MAX3107 datasheet(11/52 Pages) MAXIM

Part #	MAX3107

Description	SPI/I2C UART with 128-Word FIFOs and Internal Oscillator

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Manufacturer	MAXIM [Maxim Integrated Products]

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______________________________________________________________________________________ 11

SPI/I2C UART with 128-Word FIFOs

and Internal Oscillator

Typical Operating Characteristics

(VA = 2.5V, VL = 2.5V, VEXT = 2.5V, LDOEN = VL, TA = +25NC, unless otherwise noted.)

GPIO_ OUTPUT LOW VOLTAGE

vs. SINK CURRENT (OPEN DRAIN)

VOL (V)

2

1

5

10

15

20

25

30

35

0

3

VEXT = 3.3V

VEXT = 2.5V

GPIO_ OUTPUT HIGH VOLTAGE

vs. SOURCE CURRENT (PUSH-PULL)

VOH (V)

3.0

2.5

2.0

1.5

1.0

0.5

5

10

15

20

25

30

35

0

3.5

VEXT = 3.3V

VEXT = 2.5V

INTERNAL OSCILLATOR FREQUENCY

DEVIATION vs. VA VOLTAGE

VA (V)

3.35

3.10

2.60

2.85

-0.3

-0.2

-0.1

0

0.2

0.1

0.3

0.4

-0.4

2.35

3.60

IA SUPPLY CURRENT vs. PLL FREQUENCY

PLL FREQUENCY (MHz)

2.25

2.50

2.75

3.00

3.25

3.50

3.75

4.00

4.25

4.50

4.75

5.00

5.25

5.50

5.75

2.00

10

100

PLL = x48

PLL = x96

PLL = x144

IA SUPPLY CURRENT vs. TEMPERATURE

TEMPERATURE (°C)

60

35

10

-15

20

40

60

80

100

120

140

0

-40

85

EXTERNAL 3.6MHz CLOCK

BAUD RATE = 115kbps

VA = 3.3V

VA = 2.5V

IA SUPPLY CURRENT vs. VA VOLTAGE

(EXTERNAL CRYSTAL, PLL ENABLED)

VA (V)

3.35

3.10

2.60

2.85

0.925

0.950

0.975

1.000

1.050

1.025

1.075

1.100

0.900

2.35

3.60

3.686MHz EXT. CRYSTAL

BAUD RATE = 115kbps

6x PLL MULT.FACTOR

LDOEN = VL

LDOEN = AGND

1.8V APPLIED TO V18

IA SUPPLY CURRENT vs. VA VOLTAGE

(INTERNAL CLOCK, PLL ENABLED)

VA (V)

3.35

3.10

2.85

2.60

2.7

2.9

3.1

3.3

3.5

3.7

3.9

4.1

4.3

2.5

2.35

3.60

BAUD RATE = 115kbps

6x PLL MULT.FACTOR

LDOEN = VL

LDOEN = AGND

1.8V APPLIED TO V18

IA SUPPLY CURRENT vs. VA VOLTAGE

(EXTERNAL CLOCK, PLL ENABLED)

VA (V)

3.35

3.10

2.85

2.60

2.2

2.4

2.6

2.8

3.0

3.2

3.4

3.6

3.8

2.0

2.35

3.60

EXTERNAL 614kHz CLOCK

BAUD RATE = 115kbps

6x PLL MULT.FACTOR

LDOEN = VL

LDOEN = AGND

1.8V APPLIED TO V18

IA SUPPLY CURRENT vs. VA VOLTAGE

(EXTERNAL CLOCK, PLL DISABLED)

VA (V)

3.35

3.10

2.85

2.60

20

40

60

80

100

120

140

0

2.35

3.60

EXTERNAL 3.6MHz CLOCK

BAUD RATE = 115kbps

LDOEN = VL

LDOEN = AGND

1.8V APPLIED TO V18

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