Texas Instruments LMC7215IM5/NOPB Bedienungsanleitung


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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
1
FEATURES DESCRIPTION
The LMC7215/LMC7215-Q1/LMC7225 are ultra low
2
(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 VThe 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)
1
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.
PRODUCTION DATA information is current as of publication date. Copyright © 1999–2013, Texas Instruments Incorporated
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, V0.3V
Voltage at Input/Output Pin V++0.3V, V0.3V
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 VCC 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.
2Submit Documentation Feedback Copyright © 1999–2013, Texas Instruments Incorporated
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.
Copyright © 1999–2013, Texas Instruments Incorporated Submit Documentation Feedback 3
Product Folder Links: LMC7215 LMC7225


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