Rainbow-electronics MAX7315 Bedienungsanleitung PDF herunterladen (Seite 2)

MAX7315

8-Port I/O Expander with LED Intensity

Control and Interrupt

2 _______________________________________________________________________________________

ABSOLUTE MAXIMUM RATINGS

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.

Voltage (with respect to GND)

V+ .............................................................................-0.3V to +4V

SCL, SDA, AD0, AD1, AD2, P0–P7 ..........................-0.3V to +6V

INT/O8 .....................................................................-0.3V to +8V

DC Current on P0–P7, INT/O8 ............................................55mA

DC Current on SDA.............................................................10mA

Maximum GND Current ....................................................190mA

Continuous Power Dissipation (T

= +70°C)

16-Pin TSSOP (derate 9.4mW/°C over +70°C) ............754mW

16-Pin QSOP (derate 8.3mW/°C over +70°C)..............666mW

16-Pin QFN (derate 14.7mW/°C over +70°C) ............1176mW

Operating Temperature Range (T

MIN

to T

MAX

)-40°C to +125°C

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

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

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

ELECTRICAL CHARACTERISTICS

(Typical Operating Circuit, V+ = 2V to 3.6V, T

= T

MIN

to T

MAX

, unless otherwise noted. Typical values are at V+ = 3.3V, T

= +25°C.)

(Note 1)

PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS

Operating Supply Voltage V+ 2 3.6 V

Output Load External Supply

Voltage

EXT

0 5.5 V

= +25°C 1.2 2.3

= -40°C to +85°C 2.6

Standby Current

(Interface Idle, PWM Disabled)

S C L and S D A at V + ; other

d i g i tal i np uts at V + or GN D ;

P WM i ntensi ty contr ol d i sab l ed

= T

MIN

to T

MAX

3.3

µA

= +25°C 7 12.1

= -40°C to +85°C 13.5

Supply Current

(Interface Idle, PWM Enabled)

S C L and S D A at V + ; other

d i g i tal i np uts at V + or GN D ;

P WM i ntensi ty contr ol enab l ed

= T

MIN

to T

MAX

14.4

µA

= +25°C4076

= -40°C to +85°C78

Supply Current

(Interface Running, PWM

Disabled)

SCL

= 400kHz; other digital

inputs at V+ or GND; PWM

intensity control disabled

= T

MIN

to T

MAX

µA

= +25°C 51 110

= -40°C to +85°C 117

Supply Current

(Interface Running, PWM

Enabled)

SCL

= 400kHz; other digital

inputs at V+ or GND; PWM

intensity control enabled

= T

MIN

to T

MAX

122

µA

Input High Voltage

SDA, SCL, AD0, AD1, AD2,

P0–P7

0.7 ✕

V+

Input Low Voltage

SDA, SCL, AD0, AD1, AD2,

P0–P7

0.3 ✕

V+

Input Leakage Current

SDA, SCL, AD0, AD1, AD2,

P0–P7

, I

0 ≤ input voltage ≤ 5.5V -0.2 +0.2 µA

Input Capacitance

SDA, SCL, AD0, AD1, AD2,

P0–P7

8pF

1 2 3 4 5 6 7 ... 26 27

Control and Interrupt 1

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