MAX1394 datasheet(7/18 Pages) MAXIM

Part #	MAX1394

Description	1.5V to 3.6V, 416ksps, 1-Channel True-Differential/2-Channel Single-Ended, 8-Bit, SAR ADCs

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Manufacturer	MAXIM [Maxim Integrated Products]

Direct Link	https://www.maximintegrated.com/en.html

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7 / 18 page

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7

0

200

600

400

800

0

100

50

150

200 250 300 350

SUPPLY CURRENT

vs. CONVERSION RATE

fSAMPLE (ksps)

fSCLK = 5MHz, fSAMPLE = 417ksps

AIN = FULL SCALE, 100kHz SINE WAVE

CL = 30pF

VDD = VREF = 3.0V

VDD = VREF = 1.6V

400

0

0.1

0.3

0.2

0.4

0.5

1.5

2.1

1.8

2.4

2.7

3.0

3.3

3.6

SHUTDOWN CURRENT

vs. SUPPLY VOLTAGE

VOLTAGE (V)

0

0.4

1.2

0.8

1.6

2.0

-55

5

-25

35

65

95

125

SHUTDOWN SUPPLY CURRENT

vs. TEMPERATURE

TEMPERATURE (

°C)

VDD = 3.6V

VDD = 1.8V

0

30

20

10

40

50

60

70

80

90

100

0

200

100

300

400

500

600

SCLK-TO-DOUT TIMING

CLOAD (pF)

VDD = 1.5V

VDD = 3.6V

-80

-100

-40

-60

-20

0

060

80

20

40

100

120

140

FFT

FREQUENCY (kHz)

VDD = 1.6V

VREF = 1.6V

fS = 417ksps

fIN = 100.4kHz

THD = -79.9dB

SINAD = 49.0dB

SFDR = -71.1dB

-0.3

-0.1

-0.2

0.1

0

0.2

0.3

0

1000

500

1500

2000

2500

SAMPLING ERROR

vs. SOURCE IMPEDANCE

SOURCE IMPEDANCE (

Ω)

AIN HIGH-TO-LOW FS TRANSITION

1.5V to 3.6V, 416ksps, 1-Channel True-Differential/

2-Channel Single-Ended, 8-Bit, SAR ADCs

-400

-300

-200

-100

0

100

200

300

400

0.6

1.6

1.1

2.1

2.5

3.0

3.5

GAIN ERROR vs. REFERENCE VOLTAGE

REFERENCE VOLTAGE (V)

VDD = 3.6V

400

500

600

700

800

SUPPLY CURRENT

vs. SUPPLY VOLTAGE

SUPPLY VOLTAGE (V)

VREF = 1.5V, CL = 33pF

fSCLK = 5MHz, fSAMPLE = 416ksps

AIN = FULL SCALE, 10kHz SINE WAVE

1.5

2.1

1.8

2.4

2.7

3.0

3.3

3.6

600

550

500

450

400

-55

35

-25

5

65

95

125

SUPPLY CURRENT vs. TEMPERATURE

TEMPERATURE (

°C)

VREF = 1.5V, CL = 33pF

fSCLK = 5MHz, fSAMPLE = 416ksps

AIN = FULL SCALE, 10kHz SINE WAVE

Typical Operating Characteristics (continued)

(VDD = +1.6V, VREF = +1.6V, CREF = 0.1µF, CL = 30pF, fSCLK = 5MHz. TA = +25°C, unless otherwise noted.)

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