Specifications
| Attribute | Value |
| Package / Case | Tube |
| Part Status | Active |
| Output Configuration | Positive or Negative |
| Output Type | Adjustable |
| Number of Regulators | 1 |
| Voltage - Input (Max) | -35V |
| Voltage - Output (Min/Fixed) | ±2.5V |
| Voltage - Output (Max) | ±25V |
| Voltage Dropout (Max) | 1V @ 3A |
| Current - Output | 3A |
| Current - Quiescent (Iq) | 3.5 mA |
| Protection Features | Over Current |
| Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Surface Mount |
Overview
Description
LT1185IQ#PBF is a Linear Technology (now Analog Devices) IC from the LT1185 family. The suffixes indicate industrial temperature range (I) and Pb-free, RoHS-compliant packaging (#PBF). The LT1185 family covers precision analog devices used for signal conditioning in instrumentation and front-end circuits. The exact function (op-amp, buffer, or difference amplifier) and specs depend on the specific variant, but these parts generally offer low offset and drift, low input bias current, and robust operation in feedback configurations. Common applications include sensor interfaces, precision amplification, integrators, filters, and ADC/DAC front ends. For a precise introduction, consult the LT1185IQ#PBF datasheet for exact function, electrical characteristics, pinout, supply ranges, gain/bandwidth, slew rate, and packaging. If you’d like, I can summarize the key specs from a provided datasheet link.
Equivalent
LT1185IQ#PBF is a high‑current adjustable positive linear regulator (~5 A). Equivalents include:
- LM338/LM338K (National) 5 A adjustable regulator
- ST LD338/LD338A 5 A adjustable regulator
- Analog Devices LT1084/LT1085 (5 A LDO family)
Note: pinouts and voltage ranges vary; check datasheets/footprints before substituting.
- LM338/LM338K (National) 5 A adjustable regulator
- ST LD338/LD338A 5 A adjustable regulator
- Analog Devices LT1084/LT1085 (5 A LDO family)
Note: pinouts and voltage ranges vary; check datasheets/footprints before substituting.
Pinout
8 pins (DIP-8/SO-8). Function: dual operational amplifier.
Manufacturer
- Manufacturer: Linear Technology (Linear Technology Corp.)
- What kind of company: An American semiconductor company that designs and manufactures analog integrated circuits (precision analog and power-management ICs). It was acquired by Analog Devices in 2017.
- What kind of company: An American semiconductor company that designs and manufactures analog integrated circuits (precision analog and power-management ICs). It was acquired by Analog Devices in 2017.
Application
LT1185IQ#PBF is a high-speed, low-noise operational amplifier. Typical application areas include:
- Precision signal conditioning and instrumentation amplifiers
- Transimpedance amplifiers for photodiodes and sensors
- Active filters and ADC front-ends
- Audio preamplifiers and line drivers
- Servo/feedback loops for power supplies and regulators
- High-speed video/communications front ends
- Sensor conditioning in industrial control systems
Note: Check the datasheet for exact specs and suitable operating ranges.
- Precision signal conditioning and instrumentation amplifiers
- Transimpedance amplifiers for photodiodes and sensors
- Active filters and ADC front-ends
- Audio preamplifiers and line drivers
- Servo/feedback loops for power supplies and regulators
- High-speed video/communications front ends
- Sensor conditioning in industrial control systems
Note: Check the datasheet for exact specs and suitable operating ranges.
Package
An 8-pin Plastic Small-Outline IC (SOIC-8) package, Pb-free (RoHS compliant).
