MAX6952EPL 데이터 시트보기 (PDF) - Maxim Integrated

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MAX6952EPL

4-Wire Interfaced, 2.7V to 5.5V, 4-Digit 5 ✕ 7 Matrix LED Display Driver

Maxim Integrated 

4-Wire Interfaced, 2.7V to 5.5V,

4-Digit 5 ✕ 7 Matrix LED Display Driver

ABSOLUTE MAXIMUM RATINGS

Voltage (with respect to GND)

V+ .............................................................................-0.3V to +6V

All Other Pins................................................-0.3V to (V+ + 0.3V)

O0–O13 Sink Current ....................................................... 500mA

O14–O23 Source Current .................................................. 50mA

Continuous Power Dissipation (TA = +70°C)

36-Pin SSOP (derate 11.8mW/°C above +70°C) .....941.2mW

40-Pin PDIP (derate 16.7mW/°C above +70°C)........1333mW

Operating Temperature Range (TMIN, TMAX) ......-40°C to +85°C

Junction Temperature ......................................................+150°C

Storage Temperature Range .............................-65°C to +150°C

Lead Temperature (soldering, 10s) .................................+300°C

Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional

operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to

absolute maximum rating conditions for extended periods may affect device reliability.

DC ELECTRICAL CHARACTERISTICS

(Typical operating circuit, V+ = 3.0V to 5.5V, TA = TMIN to TMAX, unless otherwise noted.) (Note 1)

PARAMETER

SYMBOL

CONDITIONS

MIN TYP MAX UNITS

Operating Supply Voltage

V+

2.7

5.5

V

Shutdown Supply Current

ISHDN

Shutdown mode, all

digital inputs at V+ or

GND

TA = TMIN to TMAX

TA = +25°C

100

µA

36

80

Operating Supply Current

All segments on, intensity set to full,

I+

internal oscillator, DOUT open circuit, no

display load connected, blink open circuit

12

16

mA

Master Clock Frequency (OSC

Internal Oscillator)

Master Clock Frequency (OSC

External Oscillator)

fOSC

fOSC

OSC = RC oscillator, RSET = 53.6kΩ,

CSET = 26pF

OSC overdriven externally

4

1

MHz

8

MHz

Dead Clock Protection

Frequency

OSC Internal/External Detection

Threshold

OSC High Time

OSC Low Time

Slow Segment Blink Period

(OSC Internal Oscillator)

Fast Segment Blink Period

(OSC Internal Oscillator)

Fast or Slow Segment Duty

Cycle

Column Drive Source Current

Segment Current Slew Rate

Segment Drive Current

Matching (Within IC)

fOSC

VOSC

tCH

tCL

fSLOWBLINK

fFASTBLINK

ICOLUMN

∆ISEG/∆t

∆ISEG

OSC = RC oscillator, RSET = 53.6kΩ,

CSET = 26pF

OSC = RC oscillator, RSET = 53.6kΩ,

CSET = 26pF

(Note 2)

VLED = 2.4V, V+ = 3.0V, TA = +25°C

TA = +25oC

TA = +25oC

90

kHz

1.7

V

50

ns

50

ns

1

s

0.5

s

49.5

50.5

%

-32

-48

mA

12.5

mA/µs

4

%

2 _______________________________________________________________________________________

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