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AS1115

Datasheet - E l e c t r i c a l C h a r a c t e r i s t i c s

6 Electrical Characteristics

VDD = 2.7V to 5.5V, RSET = 9.53k

Ω, typ. values @ TAMB = +25ºC, VDD = 5.0V (unless otherwise specified). All limits are guaranteed. The

parameters with min and max values are guaranteed with production tests or SQC (Statistical Quality Control) methods.

Table 3. Electrical Characteristics

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

TAMB

Operating Temperature Range

-40

+85

°C

TJ

Operating Junction Temperature Range

-40

+125

°C

VDD

Operating Supply Voltage

2.7

5.5

V

IDDSD

Shutdown Supply Current

All digital inputs at VDD or GND,

TAMB = +25ºC

0.2

2

A

single digit, TAMB = +85ºC

4

A

IDD

Operating Supply Current

RSET = open circuit.

0.35

0.6

mA

All segments and decimal point on;

ISEG = -40mA.

335

fOSC

Display Scan Rate

8 digits scanned

0.48

0.96

kHz

IDIGIT

Digit Drive Sink Current

VOUT = 0.65V

320

mA

ISEG

Segment Drive Source Current

VDD = 5.0V, VOUT = (VDD -1V)

-35

-41

-47

mA

∆ISEG

Segment Drive Current Matching

3

%

ISEG

Segment Drive Source Current

Average Current

47

mA

Table 4. Logic Inputs/Outputs Characteristics

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

IIH, IIL

Input Current SDA, SCL

VIN = 0V or VDD

-1

1

A

VIH

Logic High Input Voltage SDA, SCL

0.7xVDD

V

VIL

Logic Low Input Voltage SDA, SCL

0.3xVDD

V

VOL(SDA)

SDA Output Low Voltage

ISINK = 3mA

0.4

V

VKEYopen

Keyscan Open Input Voltage

0.8xVDD

V

VKEYshort

Keyscan Short Input Voltage

0.7x VDD

V

VOL(IRQ)

Interrupt Output Low Voltage

ISINK = 3mA

0.4

V

∆VI

Hysteresis Voltage

DIN, CLK, LD/CS

1

V

CB

Capacitive Load for each Bus Line

550

pF

Open Detection Level Threshold

0.7x

VDD

0.75x

VDD

0.8x

VDD

V

Short Detection Level Threshold

0.05x

VDD

0.1x

VDD

0.15x VDD

V