LT1970ACFE#PBF Analog Devices Integrated Circuit (Small Outline Packages) In Stock
Analog Devices LT1970ACFE#PBF is a 500mA power operational amplifier with adjustable current limit, 105 dB CMRR, 1 mV maximum offset voltage, and voltage-feedback architecture in a 20-pin SOIC for precision high-current signal conditioning.
- Manufacturer
- Analog Devices
- Package
- Small Outline Packages
- Pin Count
- 20
- Lifecycle
- ACTIVE
- Datasheet
- LT1970ACFE#PBF Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $6.8700(MOQ 1)
- Temp Range
- ?°C to 70.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of LT1970ACFE#PBF?
- 500 mA output current capability drives resistive and capacitive loads directly without an external buffer stage
- Adjustable current limit allows programmable output protection, preventing damage to connected loads during fault conditions
- 105 dB common-mode rejection ratio ensures accurate differential signal amplification in noisy industrial and lab measurement environments
- 1 mV maximum input offset voltage maintains precision in low-level signal amplification and transducer conditioning applications
What is LT1970ACFE#PBF used for?
The LT1970ACFE#PBF is designed for precision power applications such as programmable power supplies, active filter output stages, piezoelectric actuator drivers, and electrochemical cell test instruments that require both high output current and low offset voltage in the same device. Its adjustable current limit simplifies electronic fuse implementation, making it valuable in protection-critical power conditioning circuits. The 105 dB CMRR and voltage-feedback architecture also suit it for instrumentation amplifier output stages and audio power output sections where signal fidelity at 500 mA load is essential.
What are the specifications of LT1970ACFE#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 | 1000 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 | COMMERCIAL |
| 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 LT1970ACFE#PBF datasheet?
LT1970ACFE#PBF Datasheet DownloadOfficial datasheet from Analog Devices
What are equivalent replacements for LT1970ACFE#PBF?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
Can the LT1970ACFE#PBF drive a low-impedance load directly, and up to what continuous current?
Yes, the LT1970ACFE#PBF is rated for 500 mA continuous output current, allowing it to directly drive resistive loads as low as a few ohms or capacitive loads without an external pass transistor; this makes it suitable for piezoelectric actuators, solenoid pre-drivers, and line-driving applications where a standard op-amp at 50 mA would require a discrete buffer stage.
How is the current limit on the LT1970ACFE#PBF set, and why is this useful for load protection?
The output current limit of the LT1970ACFE#PBF is programmed by connecting a resistor to the ILIM pin, allowing the designer to set precise current thresholds from a few milliamps up to 500 mA; this built-in adjustable current limit functions as an electronic fuse, protecting sensitive loads such as electrochemical cells or precision sensors from overcurrent damage during startup transients or fault conditions.
What is the input offset voltage specification of the LT1970ACFE#PBF and how does it affect precision measurement?
The LT1970ACFE#PBF guarantees a maximum input offset voltage of 1000 µV (1 mV), which introduces a measurement error of 1 mV referred to the input; for a gain of 10 V/V this results in a 10 mV output error, so applications requiring sub-millivolt precision should apply external offset trimming or choose the lower-offset variant to meet system accuracy requirements across the full -40°C to +85°C operating range.
In a programmable bench power supply design, what advantage does the LT1970ACFE#PBF offer over a standard op-amp plus external pass transistor?
Integrating a 500 mA output stage and adjustable current limit inside the LT1970ACFE#PBF eliminates the external pass transistor, its biasing network, and the separate current-sense resistor circuit, reducing the power supply output stage component count by approximately 4 to 6 parts while also avoiding the loop stability challenges associated with composite amplifier designs using external high-beta transistors.
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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+ | $14.4200 | $14.42 |
| 10+ | $10.0210 | $100.21 |
| 19+ | $9.1100 | $173.09 |
| 1000+ | $6.8700 | $6870.00 |
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