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LMC7215, LMC7225

www.ti.com

SNOS882E – SEPTEMBER 1999 – REVISED MARCH 2013

LMC7215/LMC7215-Q1/LMC7225 Micro-Power, Rail-to-Rail CMOS Comparators with Push-

Pull/Open-Drain Outputs

Check for Samples: ,LMC7215 LMC7225

FEATURES DESCRIPTION

The LMC7215/LMC7215-Q1/LMC7225 are ultra low

(Typical Unless Otherwise Noted)

power comparators with a maximum of 1 A powerμ

• Ultra Low Power Consumption 0.7 Aμsupply current. They are designed to operate over a

• Wide Range of Supply Voltages 2V to 8V wide range of supply voltages, from 2V to 8V.

• Input Common-Mode Range Beyond V+and V−The LMC7215/LMC7215-Q1/LMC7225 have a

• Open Collector and Push-Pull Output greater than rail-to-rail common mode voltage range.

This is a real advantage in single supply applications.

• High Output Current Drive: (@ VS= 5V) 45 mA

The LMC7215 features a push-pull output stage. This

• Propagation Delay (@ VS= 5V, 10 mV

feature allows operation with absolute minimum

Overdrive) 25 sμ

amount of power consumption when driving any load.

• Tiny 5-Pin SOT-23 Package

The LMC7225 features an open drain output. By

• Latch-up Resistance >300 mA connecting an external resistor, the output of the

• LMC7215-Q1 is an Automotive Grade Product comparator can be used as a level shifter to any

that is AEC-Q100 Grade 3 Qualied. desired voltage to as high as 15V.

The LMC7215/LMC7215-Q1/LMC7225 are designed

APPLICATIONS for systems where low power consumption is the

• Laptop Computers critical parameter.

• Mobile Phones Ensured operation over the full supply voltage range

• Metering Systems of 2.7V to 5V and rail-to-rail performance makes this

comparator ideal for battery-powered applications.

• Hand-held Electronics

• RC Timers

• Alarm and Monitoring Circuits

• Window Comparators, Multivibrators

• Automotive

Connection Diagrams

Figure 1. 8-Pin SOIC (Top View) Figure 2. 5-Pin SOT-23 (Top View)

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

2All trademarks are the property of their respective owners.

Products conform to specications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

LMC7215, LMC7225

SNOS882E – SEPTEMBER 1999 – REVISED MARCH 2013

www.ti.com

These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam

during storage or handling to prevent electrostatic damage to the MOS gates.

Absolute Maximum Ratings (1) (2)

ESD Tolerance (3) 2 kV

Dierential Input Voltage V++0.3V, V−−0.3V

Voltage at Input/Output Pin V++0.3V, V−−0.3V

Supply Voltage (V+–V−) 10V

Current at Input Pin ±5 mA

Current at Output Pin (4) ±30 mA

Current at Power Supply Pin 40 mA

Lead Temperature (soldering, 10 sec) 260°C

Storage Temperature Range 65°C to +150°C−

Junction Temperature (5) 150°C

(1) Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for

which the device is intended to be functional, but specic performance is not ensured. For ensured specications and the test

conditions, see the Electrical Characteristics.

(2) If Military/Aerospace specied devices are required, please contact the Texas Instruments Sales Oce/ Distributors for availability and

specications.

(3) Human Body Model, applicable std. MIL-STD-883, Method 3015.7. Machine Model, applicable std. JESD22-A115-A (ESD MM std. of

JEDEC)Field-Induced Charge-Device Model, applicable std. JESD22-C101-C (ESD FICDM std. of JEDEC).

(4) Applies to both single-supply and split-supply operation. Continuous short circuit operation at elevated ambient temperature can result in

exceeding the maximum allowed junction temperature of 150°C.

(5) The maximum power dissipation is a function of T

J(MAX),θJA, and TA. The maximum allowable power dissipation at any ambient

temperature isPD= (TJ(MAX) −TA)/θJA. All numbers apply for packages soldered directly into a PC board.

Operating Ratings (1)

Supply Voltage 2V V≤CC ≤8V

Temperature Range (2) −40°C to +85°C

Package Thermal Resistance (θJA

) 8-Pin SOIC 165°C/W

5-Pin SOT-23 325°C/W

(1) Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for

which the device is intended to be functional, but specic performance is not ensured. For ensured specications and the test

conditions, see the Electrical Characteristics.

(2) The maximum power dissipation is a function of T

J(MAX),θJA, and TA. The maximum allowable power dissipation at any ambient

temperature isPD= (TJ(MAX) −TA)/θJA. All numbers apply for packages soldered directly into a PC board.

2.7V to 5V Electrical Characteristics

Unless otherwise specied, all limits specied for TJ= 25°C, V+= 2.7V to 5V, V−= 0V, VCM = VO= V+/2. limits applyBoldface

at the temperature extremes.

