＜Analog IC＞

RT8Ｈ162Ｃ

2-channel comparator with built-in reference voltage

DESCRIPTIONOUTLINE DRAWING

Unit：mm

RT8H162C is equipped with two comparators and an

2.8

internal power supply, and can detect two voltages.
It is possible to detect temperature, overvoltage, etc. with

0.65

1.5

0.65

2.8

The comparator has a hysteresis of approximately 570 mV③

as when a voltage exceeding the absolute maximum rating④0.81

is used.

FEATURE

0.12

also built-in, and it can be used by applying a current, such

⑥1.1to prevent chatter. A power supply voltage clamp circuit is0～0.1

output (OUT1 and OUT2, respectively) is low.

162

voltage (IN1 and IN2) exceeds the reference voltage, the①0.33

Two comparators with an internal power supply of 1.27V as

the reference voltage are built-in, and when the input

0.95 0.95

two systems at the same time.

●Smaller sets and higher density mounting are possible.
●With hysteresis.
●Built-in reference voltage (1.27V) with low temperaturefluctuations.
●Open collector output (40V rating).

PIN LAYOUT①OUT1⑥OUT2②IN2

⑤GND

③IN1

④VCC

APPLICATION●Overvoltage Detection.
●Temperature Detection.
●Signal Detection,etc.

BLOCK DIAGRAM

2400424

＜Analog IC＞

RT8Ｈ162Ｃ

2-channel comparator with built-in reference voltage

ABSOLUTE MAXIMUM RATINGS（Ta=25℃, unless otherwise noted.）
SymbolParameter
Test condition
ICCM
Maximum power supply current
VOUT1,2
Output voltage
VIN1.2
Input voltage
IOUT1,2
Output current
PdInternal power consumption
Ta≧25℃Kθ
Thermal deratingTjJunction temperatureTstg
storage temperature(keep dry)ToprOperating temperature(keep dry)Rating440
VCC+0.3
10200
1.6
150
-40～150-40～150

Unit
mA
VVmAmW
mW/℃℃℃℃

RECOMMENDED OPERATING VOLTAGE RANGE(Ta=25℃, unless otherwise noted.)
SymbolParameter
Rating
VCC
Supply voltage range
3～28Unit
V

ELECTRICAL CHARACTERISTIC（VCC=12V,Ta=25℃, unless otherwise noted.）

SymbolParameter

Test condition

ICC1ICC2
VIN1TH1
VIN1TH2
VIN1TH3
VIN2TH1
VIN2TH2VIN2TH3
IBIN1
IBIN2
Vsat1
Vsat2
ILEAK1ILEAK2
VCM

Circuit current
Detection ircuit current
IN1 pin threshold volage 1
IN1 pin threshold volage 2
IN1 pin hysterisis voltage
IN2 pin threshold volage 1
IN2 pin threshold volage 2
IN2 pin hysterisis voltage
IN1 pin bias current
IN2 pin bias current
Output 1 saturation voltage
Output 2 saturation voltage
Output 1 leakage current
Output 2 leakage current
Maximum current power supply

IN1=IN2=0V
IN1=IN2=2V
OUT:H⇒L
OUT:L⇒H※参考値 計算式：VIN1TH1-VIN1TH2
OUT:H⇒L
OUT:L⇒H※参考値 計算式：VIN2TH1-VIN2TH2
IN1=0.3V
IN2=0.3V
IN1=2V,OUT1=5mA
IN2=2V,OUT2=5mAIN1=0V,OUT1=40V
IN2=0V,OUT2=40V
ICC=2mA

Min
85
250
1.210.65
1.210.65
28

Limit
Typ170
500
1.27
0.70
0.57
1.27
0.70
0.57
0.02
0.02
0.25
0.25
32

Max
255
750
1.33
0.75
1.33
0.75
1.0
1.0
0.5
0.5
1.0
1.039

Unit
uA
uA
V
V
V
V
V
V
uA
uA
V
V
uA
uA
V

Typical Characteristic
Thermal Derating
250

Pd[mW]

200

150

10050

00255075

100

125

150

Ta[℃]

2400424

＜Analog IC＞

RT8Ｈ162Ｃ

2-channel comparator with built-in reference voltage
EXAMPLES OF APPLIED CIRCUITSRvcc
Overvoltage

VCC

OUT1
IN1

OUT2

IN2

GND

<When using a power supply with 28V or higher as VCC.>
Connecting a resistor Rvcc between the VCC pin of this product and the external power supply is necessary, as in theapplication circuit example above.
(The clamp circuit inside this product makes this usage possible.)

2400424

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