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LT3032 Series

RECOMMENDED FOR NEW DESIGNS

Dual 150mA Positive/Negative Low Noise Low Dropout Linear Regulator

Data Sheet Product Selection Table
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Overview

  • Low Noise: 20μVRMS (Positive) and 30μVRMS (Negative)
  • Low Quiescent Current: 30μA/Channel
  • Wide Input Voltage Range: ±2.3V to ±20V
  • Output Current: ±150mA
  • Low Shutdown Current: <3μA Total (Typical)
  • Low Dropout Voltage: 300mV/Channel
  • Fixed Output Voltages: ±3.3V, ±5V, ±12V, ±15V
  • Adjustable Outputs from ±1.22V to ±20V
  • No Protection Diodes Needed
  • Stable with 2.2μF Output Capacitors
  • Stable with Ceramic, Tantalum or Aluminum Capacitors
  • Starts into Reverse Output Voltage
  • Current Limit and Thermal Limit
  • Low Profile 14-Lead 4mm × 3mm × 0.75mm DFN Package
LT3032 Series
Dual 150mA Positive/Negative Low Noise Low Dropout Linear Regulator
Dual Polarity Low Noise 150mA Power Supply 10Hz to 100kHz Output Noise Product Package 1
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Documentation

Data Sheet 1

User Guide 2

Technical Articles 1

Data Sheet

This is the most up-to-date revision of the Data Sheet.

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Software Resources

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Hardware Ecosystem

Parts Product Life Cycle Description
Charge Pumps 1
LTC3265
RECOMMENDED FOR NEW DESIGNS Low Noise Dual Supply with Boost and Inverting Charge Pumps
Ideal Diodes and PowerPath Controllers 1
LTC4417
RECOMMENDED FOR NEW DESIGNS Prioritized PowerPath™ Controller
Overvoltage & Overcurrent Protectors 1
LTC4365
RECOMMENDED FOR NEW DESIGNS Overvoltage, Undervoltage and Reverse Supply Protection Controller
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Tools & Simulations

LTspice 2

Models for the following parts are available in LTspice:

  • LT3032
  • LT3032-5
LTspice

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.

Evaluation Kits

eval board
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EVAL-ADMX1001

Ultra-low Distortion Signal Generator Measurement Module with Fully Differential Input Acquisition Channel

Buy Now View Details

Features and Benefits

  • Ultra-low distortion, high-resolution source
    • DC, 50Hz to 40kHz Frequency Range
    • Proprietary digital pre-distortion (DPD) algorithm
    • –130dBc THD @ 1kHz (typ.)
    • Arbitrary waveform generation (AWG) with on-board pattern memory
    • Differential (balanced) output up to 3.5VRMS
    • Fast pattern switching between multiple stored waveforms
  • Fully Differential input Acquisition Channel
  • Small form-factor (60mm x 40mm)
  • Low power, 1W typ. (quiescent)
  • SPI interface for integration into test and measurement systems

Product Details

The ADMX1001 is an ultra-low distortion sinewave and high-resolution arbitrary waveform generator with an acquisition channel. This high-performance module demonstrates a proprietary digital pre-distortion algorithm that reduces signal distortion below levels that can be achieved with high-performance digital-to-analog converters (DAC) and amplifiers alone. Its differential output can be set to common-mode levels often required to test high-performance analog-to-digital converters (ADC), audio codecs, and other audio ICs and systems. The signal generator and the acquisition channel can be individually controlled using separate, easy to use, SPI interfaces - combined with the module's small-form factor, the ADMX1001 can be easily embedded into test systems, or simply used on the bench for measurement and characterization.

