MAX6921AQI(2003) 查看數據表（PDF） - Maxim Integrated

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MAX6921AQI
(Rev.:2003)

20-Output, 76V, Serial-Interfaced VFD Tube Drivers

Maxim Integrated 

20-Output, 76V, Serial-Interfaced

VFD Tube Drivers

Typical Operating Characteristics (continued)

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

LOGIC SUPPLY CURRENT (ICC)

vs. TEMPERATURE (OUTPUTS HIGH)

800

VCC = 5V, CLK = 5MHz

750

700

650

600 VCC = 3.3V, CLK = 5MHz

550 VCC = 5V, CLK = IDLE

500

VCC = 3.3V, CLK = IDLE

450

400

-40 -20

0 20 40 60 80 100 120

TEMPERATURE (°C)

OUTPUT VOLTAGE (VBB - VH)

vs. TEMPERATURE (OUTPUT HIGH)

3.5

IOUT = -40mA

3.0

VBB = 8V

2.5

2.0

VBB = 40V

1.5

VBB = 76V

1.0

0.5

0

-40 -20

0 20 40 60 80 100 120

TEMPERATURE (°C)

OUTPUT VOLTAGE

vs. TEMPERATURE (OUTPUT LOW)

14

IOUT = 4mA

12

VBB = 76V

10

VBB = 40V

8

6

VBB = 8V

4

2

0

-40 -20

0 20 40 60 80 100 120

TEMPERATURE (°C)

OUTPUT RISE AND FALL WAVEFORM

MAX6921/31 toc07

BLANK

2V/div

OUT_

20V/div

1µs/div

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