LT1995
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LT1995

32MHz, 1000V/µs Gain Selectable Amplifier

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Part Details
Part Models 8
1ku List Price Starting From $2.53
Features
  • Internal Gain Setting Resistors
  • Pin Configurable as a Difference Amplifier, Inverting and Noninverting Amplifier
  • Difference Amplifier:
    • Gain Range 1 to 7
    • CMRR > 65dB
  • Noninverting Amplifier:
    • Gain Range 1 to 8
  • Inverting Amplifier:
    • Gain Range –1 to –7
  • Gain Error: <0.2%
  • Slew Rate: 1000V/µs
  • Bandwidth: 32MHz (Gain = 1)
  • Op Amp Input Offset Voltage: 2.5mV Max
  • Quiescent Current: 9mA Max
  • Wide Supply Range: ±2.5V to ±15V
  • Available in the 10-Lead MSOP Package and 10-Lead (3mm × 3mm) DFN Package
Additional Details
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The LT1995 is a high speed, high slew rate, gain selectable amplifier with excellent DC performance. Gains from -7 to 8 with a gain accuracy of 0.2% can be achieved using no external components. The device is particularly well suited for use as a difference amplifier, where the excellent resistor matching results in a typical common mode rejection ratio of 79dB or more.

The amplifier is a single gain stage design similar to the LT1363 and features superb slewing and settling characteristics. Input offset of the internal operational amplifier is less than 2.5mV and the slew rate is 1000V/µs. The output can drive a 150Ω  load to ±2.5V on ±5V supplies, making it useful in cable driver applications.

The resistors have excellent matching, 0.2% maximum at room temperature and 0.3% from -40°C to 85°C. The temperature coefficient of the resistors is typically -30ppm/°C. The resistors are extremely linear with voltage, resulting in a gain nonlinearity of 10ppm.

The LT1995 is fully specified at ±2.5V, ±5V and ±15V supplies and from -40°C to 85°C. The device is available in space saving 10-lead MSOP and 10-Lead (3mm × 3mm) DFN packages. For a micropower precision amplifier with precision resistors, see the LT1991 and LT1996.

Applications

  • Instrumentation Amplifier
  • Current Sense Amplifier
  • Video Difference Amplifier
  • Automatic Test Equipment
Part Models 8
1ku List Price Starting From $2.53

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Documentation

Documentation

Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
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Product Lifecycle

PCN

Feb 4, 2020

- 20_0130

Laser Top Mark Conversion for 10-Lead MSOP Packages Assembled in ADPG and UTAC

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Filter by Model

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Part Models

Product Lifecycle

PCN

Feb 4, 2020

- 20_0130

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Laser Top Mark Conversion for 10-Lead MSOP Packages Assembled in ADPG and UTAC

LT1995CMS#PBF

PRODUCTION

LT1995CMS#TRPBF

PRODUCTION

LT1995IMS#PBF

PRODUCTION

LT1995IMS#TRPBF

PRODUCTION

Software & Part Ecosystem

Software & Part Ecosystem

Evaluation Kit

Evaluation Kits 2

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DC819A

LT1990CS8/LT1991CMS/LT1995CMS | Configurable Gain Amplifiers, V+ = +2.5V to +15V, V– = –2.5V to –15V

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DC819A

LT1990CS8/LT1991CMS/LT1995CMS | Configurable Gain Amplifiers, V+ = +2.5V to +15V, V– = –2.5V to –15V

LT1990CS8/LT1991CMS/LT1995CMS | Configurable Gain Amplifiers, V+ = +2.5V to +15V, V– = –2.5V to –15V

Product Detail

DC819A Demo Board for:

LT1990 ±250V Input Range G = 1, 10, Micropower, Difference Amplifier

LT1995 30MHz, 1000V/µs Gain Selectable Amplifier

LT1991 Precision, 100µA Gain Selectable Amplifier

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ADALM-SR1

Switching Regulator Active Learning Module

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ADALM-SR1

Switching Regulator Active Learning Module

Switching Regulator Active Learning Module

Features and Benefits

  • Companion module for Active Learning labs on buck and boost power converters
  • Illustrates important concepts related to buck and boost converters:
    • Continuous vs. Discontinuous Conduction Modes
    • Open loop operation
    • Voltage mode control
    • Current mode control
  • Independently adjustable parameters: frequency, duty cycle, voltage/current mode
  • Onboard current sense amplifiers and adjustable load minimize equipment requirements.

Product Detail

The ADALM-SR1 (Analog Devices Active Learning Module, Switching Regulator) board is a companion module for several switching regulator exercises covering buck and boost regulators:

  • Boost and Buck converter elements and open-loop operation
  • Buck Converters: closed loop operation
  • Boost Converters: closed loop operation

The circuits required for these exercises exceed the complexity that can be constructed on a breadboard, so the ADALM-SR1 was designed as a flexible platform for experimenting with power electronics. Onboard current sense amplifiers, adjustable electronic load, and feedback signal injection circuitry eliminate the need for expensive equipment — the only additional equipment required is:

  • 5V USB wall adapter
  • Basic adjustable power supply for input power (0-12V, 2A)
  • Multimeter
  • ADALM2000 or basic oscilloscope (2 channels with trigger, >10MHz bandwidth)
Tools & Simulations

Tools & Simulations 1

LTspice® is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.

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