APPLICATIONS

  • High-end audio test
  • Analog-to-digital converter characterization and test
  • Sensor and transducer test
  • Frequency response and network analysis
  • ATE

eval board
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EVAL-ADMX1001

Ultra-low Distortion Signal Generator Measurement Module with Fully Differential Input Acquisition Channel

Buy Now View Details

Features and Benefits

  • Ultra-low distortion, high-resolution source
    • DC, 50Hz to 40kHz Frequency Range
    • Proprietary digital pre-distortion (DPD) algorithm
    • –130dBc THD @ 1kHz (typ.)
    • Arbitrary waveform generation (AWG) with on-board pattern memory
    • Differential (balanced) output up to 3.5VRMS
    • Fast pattern switching between multiple stored waveforms
  • Fully Differential input Acquisition Channel
  • Small form-factor (60mm x 40mm)
  • Low power, 1W typ. (quiescent)
  • SPI interface for integration into test and measurement systems

Product Details

The ADMX1001 is an ultra-low distortion sinewave and high-resolution arbitrary waveform generator with an acquisition channel. This high-performance module demonstrates a proprietary digital pre-distortion algorithm that reduces signal distortion below levels that can be achieved with high-performance digital-to-analog converters (DAC) and amplifiers alone. Its differential output can be set to common-mode levels often required to test high-performance analog-to-digital converters (ADC), audio codecs, and other audio ICs and systems. The signal generator and the acquisition channel can be individually controlled using separate, easy to use, SPI interfaces - combined with the module's small-form factor, the ADMX1001 can be easily embedded into test systems, or simply used on the bench for measurement and characterization.

APPLICATIONS

  • High-end audio test
  • Analog-to-digital converter characterization and test
  • Sensor and transducer test
  • Frequency response and network analysis
  • ATE

eval board
schematic 17
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EVAL-ADMX1002

Ultra-low Distortion Signal Generator Measurement Module

Buy Now View Details

Features and Benefits

  • Ultra-low distortion, high-resolution source
    • DC, 50Hz to 40kHz Frequency Range
    • Proprietary digital pre-distortion (DPD) algorithm
    • –130dBc THD @ 1kHz (typ.)
    • Arbitrary waveform generation (AWG) with on-board pattern memory
    • Differential (balanced) output up to 3.6VRMS
  • Fast pattern switching between multiple stored waveforms
  • Small form-factor (60mm x 40mm)
  • Low power, 1W typ. (quiescent)
  • SPI interface for integration into test and measurement systems

Product Details

The ADMX1002 is an ultra-low distortion sinewave and high-resolution arbitrary waveform generator. This high-performance module demonstrates a proprietary digital pre-distortion algorithm that reduces signal distortion below levels that can be achieved with high-performance digital-to-analog converters (DAC) and amplifiers alone. Its differential output can be set to common-mode levels often required to test high-performance analog-to-digital converters (ADC), audio codecs, and other audio ICs and systems. With an easy-to-use SPI interface and small-form factor, the ADMX1002 can be easily embedded into test systems, or simply used on the bench for measurement and characterization.

APPLICATIONS

  • High-end audio test
  • Analog-to-digital converter characterization and test
  • Sensor and transducer test
  • Frequency response and network analysis
  • ATE

eval board
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EVAL-ADMX1002

Ultra-low Distortion Signal Generator Measurement Module

Buy Now View Details

Features and Benefits

  • Ultra-low distortion, high-resolution source
    • DC, 50Hz to 40kHz Frequency Range
    • Proprietary digital pre-distortion (DPD) algorithm
    • –130dBc THD @ 1kHz (typ.)
    • Arbitrary waveform generation (AWG) with on-board pattern memory
    • Differential (balanced) output up to 3.6VRMS
  • Fast pattern switching between multiple stored waveforms
  • Small form-factor (60mm x 40mm)
  • Low power, 1W typ. (quiescent)
  • SPI interface for integration into test and measurement systems

Product Details

The ADMX1002 is an ultra-low distortion sinewave and high-resolution arbitrary waveform generator. This high-performance module demonstrates a proprietary digital pre-distortion algorithm that reduces signal distortion below levels that can be achieved with high-performance digital-to-analog converters (DAC) and amplifiers alone. Its differential output can be set to common-mode levels often required to test high-performance analog-to-digital converters (ADC), audio codecs, and other audio ICs and systems. With an easy-to-use SPI interface and small-form factor, the ADMX1002 can be easily embedded into test systems, or simply used on the bench for measurement and characterization.

