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LMC6464 Datasheet Preview

LMC6464 Datasheet

Quad Micropower CMOS Operational Amplifier

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LMC6462, LMC6464
www.ti.com
SNOS725D – MAY 1999 – REVISED MARCH 2013
LMC6462 Dual/LMC6464 Quad Micropower, Rail-to-Rail Input and Output CMOS
Operational Amplifier
Check for Samples: LMC6462, LMC6464
FEATURES
1
2 (Typical Unless Otherwise Noted)
• Ultra Low Supply Current 20 μA/Amplifier
• Ensured Characteristics at 3V and 5V
• Rail-to-Rail Input Common-Mode Voltage
Range
• Rail-to-Rail Output Swing
– (within 10 mV of rail, VS = 5V and RL = 25
kΩ)
• Low Input Current 150 fA
• Low Input Offset Voltage 0.25 mV
APPLICATIONS
• Battery Operated Circuits
• Transducer Interface Circuits
• Portable Communication Devices
• Medical Applications
• Battery Monitoring
DESCRIPTION
The LMC6462/4 is a micropower version of the
popular LMC6482/4, combining Rail-to-Rail Input and
Output Range with very low power consumption.
The LMC6462/4 provides an input common-mode
voltage range that exceeds both rails. The rail-to-rail
output swing of the amplifier, ensured for loads down
to 25 kΩ, assures maximum dynamic signal range.
This rail-to-rail performance of the amplifier,
combined with its high voltage gain makes it unique
among rail-to-rail amplifiers. The LMC6462/4 is an
excellent upgrade for circuits using limited common-
mode range amplifiers.
The LMC6462/4, with ensured specifications at 3V
and 5V, is especially well-suited for low voltage
applications. A quiescent power consumption of 60
μW per amplifier (at VS = 3V) can extend the useful
life of battery operated systems. The amplifier's 150
fA input current, low offset voltage of 0.25 mV, and
85 dB CMRR maintain accuracy in battery-powered
systems.
Figure 1. 8-Pin PDIP/SOIC – Top View
(See Package Number P or D)
Figure 2. 14-Pin PDIP/SOIC – Top View
(See Package Number NFF0014A or D)
191:
10:
Gain
Trim
9.95k
10k,
0.1%
10k, 0.1%
50:
CMRR
Trim
-
A1
VCM + 1/2VD
+
10k,
0.1%
VCM - 1/2VD
-
A2
+
VOUT = 100VD
Figure 3. Low-Power Two-Op-Amp Instrumentation Amplifier
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 © 1999–2013, Texas Instruments Incorporated




etcTI

LMC6464 Datasheet Preview

LMC6464 Datasheet

Quad Micropower CMOS Operational Amplifier

No Preview Available !

LMC6462, LMC6464
SNOS725D – MAY 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)(3)
ESD Tolerance(4)
Differential Input Voltage
Voltage at Input/Output Pin
Supply Voltage (V+ V)
Current at Input Pin(5)
Current at Output Pin(6)(7)
Current at Power Supply Pin
Lead Temp. (Soldering, 10 sec.)
Storage Temperature Range
Junction Temperature(8)
2.0 kV
±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) For specified Military Temperature Range parameters see RETSMC6462/4X.
(3) If Military/Aerospace specified devices are required, please contact the Texas Instruments Sales Office/Distributors for availability and
specifications.
(4) Human body model, 1.5 kΩ in series with 100 pF. All pins rated per method 3015.6 of MIL-STD-883. This is a class 2 device rating.
(5) Limiting input pin current is only necessary for input voltages that exceed absolute maximum input voltage ratings.
(6) 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. Output currents in excess of ±30 mA over long term may adversely
affect reliability.
(7) Do not short circuit output to V+, when V+ is greater than 13V or reliability will be adversely affected.
(8) 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 Ratings
Supply Voltage
Junction Temperature
Range
Thermal Resistance (θJA)
LMC6462AM, LMC6464AM
LMC6462AI, LMC6464AI
LMC6462BI, LMC6464BI
P Package, 8-Pin PDIP
D Package, 8-Pin SOIC
NFF Package, 14-Pin PDIP
D Package, 14-Pin SOIC
3.0V V+ 15.5V
55°C TJ +125°C
40°C TJ +85°C
40°C TJ +85°C
115°C/W
193°C/W
81°C/W
126°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.
5V DC Electrical Characteristics
Unless otherwise specified, all limits ensured for TJ = 25°C, V+ = 5V, V= 0V, VCM = VO = V+/2 and RL > 1M. Boldface limits
apply at the temperature extremes.
Symbol
Parameter
Conditions
Typ (1)
LMC6462AI
LMC6464AI
Limit (2)
LMC6462BI
LMC6464BI
Limit (2)
LMC6462AM
LMC6464AM
Limit (2)
Units
VOS
Input Offset Voltage
0.25
0.5
3.0
1.2
3.7
0.5
mV
1.5
max
TCVOS
IB
Input Offset Voltage
Average Drift
Input Current
See (3)
1.5
μV/°C
0.15
10
10
200
pA max
(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 limitations and not device performance. Actual performance is reflected in the typical value.
2
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Copyright © 1999–2013, Texas Instruments Incorporated
Product Folder Links: LMC6462 LMC6464


Part Number LMC6464
Description Quad Micropower CMOS Operational Amplifier
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