MAX4821 datasheet(4/13 Pages) MAXIM

Part #	MAX4821

Description	3.3V/5V, 8-Channel, Cascadable Relay Drivers with Serial/Parallel Interface

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Manufacturer	MAXIM [Maxim Integrated Products]

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4 / 13 page

+3.3V/+5V, 8-Channel, Cascadable Relay Drivers

with Serial/Parallel Interface

4

_______________________________________________________________________________________

Typical Operating Characteristics

(VCOM = VCC, TA = -40°C to +85°C, unless otherwise noted. Typical values are at TA = +25°C.)

SUPPLY CURRENT

vs. SUPPLY VOLTAGE

SUPPLY VOLTAGE (V)

5.1

4.7

4.3

3.9

3.5

3.1

2.7

5

10

15

20

25

0

2.3

5.5

ALL LOGIC INPUTS = 0

SUPPLY CURRENT

vs. TEMPERATURE

TEMPERATURE (

°C)

60

35

10

-15

5

10

15

20

25

0

-40

85

VCC = 5V

VCC = 5.5V

VCC = 2.3V

VCC = 3.3V

SUPPLY CURRENT

vs. INPUT LOGIC VOLTAGE

INPUT LOGIC VOLTAGE (V)

4

3

2

1

100

200

300

400

500

600

700

800

900

1000

0

05

VCC = 3.3V

VCC = 5V

ALL LOGIC INPUTS

CONNECTED

ON-RESISTANCE

vs. SUPPLY VOLTAGE

SUPPLY VOLTAGE (V)

5.1

4.7

4.3

3.9

3.5

3.1

2.7

0.5

1.0

1.5

2.0

2.5

3.0

0

2.3

5.5

IOUT_SINK = 70mA

ON-RESISTANCE

vs. TEMPERATURE

TEMPERATURE (

°C)

60

35

10

-15

0.5

1.0

1.5

2.0

2.5

3.0

0

-40

85

VCC = 3.3V

VCC = 2.3V

VCC = 5.5V

VCC = 5V

IOUT_SINK = 70mA

POWER-ON RESET VOLTAGE

vs. TEMPERATURE

TEMPERATURE (

°C)

60

35

-15

10

0.25

0.50

0.75

1.00

1.25

1.50

1.75

2.00

0

-40

85

OUTPUT OFF-LEAKAGE CURRENT

vs. SUPPLY VOLTAGE

SUPPLY VOLTAGE (V)

5.1

4.7

3.9

4.3

3.1

3.5

2.7

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1.0

0

2.3

5.5

OUTPUT OFF-LEAKAGE CURRENT

vs. TEMPERATURE

TEMPERATURE (

°C)

60

35

-15

10

0.25

0.50

0.75

1.00

1.25

1.50

1.75

2.00

0

-40

85

VCC = 5.5V

VCC = 5V

VCC = 2.3V

VCC = 3.3V

OUT_ TURN-ON/TURN-OFF DELAY TIMES

vs. SUPPLY VOLTAGE

SUPPLY VOLTAGE (V)

5.1

4.7

4.3

3.9

3.5

3.1

2.7

30

40

50

60

70

80

20

2.3

5.5

RL = 50

Ω

CL = 50pF

tON

tOFF

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