APPLICATIONS

  • High-end audio test
  • Analog-to-digital converter characterization and test
  • Sensor and transducer test
  • Frequency response and network analysis
  • ATE

eval board
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DC1622A

LT3032IDE Demo Board | Dual Positive/Negative, Low Noise, Low Dropout Linear Regulator, ±2.3V ≤ VIN ≤ ±20V, VOUT = ±1.2/±3.3/±5/±12/±15V @ ±150mA

Buy Now View Details

Product Details

Demonstration circuit 1622A is a dual 150mA linear regulator featuring the LT3032. The LT3032 is a dual, positive and negative low dropout linear regulator. Each regulator supplies up to 150mA of output current with a typical 300mV dropout voltage. Each regulator’s quiescent current is low (<3μA total in shutdown) and well-controlled in dropout, making it an excellent choice for battery-powered circuits. A 0.01μF bypass capacitor to each regulator reduces output voltage noise to 20μVRMS (positive regulator)/30μVRMS (negative regulator) over a 10Hz to 100kHz bandwidth. The LT3032 is stable with minimum output capacitor of 2.2μF. The regulators do not require any additional ESR. Internal protection circuitry includes reverse output protection, current limiting and thermal limiting. Each regulator is offered as an adjustable output device with an output voltage range down to the ±1.22V reference voltages.


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DC1622A

LT3032IDE Demo Board | Dual Positive/Negative, Low Noise, Low Dropout Linear Regulator, ±2.3V ≤ VIN ≤ ±20V, VOUT = ±1.2/±3.3/±5/±12/±15V @ ±150mA

Buy Now View Details

Product Details

Demonstration circuit 1622A is a dual 150mA linear regulator featuring the LT3032. The LT3032 is a dual, positive and negative low dropout linear regulator. Each regulator supplies up to 150mA of output current with a typical 300mV dropout voltage. Each regulator’s quiescent current is low (<3μA total in shutdown) and well-controlled in dropout, making it an excellent choice for battery-powered circuits. A 0.01μF bypass capacitor to each regulator reduces output voltage noise to 20μVRMS (positive regulator)/30μVRMS (negative regulator) over a 10Hz to 100kHz bandwidth. The LT3032 is stable with minimum output capacitor of 2.2μF. The regulators do not require any additional ESR. Internal protection circuitry includes reverse output protection, current limiting and thermal limiting. Each regulator is offered as an adjustable output device with an output voltage range down to the ±1.22V reference voltages.
EVAL-ADMX1001
Ultra-low Distortion Signal Generator Measurement Module with Fully Differential Input Acquisition Channel
ADMX1001 - Top View ADMX1001 - Bottom View ADMX1001 - Angle View ADMX1001FMCZ - Top View ADMX1001FMCZ - Bottom View ADMX1001FMCZ - Angle View EVAL-ADMX100X-FMCZKIT - Angle View EVAL-ADMX100X-FMCZKIT - Top View
EVAL-ADMX1001
Ultra-low Distortion Signal Generator Measurement Module with Fully Differential Input Acquisition Channel
ADMX1001 - Top View ADMX1001 - Bottom View ADMX1001 - Angle View ADMX1001FMCZ - Top View ADMX1001FMCZ - Bottom View ADMX1001FMCZ - Angle View EVAL-ADMX100X-FMCZKIT - Angle View EVAL-ADMX100X-FMCZKIT - Top View
EVAL-ADMX1002
Ultra-low Distortion Signal Generator Measurement Module
EVAL-ADMX100X-FMCZKIT - Angle View EVAL-ADMX100X-FMCZKIT - Top View ADMX1002 - Angle View ADMX1002 - Top View ADMX1002 - Bottom View
EVAL-ADMX1002
Ultra-low Distortion Signal Generator Measurement Module
EVAL-ADMX100X-FMCZKIT - Angle View EVAL-ADMX100X-FMCZKIT - Top View ADMX1002 - Angle View ADMX1002 - Top View ADMX1002 - Bottom View
DC1622A
LT3032IDE Demo Board | Dual Positive/Negative, Low Noise, Low Dropout Linear Regulator, ±2.3V ≤ VIN ≤ ±20V, VOUT = ±1.2/±3.3/±5/±12/±15V @ ±150mA
DC1622A Demo Board DC1622A Demo Board DC1622A Demo Board DC1622A Demo Board DC1622A - Schematic
DC1622A
LT3032IDE Demo Board | Dual Positive/Negative, Low Noise, Low Dropout Linear Regulator, ±2.3V ≤ VIN ≤ ±20V, VOUT = ±1.2/±3.3/±5/±12/±15V @ ±150mA
DC1622A Demo Board DC1622A Demo Board DC1622A Demo Board DC1622A Demo Board DC1622A - Schematic

