MAX6920_14 datasheet(4/10 Pages) MAXIM

Part #	MAX6920

Description	12-Output, 76V, Serial-Interfaced VFD Tube Driver

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Manufacturer	MAXIM [Maxim Integrated Products]

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

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(VCC = 5.0V, VBB = 76V, and TA = +25°C, unless otherwise noted.)

OUTPUT RISE AND

FALL WAVEFORM

MAX6920 toc11

1µs/div

BLANK

2V/div

OUT_

20V/div

OUTPUT VOLTAGE

vs. TEMPERATURE (OUTPUT LOW)

TEMPERATURE (°C)

100

80

40 60

0

20

-20

2

4

6

8

10

12

14

0

-40

120

VBB = 40V

VBB = 8V

VBB = 76V

IOUT = 4mA

OUTPUT VOLTAGE (VBB - VH)

vs. TEMPERATURE (OUTPUT HIGH)

TEMPERATURE (°C)

100

80

40 60

0

20

-20

0.5

1.0

1.5

2.0

2.5

3.0

3.5

0

-40

120

VBB = 76V

VBB = 40V

VBB = 8V

IOUT = -40mA

SUPPLY CURRENT (ICC)

vs. TEMPERATURE (OUTPUTS HIGH)

TEMPERATURE (°C)

60

10

300

350

400

450

500

550

600

250

-40

110

VCC = 5V, CLK = 5MHz

VCC = 3.3V, CLK = 5MHz

VCC = 5V, CLK = IDLE

VCC = 3.3V, CLK = IDLE

LOGIC SUPPLY CURRENT (ICC)

vs. TEMPERATURE (OUTPUTS LOW)

TEMPERATURE (°C)

100

80

40 60

0

20

-20

50

100

150

200

250

300

350

400

0

-40

120

VCC = 5V, CLK = 5MHz

VCC = 3.3V, CLK = 5MHz

VCC = 5V, CLK = IDLE

VCC = 3.3V, CLK = IDLE

TUBE SUPPLY CURRENT (IBB)

vs. TEMPERATURE (OUTPUTS HIGH)

TEMPERATURE (°C)

100

80

40 60

0

20

-20

0.2

0.4

0.6

0.8

1.0

1.2

1.4

1.6

1.8

2.0

0

-40

120

VBB = 76V

VBB = 40V

VBB = 8V

TUBE SUPPLY CURRENT (IBB)

vs. TEMPERATURE (OUTPUTS LOW)

TEMPERATURE (°C)

110

60

85

10

35

-15

0.2

0.4

0.6

0.8

1.0

1.2

1.4

1.6

1.8

2.0

0

-40

VBB = 76V

VBB = 40V

VBB = 8V

Typical Operating Characteristics

Maxim Integrated │ 4

www.maximintegrated.com

MAX6920

12-Output, 76V, Serial-Interfaced VFD Tube Driver

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