAX1067/68 toc18

AV

DD

(V)

GAIN ERROR (%FSR)

5.154.85 5.054.95

-0.025

-0.020

-0.015

-0.010

-0.005

0

0.005

0.010

0.015

0.020

-0.030

4.75 5.25

V

REF

= +4.096V

MAX1067/MAX1068

Multichannel, 14-Bit, 200ksps Analog-to-Digital

Converters

_______________________________________________________________________________________ 9

OFFSET ERROR vs. TEMPERATURE

MAX1067/68 toc19

TEMPERATURE (

°

C)

OFFSET ERROR (µV)

603510-15

-400

-300

-200

0

-100

100

200

300

400

500

-500

-40 85

V

REF

= +4.096V

GAIN ERROR vs. TEMPERATURE

MAX1067/68 toc20

TEMPERATURE (

°

C)

GAIN ERROR (%FSR)

603510-15

-0.020

-0.015

-0.010

-0.005

0

0.005

0.010

0.015

-0.025

-40 85

V

REF

= +4.096V

CHANNEL-TO-CHANNEL ISOLATION

vs. FREQUENCY

MAX1067/68 toc21

FREQUENCY (kHz)

ISOLATION (dB)

908060 7020 30 40 5010

-100

-90

-80

-70

-60

-50

-40

-30

-20

-10

0

-110

0100

V

REF

= +4.096V

INTERNAL +4.096V REFERENCE VOLTAGE

vs. ANALOG SUPPLY VOLTAGE

MAX1067/68 toc22

AV

DD

(V)

V

REF

(V)

5.155.054.954.85

4.092

4.096

4.100

4.104

4.088

4.75 5.25

DV

DD

= +5V

T

A

= 0

°

C

T

A

= -40

°

C

T

A

= +85

°

C

T

A

= +25

°

C

T

A

= +70

°

C

EXTERNAL REFERENCE INPUT CURRENT

vs. EXTERNAL REFERENCE VOLTAGE

MAX1067/68 toc23

V

REF

(V)

I

REF

(µA)

5.04.52.5 3.0 3.5 4.0

20

40

60

80

100

120

140

160

0

2.0 5.5

V

AIN

= 0

f

SCLK

= 4.8MHz

AV

DD

= DV

DD

= +5V

199ksps, EXTERNAL CLOCK

87.19ksps, INTERNAL CLOCK

INTERNAL REFERENCE VOLTAGE

vs. REF LOAD

MAX1067/68 toc24

I

REF

(mA)

V

REF

(V)

12106 842

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

4.5

0

014

f

SCLK

= 0

INTERNAL REFERENCE MODE

LOAD APPLIED TO REF

C

REF

= 1µF

INTERNAL CLOCK CONVERSION TIME

(8th RISING SCLK TO FALLING EOC)

MAX1067/68 toc25

NUMBER OF SCAN-MODE CONVERSIONS

t

CONV

(ms)

8765432

10

20

30

40

50

60

70

0

1

f

SCLK

= 4.8MHz

8-BIT DATA-TRANSFER MODE

16-BIT DATA-TRANSFER MODE

6

10

12

17

17

24

22

31

28

39

33

46

38

53

44

60

Typical Operating Characteristics (continued)

(AV

DD

= DV

DD

= +5V, f

SCLK

= 4.8MHz, C

DOUT

= 30pF, external V

REF

= +4.096V, T

A

= +25°C, unless otherwise noted.)