BU7253SF-E2 datasheet, PDF - EEWORLD Datasheet

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BU7253SF-E2: DescriptionAnalog Comparators Rectifier Diode; CategoryAnalog mixed-signal IC Amplifier circuit; File Size615KB，28 Pages; ManufacturerROHM Semiconductor; Websitehttps://www.rohm.com/; Environmental Compliance

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BU7253SF-E2 Overview

Analog Comparators Rectifier Diode

BU7253SF-E2 Parametric

Parameter Name	Attribute value
Is it Rohs certified?	conform to
Maker	ROHM Semiconductor
package instruction	LSOP,
Reach Compliance Code	compliant
ECCN code	EAR99
Factory Lead Time	9 weeks
Amplifier type	COMPARATOR
Maximum input offset voltage	11500 µV
JESD-30 code	R-PDSO-G8
length	5 mm
Number of functions	2
Number of terminals	8
Maximum operating temperature	105 °C
Minimum operating temperature	-40 °C
Output type	OPEN-DRAIN
Package body material	PLASTIC/EPOXY
encapsulated code	LSOP
Package shape	RECTANGULAR
Package form	SMALL OUTLINE, LOW PROFILE
Peak Reflow Temperature (Celsius)	NOT SPECIFIED
Nominal response time	750 ns
Maximum seat height	1.61 mm
Supply voltage upper limit	7 V
Nominal supply voltage (Vsup)	3 V
surface mount	YES
technology	CMOS
Temperature level	INDUSTRIAL
Terminal form	GULL WING
Terminal pitch	1.27 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	NOT SPECIFIED
width	4.4 mm

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Datasheet

Comparators

Input Full Swing, Open Drain Output

Low Supply Current CMOS Comparators

BU7250G

BU7250SG BU7253F

BU7253SF

Key Specifications



Operating Supply Voltage:

Single Supply

Split Supply



Supply Current:

BU7250G/BU7250SG

BU7253F/BU7253SF



Temperature Range:

BU7250G/BU7253F

BU7250SG/BU7253SF



Input Offset Current:



Input Bias Current:

+1.8V to +5.5V

±0.9V to ±2.75V

15µA

35µA

-40°C to +85°C

-40°C to +105°C

1pA (Typ)

General Description

BU7250G/BU7253F are low supply current and open

drain output comparators. BU7250SG/BU7253SF have

an expanded operating temperature range. These

features low operating supply voltage of +1.8V to

+5.5V, Low supply current and extremely low input

bias current.

Features



Low Operating Supply Voltage

Low Supply Current

High Speed Operation

Input Full Swing

Open Drain Output Type

Wide Operating Temperature Range

Packages

SSOP5

SOP8

jW(Typ)

x D(Typ) x H(Max)

2.90mm x 2.80mm x 1.25mm

5.00mm x 6.20mm x 1.71mm

Applications



Battery Monitor

Mobile Equipments

Limit Comparator

Consumer Electronics

Pin Configuration

BU7250G, BU7250SG: SSOP5

IN-

VSS

‐

VDD

Pin No.

Pin Name

IN-

VSS

IN+

OUT

VDD

IN+ 3

OUT

BU7253F, BU7253SF: SOP8

Pin No.

OUT1 1

IN1- 2

IN1+ 3

VSS 4

CH1

- +

CH2

+ -

8 VDD

7 OUT2

6 IN2-

5 IN2+

Pin Name

OUT1

IN1-

IN1+

VSS

IN2+

IN2-

OUT2

VDD

○Product

structure：Silicon monolithic integrated circuit

www.rohm.com

TSZ22111½14½001

○This

product has no designed protection against radioactive rays.

1/24

TSZ02201-0RFR1G200450-1-2

4.Dec.2013 Rev.001

BU7250G

BU7250SG BU7253F

BU7253SF

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 (V

)

Indicates the maximum voltage that can be applied between non-inverting and inverting terminals without damaging

the IC.

(3) Input Common-mode Voltage Range (V

ICM

)

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 (P

)

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, P

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 (V

)

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 (I

)

Indicates the difference of input bias current between the non-inverting and inverting terminals.

(3) Input Bias Current (I

)

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 (I

)

Indicates the current that flows within the IC under specified no-load conditions.

(5) Maximum Output Voltage(High) / Maximum Output Voltage(Low) (V

)

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 (A

)

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 (V

ICM

)

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 (I

SOURCE

/ I

SINK

)

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 Fall Time (t

)

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) (t

PLH

/ t

PHL

)

Indicates the time to reach 50% of the output voltage after the step voltage is applied at the input pin.

www.rohm.com

TSZ22111½15½001

5/24

TSZ02201-0RFR1G200450-1-2

4.Dec.2013 Rev.001

BU7253SF-E2 Related Products

	BU7253SF-E2	BU7250SG-TR	BU7250G-TR
Description	Analog Comparators Rectifier Diode	Analog Comparators 30V Nch+Pch Middle Power MOSFET	Analog Comparators
Is it Rohs certified?	conform to	-	conform to
Maker	ROHM Semiconductor	-	ROHM Semiconductor
package instruction	LSOP,	-	LSSOP,
Reach Compliance Code	compliant	-	compliant
ECCN code	EAR99	-	EAR99
Factory Lead Time	9 weeks	-	9 weeks
Amplifier type	COMPARATOR	-	COMPARATOR
Maximum input offset voltage	11500 µV	-	11000 µV
JESD-30 code	R-PDSO-G8	-	R-PDSO-G5
length	5 mm	-	2.9 mm
Number of functions	2	-	1
Number of terminals	8	-	5
Maximum operating temperature	105 °C	-	85 °C
Minimum operating temperature	-40 °C	-	-40 °C
Output type	OPEN-DRAIN	-	OPEN-DRAIN
Package body material	PLASTIC/EPOXY	-	PLASTIC/EPOXY
encapsulated code	LSOP	-	LSSOP
Package shape	RECTANGULAR	-	RECTANGULAR
Package form	SMALL OUTLINE, LOW PROFILE	-	SMALL OUTLINE, LOW PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius)	NOT SPECIFIED	-	NOT SPECIFIED
Nominal response time	750 ns	-	750 ns
Maximum seat height	1.61 mm	-	1.25 mm
Supply voltage upper limit	7 V	-	7 V
Nominal supply voltage (Vsup)	3 V	-	3 V
surface mount	YES	-	YES
technology	CMOS	-	CMOS
Temperature level	INDUSTRIAL	-	INDUSTRIAL
Terminal form	GULL WING	-	GULL WING
Terminal pitch	1.27 mm	-	0.95 mm
Terminal location	DUAL	-	DUAL
Maximum time at peak reflow temperature	NOT SPECIFIED	-	NOT SPECIFIED
width	4.4 mm	-	1.6 mm

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