LT1970AIFE#PBF Analog Devices Integrated Circuit (Small Outline Packages) In Stock
Analog Devices LT1970AIFE#PBF is a 500 mA high-current power operational amplifier with adjustable current limit, 105 dB CMRR, and 1.3 mV max offset voltage in a 20-lead SOIC package. Ideal for precision servo and actuator drive circuits. In stock with worldwide shipping.
- Manufacturer
- Analog Devices
- Package
- Small Outline Packages
- Pin Count
- 20
- Lifecycle
- ACTIVE
- Datasheet
- LT1970AIFE#PBF Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $7.8800(MOQ 1)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of LT1970AIFE#PBF?
- 500 mA output current capability with adjustable current limit resistor, enabling direct actuator and motor-winding drive without external power stage
- 105 dB common-mode rejection ratio and 1.3 mV max input offset voltage supporting precision servo control and instrumentation amplifier topologies
- Voltage-feedback architecture with frequency compensation pin for stable closed-loop operation across capacitive and inductive load combinations
What is LT1970AIFE#PBF used for?
The LT1970AIFE#PBF is designed for precision servo drive, piezoelectric actuator control, and calibration DAC buffer circuits requiring up to 500 mA of output current with tight current limiting. Its high CMRR and low offset voltage make it equally suitable for current-source topologies in automated test equipment, linear motor control stages, and high-accuracy analog output modules in industrial instrumentation systems.
What are the specifications of LT1970AIFE#PBF?
| Pbfree Code | No |
| Manufacturer Package Code | 05-08-1663 (CA) |
| YTEOL | 10 |
| Amplifier Type | OPERATIONAL AMPLIFIER |
| Architecture | VOLTAGE-FEEDBACK |
| Average Bias Current-Max (IIB) | 0.6 µA |
| Common-mode Reject Ratio-Nom | 105dB |
| Frequency Compensation | YES |
| Input Offset Voltage-Max | 1300 µV |
| JESD-30 Code | R-PDSO-G20 |
| JESD-609 Code | e3 |
| Low-Bias | NO |
| Low-Offset | NO |
| Micropower | NO |
| Neg Supply Voltage Limit-Max | -18 V |
| Neg Supply Voltage-Nom (Vsup) | -5 V |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Power | NO |
| Programmable Power | NO |
| Slew Rate-Nom | 1.6V/us |
| Supply Current-Max | 13mA |
| Supply Voltage Limit-Max | 18V |
| Supply Voltage-Nom (Vsup) | 5V |
| Surface Mount | YES |
| Technology | BIPOLAR |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Unity Gain BW-Nom | 3600 |
| Voltage Gain-Min | 5000 |
| Wideband | NO |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.33.00.01 |
| Country of Origin | Malaysia |
Where can I find the LT1970AIFE#PBF datasheet?
LT1970AIFE#PBF Datasheet DownloadOfficial datasheet from Analog Devices
What are equivalent replacements for LT1970AIFE#PBF?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What output current can the LT1970AIFE#PBF deliver, and how is the current limit set?
The LT1970AIFE#PBF delivers a continuous output current of up to 500 mA. The current limit is set by a single external resistor connected to the ILIM pin, allowing designers to program trip thresholds from a few milliamps up to the full 500 mA rail, protecting loads such as piezoelectric actuators or solenoids from overcurrent damage without adding discrete protection circuitry.
How does the 105 dB CMRR of the LT1970AIFE#PBF compare to standard op-amps in servo control designs?
A 105 dB common-mode rejection ratio is significantly higher than the 70 to 80 dB typical of general-purpose op-amps, reducing common-mode noise by an additional 25 to 35 dB. In servo motor control applications powered from noisy switching supplies, this suppresses ground-loop interference below 1 µV referred-to-input, improving positioning accuracy in closed-loop feedback stages driving up to 500 mA through the load.
In what package does the LT1970AIFE#PBF ship, and does the #PBF suffix indicate RoHS compliance?
The device ships in a 20-lead small-outline SOIC (PDSO-G20) package with 1.27 mm pin pitch. The #PBF suffix stands for lead-free, RoHS-compliant termination — the package is finished with a tin-based matte solder plating rather than lead-tin, meeting EU RoHS Directive requirements for industrial and commercial end products shipped to regulated markets.
Which scenario makes the LT1970AIFE#PBF a better choice than a standard 50 mA rail-to-rail op-amp for a DAC output buffer?
When a precision DAC output must drive a low-impedance or capacitive load such as a 10 ohm calibration resistor or a 100 nF hold capacitor, a standard 50 mA op-amp saturates its output stage, causing significant settling-time degradation and output voltage droop. The LT1970AIFE#PBF supplies up to 500 mA without saturation, settling within the DAC's specified accuracy band while the adjustable current limit prevents damage during short-circuit fault conditions.
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About Analog Devices
Analog Devices (ADI) is a global leader in high-performance analog, mixed-signal, and digital signal processing integrated circuits used in virtually all types of electronic equipment.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $16.0000 | $16.00 |
| 10+ | $11.1980 | $111.98 |
| 19+ | $10.4400 | $198.36 |
| 29+ | $10.4328 | $302.55 |
| 1000+ | $7.8800 | $7880.00 |
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