Reference Designs

Figure 1. CN0585 Simplified Block Diagram
Figure 1. CN0585 Simplified Block Diagram
EVAL-CN0585-FMCZ Angle Evaluation Board
EVAL-CN0585-FMCZ Top Evaluation Board
EVAL-CN0585-FMCZ Bottom Evaluation Board
EVAL-CN0585-FMCZ_KIT Angle Evaluation Board
EVAL-CN0585-FMCZ_KIT Top Evaluation Board
EVAL-CN0585-FMCZ_KIT Bottom Evaluation Board
CN0585 Circuits from the lab

Quad Channel, Low Latency, Data Acquisition and Signal Generation Module

View Detailed Reference Design

Features and Benefits

  • 4 Analog Input Channels with Configurable Voltage Ranges
  • 4 Analog Output Channels with Configurable Voltage Ranges
  • 200 ns Latency between ADC Measurement and DAC Settling
  • Analog Front End Interface Connector
  • Modeling and Simulation Compatible with MATLAB and Python
  • FMC Connector Interface to FPGA

Part Used

Resources

Design & Integration Tools

Videos

  • lazy blur
    VIDEO · 2022-10-31 03:03
    Low Latency Test and Measurement Kit – Hardware in the Loop
  • lazy blur
    VIDEO · 2023-04-03 03:08
    Personalized Low Latency Hardware in the Loop (HiL) Solution
Figure 1. EVAL-CN0560-FMCZ Simplified Block Diagram
Figure 1. EVAL-CN0560-FMCZ Simplified Block Diagram
EVAL-CN0560-FMCZ Evaluation Board
EVAL-CN0560-FMCZ Evaluation Board - Top View
EVAL-CN0560-FMCZ Evaluation Board - Bottom View
CN-0560 and SDP-H1
CN0560 Circuits from the lab

High Precision, Wide Bandwidth Current Measurement Signal Chain

View Detailed Reference Design

Features and Benefits

  • Selectable Current Input Range with Protection
  • 10 A, 10mA, 10uA Measurement Range
  • Oversampling Enables up to 111 dB of Dynamic Range
CN0585
Quad Channel, Low Latency, Data Acquisition and Signal Generation Module
Figure 1. CN0585 Simplified Block Diagram
EVAL-CN0585-FMCZ Angle Evaluation Board
EVAL-CN0585-FMCZ Top Evaluation Board
EVAL-CN0585-FMCZ Bottom Evaluation Board
EVAL-CN0585-FMCZ_KIT Angle Evaluation Board
EVAL-CN0585-FMCZ_KIT Top Evaluation Board
EVAL-CN0585-FMCZ_KIT Bottom Evaluation Board
CN0560
High Precision, Wide Bandwidth Current Measurement Signal Chain
Figure 1. EVAL-CN0560-FMCZ Simplified Block Diagram
EVAL-CN0560-FMCZ Evaluation Board
EVAL-CN0560-FMCZ Evaluation Board - Top View
EVAL-CN0560-FMCZ Evaluation Board - Bottom View
CN-0560 and SDP-H1

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