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BU5255SHFV 데이터시트 PDF




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기능 Low Supply Current CMOS Comparators
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BU5255SHFV 데이터시트, 핀배열, 회로
Datasheet
Comparators
Input Full Swing, Push-pull Output
Low Supply Current CMOS Comparators
BU5255HFV BU5255SHFV
General Description
BU5255HFV is input full swing, push-pull output CMOS
comparator. BU5255SHFV have an expanded operating
temperature range. These features low operating supply
voltage of +1.8V to +5.5V(single supply), low supply
current and extremely low input bias current.
Features
Low Operating Supply Voltage
Low Supply Current
Input Full Swing
Push-pull Output
Wide Operating Temperature Range(BU5255SHFV)
Low Input Bias Current
Key Specifications
Operating Supply Voltage:
Single Supply
Split Supply
Supply Current:
Temperature Range:
BU5255HFV
BU5255SHFV
Input Offset Current:
Input Bias Current:
+1.8V to +5.5V
±0.9V to ±2.75V
6.5µA(Typ)
-40°C to +85°C
-40°C to +105°C
1pA (Typ)
1pA (Typ)
Packages
HVSOF5
jW(Typ) x D(Typ) x H(Max)
1.60mm x 1.60mm x 0.60mm
Applications
Limit Comparators
Battery Monitor
Multivibrators
Consumer Electronics
Pin Configuration
BU5255HFV, BU5255SHFV: HVSOF5
IN- 1
VSS 2
IN+ 3
-
+
5 VDD
4 OUT
Pin No.
1
2
3
4
5
Pin Name
IN-
VSS
IN+
OUT
VDD
Package
HVSOF5
BU5255HFV
BU5255SHFV
Product structureSilicon monolithic integrated circuit This product has no designed protection against radioactive rays.
www.rohm.com
© 2013 ROHM Co., Ltd. All rights reserved.
TSZ2211114001
1/17
TSZ02201-0RFR1G200420-1-2
21.Oct.2013 Rev.001




BU5255SHFV pdf, 반도체, 판매, 대치품
BU5255HFV BU5255SHFV
Datasheet
Description of Electrical Characteristics
Described below are descriptions of the relevant electrical terms used in this datasheet. Items and symbols used are also
shown. Note that item name and symbol and their meaning may differ from those on another manufacturer’s document or
general document.
1. Absolute Maximum Ratings
Absolute maximum rating items indicate the condition which must not be exceeded. Application of voltage in excess of absolute
maximum rating or use out of absolute maximum rated temperature environment may cause deterioration of characteristics.
(1) Supply Voltage (VDD/VSS)
Indicates the maximum voltage that can be applied between the VDD terminal and VSS terminal without
deterioration or destruction of characteristics of internal circuit.
(2) Differential Input Voltage (VID)
Indicates the maximum voltage that can be applied between non-inverting and inverting terminals without damaging
the IC.
(3) Input Common-mode Voltage Range (VICM)
Indicates the maximum voltage that can be applied to the non-inverting and inverting terminals without deterioration
or destruction of electrical characteristics. Input common-mode voltage range of the maximum ratings does not assure
normal operation of IC. For normal operation, use the IC within the input common-mode voltage range characteristics.
(4) Power Dissipation (PD)
Indicates the power that can be consumed by the IC when mounted on a specific board at the ambient temperature 25°C
(normal temperature). As for package product, PD is determined by the temperature that can be permitted by the IC in
the package (maximum junction temperature) and the thermal resistance of the package.
2. Electrical Characteristics
(1) Input Offset Voltage (VIO)
Indicates the voltage difference between non-inverting terminal and inverting terminals. It can be translated into the
input voltage difference required for setting the output voltage at 0 V.
(2) Input Offset Current (IIO)
Indicates the difference of input bias current between the non-inverting and inverting terminals.
(3) Input Bias Current (IB)
Indicates the current that flows into or out of the input terminal. It is defined by the average of input bias currents at
the non-inverting and inverting terminals.
(4) Supply Current (IDD)
Indicates the current that flows within the IC under specified no-load conditions.
(5) Maximum Output Voltage(High) / Maximum Output Voltage(Low) (VOH/VOL)
Indicates the voltage range of the output under specified load condition. It is typically divided into maximum output
voltage High and low. Maximum output voltage high indicates the upper limit of output voltage. Maximum output
voltage low indicates the lower limit.
(6) Large Signal Voltage Gain (AV)
Indicates the amplifying rate (gain) of output voltage against the voltage difference between non-inverting terminal
and inverting terminal. It is normally the amplifying rate (gain) with reference to DC voltage.
Av = (Output voltage) / (Differential Input voltage)
(7) Input Common-mode Voltage Range (VICM)
Indicates the input voltage range where IC normally operates.
(8) Common-mode Rejection Ratio (CMRR)
Indicates the ratio of fluctuation of input offset voltage when the input common mode voltage is changed. It is
normally the fluctuation of DC.
CMRR = (Change of Input common-mode voltage)/(Input offset fluctuation)
(9) Power Supply Rejection Ratio (PSRR)
Indicates the ratio of fluctuation of input offset voltage when supply voltage is changed.
It is normally the fluctuation of DC.
PSRR= (Change of power supply voltage)/(Input offset fluctuation)
(10) Output Source Current/ Output Sink Current (ISOURCE / ISINK)
The maximum current that can be output from the IC under specific output conditions. The output source current
indicates the current flowing out from the IC, and the output sink current indicates the current flowing into the IC.
(11) Output Rise Time /Output Fall Time (tR/tF)
Indicates the time required for an output voltage step to change from 90% to 10% of its final value.
(12) Propagation Delay Time L to H /Propagation Delay Time H to L (tPLH/tPHL)
Indicates the time to reach 50% of the output voltage after the step voltage is applied at the input pin.
www.rohm.com
© 2013 ROHM Co., Ltd. All rights reserved.
TSZ2211115001
4/17
TSZ02201-0RFR1G200420-1-2
21.Oct.2013 Rev.001

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BU5255SHFV 전자부품, 판매, 대치품
BU5255HFV BU5255SHFV
Typical Performance Curves - continued
BU5255HFV, BU5255SHFV
16
14
-40°C
12
25°C
10
8
85°C
6 105°C
4
2
0
0.0 0.5 1.0 1.5 2.0 2.5 3.0
Output Voltage [V]
Figure 9.
Output Source Current vs Output Voltage
(VDD=3 V)
Datasheet
16
14
12
10
8
5.5V
6
3.0V
4
1.8V
2
0
-50 -25 0 25 50 75 100 125
Ambient Temperature [°C]
Figure 10.
Output Source Current vs Ambient Temperature
(OUT=VDD-0.4V)
20 20
-40°C
15 15
25°C
10
105°C
85°C
5
0
0.0
0.5 1.0 1.5 2.0 2.5
Output Voltage [V]
Figure 11.
Output Sink Current vs Output Voltage
(VDD=3V)
3.0
10
5.5V
3.0V
5
1.8V
0
-50
-25 0 25 50 75 100 125
Ambient Temperature [°C]
Figure 12.
Output Sink Current vs Ambient Temperature
(OUT=VSS+0.4V)
(*)The above characteristics are measurements of typical sample, they are not guaranteed.
BU5255HFV: -40C to +85C BU5255SHFV: -40C to +105C
www.rohm.com
© 2013 ROHM Co., Ltd. All rights reserved.
TSZ2211115001
7/17
TSZ02201-0RFR1G200420-1-2
21.Oct.2013 Rev.001

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BU5255SHFV

Low Supply Current CMOS Comparators

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