BA226F datasheet(2/6 Pages) ROHM

2 / 6 page

Standard ICs

BA225 / BA225F / BA235 / BA226 / BA226F / BA236

•Absolute maximum ratings (Ta = 25°C)

Parameter

Symbol

Limits

Unit

Power supply voltage

VCC

Power

dissipation

BA225 / BA226

BA235 / BA236

BA225F / BA226F

800∗1

950∗2

450∗3

Operating temperature

Topr

°C

– 20 ~ + 75

Storage temperature

Tstg

°C

– 55 ~ + 125

∗1 Reduced by 8mW for each increase in Ta of 1°C over 25°C.

∗2 Reduced by 9.5mW for each increase in Ta of 1°C over 25°C.

∗3 Reduced by 4.5mW for each increase in Ta of 1°C over 25°C.

•Electrical characteristics (unless otherwise noted, Ta = 25°C, VCC = 5V)

BA236

Parameter

Symbol Min.

Typ.

Max.

Unit

Conditions

Measurement

circuit

Operating power supply voltage

4.0

5.0

16.0

—

Fig.7

Quiescent current

—

1.5

3.0

—

Fig.7

Timing accuracy

TERR

—

Fig.7

Timing change with power supply

TDS

—

0.5

3.0

5V¨16V

Fig.7

Timing change with temperature

TOT

—

200

—

Fig.7

Trigger voltage

1.0

2.0

3.0

∗2

Fig.7

0.7

1.6

2.5

Trigger current

—

200

µA

Fig.7

Output low level voltage

VOL

—

0.5

1.0

Fig.7

Output high level voltage

VOH

3.0

4.0

—

Fig.7

VCC

R = 100k

Ω, C = 0.1µF∗1

VT = 3.0V (BA225 / BA235)

VT = 2.5V (BA226 / BA226F / BA236)

ppm /

°C

∗1 One-shot cycle T = 0.5 CR

∗2 With input hysteresis (hysteresis width 200 to 600mV)

ISINK = 5mA

ISOURCE = 5mA

•Electrical characteristic curves

"H" output

"L" output

POWER SUPPLY VOLTAGE: VCC (V)

820

Fig. 1 Quiescent current vs. power

supply voltage

2.0

1.0

SINK CURRENT: ISINK (mA)

820

VCC = 5V

Fig. 3 Output voltage (logic 0

side) characteristics

3.2

2.4

VCC = 5V

1.6

0.8

2.8

2.0

1.2

0.4

SOURCE CURRENT: ISOURCE (mA)

820

Fig. 2 Output voltage (logic 1

side) characteristics

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