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Typical operating characteristics (continued) – Rainbow Electronics MAX1289 User Manual

Page 6

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MAX1286–MAX1289

150ksps, 12-Bit, 2-Channel Single-Ended, and
1-Channel True-Differential ADCs in SOT23

6

_______________________________________________________________________________________

Typical Operating Characteristics (continued)

(V

DD

= +3V, V

REF

= +2.5V for MAX1287/MAX1284. V

DD

= +5V, V

REF

= +4.096V for MAX1286/MAX1288; 0.1µF capacitor at REF,

f

SCLK

= 8MHz (50% duty cycle); AIN- = GND for MAX1288/MAX1289, T

A

= +25°C, unless otherwise noted.)

0

100

50

250

200

150

300

-40

0

20

-20

40

60

80

SHUTDOWN CURRENT

vs. TEMPERATURE

MAX1286-9 toc10

TEMPERATURE (

°

C)

SHUTDOWN CURRENT (nA)

-1.00

-0.40

-0.60

-0.80

0.00

-0.20

0.80

0.60

0.40

0.20

1.00

-40

-20

0

20

40

60

80

OFFSET ERROR

vs. TEMPERATURE

MAX1286-9 toc11

TEMPERATURE (

°

C)

OFFSET ERROR (LSB)

-1.0

-0.6

-0.8

-0.2

-0.4

0.2

0.4

0.6

0.8

0

1.0

2.7

3.7

4.2

3.2

4.7

5.2

OFFSET ERROR

vs. SUPPLY VOLTAGE

MAX1286-9 toc12

V

DD

(V)

OFFSET ERROR (LSB)

-40

0

20

-20

40

60

80

GAIN ERROR

vs. TEMPERATURE

MAX1286-9 toc13

TEMPERATURE (

°

C)

GAIN ERROR (LSB)

-2.0

-1.2

-1.6

-0.4

-0.8

0.4

0.8

1.2

1.6

0

2.0

-2.0

-1.2

-1.6

-0.4

-0.8

0.4

0.8

1.2

1.6

0

2.0

2.7

3.7

4.2

3.2

4.7

5.2

GAIN ERROR

vs. SUPPLY VOLTAGE

MAX1286-9 toc14

V

DD

(V)

GAIN ERROR (LSB)

-140

-120

-100

-80

-60

-40

-20

0

20

0

15k

30k

45k

60k

FFT PLOT (SINAD)

MAX1286-9 toc15

FREQUENCY (Hz)

AMPLITUDE (dB)