Symbol Parameter Conditions LMC7215 LMC7225 Units

Typ (1)

Limit(2) Limit (2)

1 6 6 mV

VOS Input Oset Voltage 8 8 max

Input Oset Voltage

TCVOS 2 V/°Cμ

Average Drift

IBInput Current 5 fA

IOS Input Oset Current 1 fA

Common Mode dB

CMRR See (3) 80 60 60

Rejection Ratio min

(1) Typical values represent the most likely parametric norm as determined at the time of characterization. Actual typical values may vary

over time and will also depend on the application and conguration. The typical values are not tested and are not specied on shipped

production material.

(2) All limits are specied by testing or statistical analysis.

(3) CMRR measured at V

CM = 0V to 2.5V and 2.5V to 5V when VS= 5V, VCM = 0.2V to 1.35V and 1.35V to 2.7V when V

S= 2.7V. This

eliminates units that have large V

OS at the VCM extremes and low or opposite V

OS at VCM = VS

/2.

Product Folder Links: LMC7215 LMC7225

LMC7215, LMC7225

www.ti.com

SNOS882E – SEPTEMBER 1999 – REVISED MARCH 2013

2.7V to 5V Electrical Characteristics (continued)

Unless otherwise specied, all limits specied for TJ= 25°C, V+= 2.7V to 5V, V−= 0V, VCM = VO= V+/2. limits applyBoldface

at the temperature extremes.

Symbol Parameter Conditions LMC7215 LMC7225 Units

Typ (1)

Limit(2) Limit(2)

Power Supply dB

PSRR V+= 2.2V to 8V 90 60 60

Rejection Ratio min

AVVoltage Gain 140 dB

V+= 2.7V 3.0 2.9 2.9 V

CMRR > 50 dB min2.7 2.7

V+= 2.7V 0.2 0.0 0.0 V−

CMRR > 50 dB max0.2 0.2

Input Common-Mode Voltage

CMVR Range V+= 5.0V 5.3 5.2 5.2 V

CMRR > 50 dB min5.0 5.0

V+= 5.0V 0.3 0.2 0.2 V− − −

CMRR > 50 dB max0.0 0.0

V+= 2.2V 2.05 1.8 NA V

IOH = 1.5 mA min1.7

V+= 2.7V 2.05 2.3 NA V

VOH Output Voltage High IOH = 2.0 mA min2.2

V+= 5.0V 4.8 4.6 NA V

IOH = 4.0 mA min4.5

V+= 2.2V 0.17 0.4 0.4 V

IOH = 1.5 mA max0.5 0.5

V+= 2.7V 0.17 0.4 0.4 V

VOL Output Voltage Low IOH = 2.0 mA max0.5 0.5

V+= 5.0V 0.2 0.4 0.4 V

IOH = 4.0 mA max0.5 0.5

ISC+ Output Short Circuit Current V

+= 2.7V, Sourcing 15 NA mA

(4)

V+= 5.0V, Sourcing 50 NA mA

Output Short Circuit Current V

+= 2.7V, Sinking 12 mA

ISC−(4)

V+= 5.0V, Sinking 30 mA

V+= 2.2V nA

ILeakage Output Leakage Current V

IN+ = 0.1V, VIN−= 0V, 0.01 NA 500 max

VOUT = 15V

V+= 5.0V 0.7 1 1 Aμ

ISSupply Current VIN+ = 5V, VIN−= 0V max1.2 1.2

(4) Do not short the output of the LMC7225 to voltages greater than 10V or damage may occur.

AC Electrical Characteristics

Unless otherwise specied, TJ= 25°C, V+= 5V, V−= 0V, VCM = V+/2

Symbol Parameter Conditions LMC7215 LMC7225 Units

Typ(1) Typ (1) (2)

trise Rise Time Overdrive = 10 mV (2) 1 12.2 sμ

tfall Fall Time Overdrive = 10 mV (2) 0.4 0.35 sμ

(1) Typical values represent the most likely parametric norm as determined at the time of characterization. Actual typical values may vary

over time and will also depend on the application and conguration. The typical values are not tested and are not specied on shipped

production material.

(2) All measurements made at 10 kHz. A 100 k pull-up resistor was used when measuring the LMC7225. CΩLOAD = 50 pF including the test

jig and scope probe. The rise times of the LMC7225 are a function of the R-C time constant.

Product Folder Links: LMC7215 LMC7225

Product specificaties

Merk:	Texas Instruments
Categorie:	Niet gecategoriseerd
Model:	LMC7215IM5/NOPB
Breedte:	1.75 mm
Diepte:	3.05 mm
Hoogte:	1.1 mm
Breedte verpakking:	191 mm
Diepte verpakking:	208 mm
Hoogte verpakking:	35 mm
Soort:	Comparator
Type verpakking:	SOT-23
Aantal per verpakking:	1000 stuk(s)
Temperatuur bij opslag:	-65 - 150 °C
Aantal kanalen:	1 kanalen
Bedrijfstemperatuur (T-T):	-40 - 85 °C
Aantal pinnen:	5
Breedte (met pennen):	3 mm
Diepte (met pennen):	3.05 mm
Hoogte (met pennen):	1.45 mm