LT2079 - Micropower, Dual and Quad, Single Supply, Precision Op Amps
Features
- Supply Current per Amplifier: 50µA Max
- Offset Voltage: 70µV Max
- Offset Current: 250pA Max
- Voltage Noise: 0.6µVP-P, 0.1Hz to 10Hz
- Current Noise: 3pAP-P, 0.1Hz to 10Hz
- Offset Voltage Drift: 0.4µV/°C
- Gain Bandwidth Product: 200kHz
- Slew Rate: 0.07V/µs
- Single Supply Operation
Input Voltage Range Includes Ground
Output Swings to Ground while Sinking Current
No Pull-Down Resistors Needed - Output Sources and Sinks 5mA Load Current
- SO Package with Standard Pinout
Typical Application
Description
The LT®2078 is a micropower dual op amp in 8-pin small outline, standard surface mount package, and LT2079 is a micropower quad op amp offered in the standard 14-pin surface mount package. Both devices are optimized for single supply operation at 5V. ±15V specifications are also provided.
Micropower performance of competing devices is achieved at the expense of seriously degrading precision, noise, speed and output drive specifications. The design effort of the LT2078/LT2079 was concentrated on reducing supply current without sacrificing other parameters. The offset voltage achieved is the lowest on any dual or quad nonchopper stabilized op amp––micropower or otherwise. Offset current, voltage and current noise, slew rate and gain bandwidth product are all two to ten times better than on previous micropower op amps.
Both the LT2078/LT2079 can be operated from a single supply (as low as one lithium cell or two NiCd batteries). The input range goes below ground. The all NPN output stage swings to within a few millivolts of ground while sinking current––no power consuming pull-down resistors are needed. For applications requiring DIP packages refer to the LT1078/LT1079.
Packaging
CAD Symbols and Footprints: The downloadable Zip file below contains the schematic symbol and PCB footprints.
For complete and up to date package information and drawings, please refer to our packaging page
| Part Number | Package | Code | Temp | Package Drawing |
RoHS |
|---|---|---|---|---|---|
| LT2079ACS#PBF | SO-14 | S | C | 05-08-1610 (S14) | Yes |
| LT2079ACS#TRPBF | SO-14 | S | C | 05-08-1610 (S14) | Yes |
| LT2079AIS#PBF | SO-14 | S | I | 05-08-1610 (S14) | Yes |
| LT2079AIS#TRPBF | SO-14 | S | I | 05-08-1610 (S14) | Yes |
| LT2079CS#PBF | SO-14 | S | C | 05-08-1610 (S14) | Yes |
| LT2079CS#TRPBF | SO-14 | S | C | 05-08-1610 (S14) | Yes |
| LT2079IS#PBF | SO-14 | S | I | 05-08-1610 (S14) | Yes |
| LT2079IS#TRPBF | SO-14 | S | I | 05-08-1610 (S14) | Yes |
Order Info
- Part numbers ending in PBF are lead free. Solder plated terminal finish (SnPb) versions are non-standard and special terms and conditions and pricing applies if available. Please contact LTC marketing for information.
- Part numbers containing TR or TRM are shipped in tape and reel or 500 unit mini tape and reel, respectively
- Please refer to our general ordering information or the product datasheet for more details
Package Variations and Pricing
| Part Number | Package | Temp | Price (1-99) |
Price (1k)* |
RoHS | |
|---|---|---|---|---|---|---|
| LT2079ACS#PBF | SO-14 | C | $10.95 | $9.05 | Yes | |
| LT2079ACS#TRPBF | SO-14 | C | $9.11 | Yes | ||
| LT2079AIS#PBF | SO-14 | I | $12.75 | $10.55 | Yes | |
| LT2079AIS#TRPBF | SO-14 | I | $10.61 | Yes | ||
| LT2079CS#PBF | SO-14 | C | $7.20 | $5.95 | Yes | |
| LT2079CS#TRPBF | SO-14 | C | $6.01 | Yes | ||
| LT2079IS#PBF | SO-14 | I | $9.20 | $7.60 | Yes | |
| LT2079IS#TRPBF | SO-14 | I | $7.66 | Yes | ||
| Buy Now • Request Samples | ||||||
Demo Boards
Linear Technology offers many demo boards free of charge to qualified customers. Contact your local sales office or distributor to inquire about a demo board. Certain demo boards are also available for sale via credit card on this website. Demo boards are for evaluation purposes only. It remains the customer’s responsibility to verify proper and reliable operation in the actual end application.Click here to view our complete list of demo boards
Applications
- Battery or Solar-Powered Systems
Portable Instrumentation
Remote Sensor Amplifier
Satellite Circuitry - Micropower Sample-and-Hold
- Thermocouple Amplifier
- Micropower Filters
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Design Tools
LTspice
LTspice® software is a powerful, fast and free simulation tool, schematic capture and waveform viewer with enhancements and models for improving the simulation of switching regulators. Click here to download LTspice
Models for the following parts are available in LTspice:
LT2079
LT2079A
Technical Support
- For immediate technical assistance, contact your local sales office or distributor or call 1-800-4-LINEAR (US customers only) or 408-432-1900.
- For less urgent requests, please complete our Technical Support Request Form. Please allow 2-3 business days for reply.
