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LMC6572 Datasheet Preview

LMC6572 Datasheet

Dual Low Voltage Operational Amplifier

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LMC6572, LMC6574
www.ti.com
SNOS707C – MAY 2004 – REVISED NOVEMBER 2004
LMC6572/LMC6574 Dual and Quad Low Voltage (2.7V and 3V) Operational Amplifier
Check for Samples: LMC6572, LMC6574
FEATURES
1
2 (Typical unless otherwise noted)
• Guaranteed 2.7V and 3V Performance
• Rail-to-Rail Output Swing (within 5 mV of
supply rail, 100 kΩ load)
• Ultra-Low Supply Current: 40 μA/Amplifier
• Low Cost
• Ultra-Low Input Current: 20 fA
• High Voltage Gain @ VS=2.7V,
RL=100 kΩ: 120 dB
• Specified for 100 kΩ and 5 kΩ loads
• Available in MSOP Package
APPLICATIONS
• Transducer Amplifier
• Portable or Remote Equipment
• Battery-Operated Instruments
• Data Acquisition Systems
• Medical Instrumentation
• Improved Replacement for TLV2322 and
TLV2324
DESCRIPTION
Low voltage operation and low power dissipation make the LMC6574/2 ideal for battery-powered systems.
3V amplifier performance is backed by 2.7V guarantees to ensure operation throughout battery lifetime. These
guarantees also enable analog circuits to operate from the same 3.3V supply used for digital logic.
Battery life is maximized because each amplifier dissipates only micro-watts of power.
The LMC6574/2 does not sacrifice functionality for low voltage operation. The LMC6574/2 generates 120 dB of
open-loop gain just like a conventional amplifier, but the LMC6574/2 can do this from a 2.7V supply.
These amplifiers are designed with features that optimize low voltage operation. The output voltage swings rail-
to-rail to maximize signal-to-noise ratio and dynamic signal range. The common-mode input voltage range
extends from 800 mV below the positive supply to 100 mV below ground.
This device is built with National's advanced Double-Poly Silicon-Gate CMOS process.
LMC6572 is also available in MSOP package which is almost half the size of a SO-8 device.
Connection Diagram
8-Pin DIP/SO/MSOP
Figure 1. Order Number LMC6572AIN, LMC6572BIN, LMC6572AIM, LMC6572AIMX, LMC6572BIM,
LMC6572BIMX, LMC6572BIMM or LMC6572BIMMX
See NS Package Number N08E, M08A or MUA08A
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 © 2004, Texas Instruments Incorporated




etcTI

LMC6572 Datasheet Preview

LMC6572 Datasheet

Dual Low Voltage Operational Amplifier

No Preview Available !

LMC6572, LMC6574
SNOS707C – MAY 2004 – REVISED NOVEMBER 2004
14-Pin DIP/SO
www.ti.com
Figure 2. Order Number LMC6574AIN, LMC6574BIN, LMC6574AIM, LMC6574AIMX, LMC6574BIM or
LMC6574BIMX
See NS Package Number N14A or M14A
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)
ESD Tolerance (2)
Differential Input Voltage
Voltage at Input/Output Pin
Supply Voltage (V+ V)
Current at Input Pin
Current at Output Pin (3)
Current at Power Supply Pin
Lead Temperature
(Soldering, 10 Seconds)
Storage Temperature Range
Junction Temperature (4)
2000V
±Supply Voltage
(V+) +0.3V,
(V) 0.3V
12V
±5 mA
±10 mA
35 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 guaranteed. For guaranteed specifications and test
conditions, see the Electrical Characteristics.
(2) Human body model, 1.5 kΩ in series with 100 pF.
(3) 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.
(4) 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 (1)
Supply Voltage
Junction Temperature Range
LMC6572AI, LMC6572BI
LMC6574AI, LMC6574BI
Thermal Resistance (θJA)
N Package, 8-Pin Molded DIP
M Package, 8-Pin Surface Mount
MSOP Package, 8-Pin Mini SO
2.7V V+ 11V
40°C TJ +85°C
40°C TJ +85°C
115°C/W
193°C/W
217°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 guaranteed. For guaranteed specifications and test
conditions, see the Electrical Characteristics.
2
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Copyright © 2004, Texas Instruments Incorporated
Product Folder Links: LMC6572 LMC6574


Part Number LMC6572
Description Dual Low Voltage Operational Amplifier
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