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LMC6494 Datasheet Preview

LMC6494 Datasheet

Quad CMOS Operational Amplifier

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LMC6492, LMC6494
www.ti.com
SNOS724D – AUGUST 2000 – REVISED MARCH 2013
LMC6492 Dual/LMC6494 Quad CMOS Rail-to-Rail Input and Output Operational Amplifier
Check for Samples: LMC6492, LMC6494
FEATURES
1
2(Typical Unless Otherwise Noted)
• Rail-to-Rail Input Common-Mode Voltage
Range, Ensured Over Temperature
• Rail-to-Rail Output Swing within 20 mV of
Supply Rail, 100 kΩ Load
• Operates from 5V to 15V Supply
• Excellent CMRR and PSRR 82 dB
• Ultra Low Input Current 150 fA
• High Voltage Gain (RL = 100 kΩ) 120 dB
• Low Supply Current (@ VS = 5V) 500
μA/Amplifier
• Low Offset Voltage Drift 1.0 μV/°C
APPLICATIONS
• Automotive Transducer Amplifier
• Pressure Sensor
• Oxygen Sensor
• Temperature Sensor
• Speed Sensor
DESCRIPTION
The LMC6492/LMC6494 amplifiers were specifically
developed for single supply applications that operate
from 40°C to +125°C. This feature is well-suited for
automotive systems because of the wide temperature
range. A unique design topology enables the
LMC6492/LMC6494 common-mode voltage range to
accommodate input signals beyond the rails. This
eliminates non-linear output errors due to input
signals exceeding a traditionally limited common-
mode voltage range. The LMC6492/LMC6494 signal
range has a high CMRR of 82 dB for excellent
accuracy in non-inverting circuit configurations.
The LMC6492/LMC6494 rail-to-rail input is
complemented by rail-to-rail output swing. This
assures maximum dynamic signal range which is
particularly important in 5V systems.
Ultra-low input current of 150 fA and 120 dB open
loop gain provide high accuracy and direct interfacing
with high impedance sources.
Connection Diagram
Figure 1. 8-Pin PDIP/SOIC - Top View
Figure 2. 14-Pin PDIP/SOIC - 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.
All trademarks are the property of their respective owners.
2
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright © 2000–2013, Texas Instruments Incorporated




etcTI

LMC6494 Datasheet Preview

LMC6494 Datasheet

Quad CMOS Operational Amplifier

No Preview Available !

LMC6492, LMC6494
SNOS724D – AUGUST 2000 – 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)
Differential Input Voltage
Voltage at Input/Output Pin
Supply Voltage (V+ V)
Current at Input Pin
Current at Output Pin(4)
Current at Power Supply Pin
Lead Temp. (Soldering, 10 sec.)
Storage Temperature Range
Junction Temperature(5)
2000V
±Supply Voltage
(V+) + 0.3V, (V) 0.3V
16V
±5 mA
±30 mA
40 mA
260°C
65°C to +150°C
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 specific performance is not ensured. For ensured specifications and the test
conditions, see the Electrical Characteristics.
(2) If Military/Aerospace specified devices are required, please contact the TI Sales Office/ Distributors for availability and specifications.
(3) Human body model, 1.5 kΩ in series with 100 pF.
(4) Applies to both single-supply and split-supply operation. Continuous short operation at elevated ambient temperature can result in
exceeding the maximum allowed junction temperature at 150°C. Output currents in excess of ±30 mA over long term may adversely
affect reliability.
(5) The maximum power dissipation is a function of TJ(max), θJA and TA. The maximum allowable power dissipation at any ambient
temperature is PD = (TJ(max) TA)/θJA. All numbers apply for packages soldered directly into a PC board.
Operating Conditions(1)
Supply Voltage
Junction Temperature Range
Thermal Resistance (θJA)
LMC6492AE, LMC6492BE
LMC6494AE, LMC6494BE
P Package, 8-Pin PDIP
D Package, 8-Pin SOIC
P Package, 14-Pin PDIP
D Package, 14-Pin SOIC
2.5V V+ 15.5V
40°C TJ +125°C
40°C TJ +125°C
108°C/W
171°C/W
78°C/W
118°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 specific performance is not ensured. For ensured specifications and the test
conditions, see the Electrical Characteristics.
DC Electrical Characteristics
Unless otherwise specified, all limits specified for TJ = 25°C, V+ = 5V, V= 0V, VCM = VO = V+/2 and RL > 1 MΩ. Boldface
limits apply at the temperature extremes
Symbol
Parameter
Conditions
Typ (1)
LMC6492AE
LMC6494AE
Limit (2)
LMC6492BE
LMC6494BE
Limit (2)
Units
VOS
Input Offset Voltage
0.11
3.0
3.8
6.0
mV
6.8
max
TCVOS
IB
IOS
RIN
Input Offset Voltage
Average Drift
Input Bias Current
Input Offset Current
Input Resistance
See (3)
See (3)
1.0
0.15
200
0.075
100
>10
μV/°C
200
pA max
100
pA max
Tera Ω
(1) Typical Values represent the most likely parametric norm.
(2) All limits are specified by testing or statistical analysis.
(3) Specified limits are dictated by tester limits and not device performance. Actual performance is reflected in the typical value.
2
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Copyright © 2000–2013, Texas Instruments Incorporated
Product Folder Links: LMC6492 LMC6494


Part Number LMC6494
Description Quad CMOS Operational Amplifier
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