ADM7171

RECOMMENDED FOR NEW DESIGNS

6.5 V, 1 A, Ultralow Noise, High PSRR, Fast Transient Response CMOS LDO

Part Models
9
1ku List Price
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Part Details

  • Input voltage range: 2.3 V to 6.5 V
  • Maximum load current: 1 A
  • Low noise: 5 μV rms independent of output voltage at 100 Hz to 100 kHz
  • Fast transient response: 1.5 μs for 1 mA to 500 mA load step
  • 60 dB PSRR at 100 kHz
  • Low dropout voltage: 42 mV at 500 mA load, VOUT = 3 V
  • Initial accuracy: −0.5% (minimum), +1% (maximum)
  • Accuracy over line, load, and temperature: ±1.5%
  • Quiescent current, IGND = 0.7 mA with no load
  • Low shutdown current: 0.25 μA at VIN = 5 V
  • Stable with small 4.7 μF ceramic output capacitor
  • Adjustable and fixed output voltage options: 1.2 V to 5.0 V
  • Adjustable output from 1.2 V to VIN − VDO
  • Precision enable
  • Adjustable soft start
  • 8-lead, 3 mm × 3 mm LFCSP package
ADM7171
6.5 V, 1 A, Ultralow Noise, High PSRR, Fast Transient Response CMOS LDO
ADM7171 Functional Block Diagram ADM7171 Pin Configuration
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Hardware Ecosystem

Parts Product Life Cycle Description
LT1965 RECOMMENDED FOR NEW DESIGNS 1.1A, Low Noise, Low Dropout Linear Regulator
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Tools & Simulations

LTspice 1


Models for the following parts are available in LTspice:

  • ADM7171
  • ADM7171-1.3
  • ADM7171-1.8
  • ADM7171-2.5
  • ADM7171-3.0
  • ADM7171-3.3
  • ADM7171-4.2
  • ADM7171-5.0

ADI Linear Regulator Design Tool and Parametric Search

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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
AD-PZSDR2400TDD-EB

Two Channels, 2400MHz TDD Application

Product Details

The AD-PZSDR2400TDD-EB is a 2.4GHz TDD analog module designed to work with the AD9361, a high performance, highly integrated RF transceiver intended for use in RF applications, such as 3G and 4G base station and test equipment applications, and software defined radios. The AD-PZSDR2400TDD-EB is affectionately dubbed the first 'RF personality card'. It plugs into the ADRV1CRR-FMC carrier card. 35mm U.FL coaxial cables connect the card to the ADRV9361-Z7035 SDR SOM providing access to the transmit and receive inputs of the AD9361. Information on the card, how to use it, the design package that surrounds it, and the software which can make it work, can be found on the wiki page.


The purpose of the AD-PZSDR2400TDD-EB is to provide the user with a path to condition the transmit or receive signals of the AD9361. Selection of TX or RX path is achieved by the 200MHz to 2.7GHz SPDT switch HMC546 controlled by the FPGA and accompanying software. The transmit path consists of a 2.4GHz filter, half watt driver amplifier ADL5324 and 2 watt power amplifier HMC921. The receive path consists of the same 2.4GHz filter as well as a low loss LNA HMC669.

eval board
EVAL-ADM7170

ADM7170/ADM7171/ADM7172 Evaluation Board

Features and Benefits

  • Input voltage range: 2.3 V to 6.5 V
  • Output current range: 0 mA to 2 A (500 mA for ADM7170, 1 A for ADM7171, 2 A for ADM7172)
  • Output voltage accuracy: ±0.75% for ADM7170, −0.5%/+1% for ADM7171/ADM7172
  • Operating temperature range: −40°C to +125°C
  • Output voltage can also be adjusted up with two external resistors from any fixed output voltage option
  • VOUT = VOUT(FIXED) × (1 + R1/R2)

Product Details

The ADM7170ACP-EVALZ/ADM717Q1CP-EVALZ/ ADM7172ACP-EVALZ is an evaluation board used to demonstrate the functionality of the ADM7170, ADM7171, and ADM7172 linear regulators.

Simple device measurements, such as line and load regulation, dropout, and ground current, can be demonstrated with just a single voltage source, a voltmeter, an ammeter, and load resistors.

eval board
EVAL-AD9546

AD9546 Evaluation Board

Features and Benefits

  • Simple power connection using 6 V wall adapter and on-board LDO voltage regulators
  • Ten AC-coupled output SMA connectors, with output termination for HCSL
  • Two single ended AC-coupled reference inputs, usable also as a one differential AC-coupled reference input
  • One single ended AC-coupled reference input and 1 single ended DC-coupled reference input, configurable to create together a differential AC-coupled reference input
  • Pin programmable, power on ready configurability
  • Status LEDs
  • PC control using a USB connection
  • Microsoft Windows-based Evaluation Software with simple graphical user interface

Product Details

The AD9546 Evaluation Board is a compact, easy-to-use platform for evaluating all features of the AD9546 multiple input, 10-Output, Dual Channel, Numeric Clock Synchronizer. The AD9546 supports existing and emerging International Telecommunications Union (ITU) standards for the delivery of frequency, phase, and time of day over service provider packet networks, including ITU-G.8262, ITU-T G.812, ITU-T G.813, ITU-T G.823, ITU-T G.824, ITU-T G.825, and ITU-T G.8273.2.

The 10 clock outputs of the AD9546 are synchronized to any one of up to four input references. The digital phase-locked loops (DPLLs) reduce timing jitter associated with the external references. The digitally controlled loop and holdover circuitry continuously generate a low jitter output signal, even when all reference inputs fail. The AD9546 system clock is provided by a 52 MHz crystal. Alternatively, an external clock signal may be provided at a SMA connector (relative components must be populated to enable this functionality).

Applications

  • 5G timing transport high precision synchronization
  • Global positioning system (GPS), PTP (IEEE 1588), and synchronous Ethernet (SyncE) jitter cleanup and synchronization
  • Optical transport networks (OTN), synchronous digital hierarchy (SDH), and macro and small cell base stations
  • Small base station clocking (baseband and radio)
  • Stratum 2, Stratum 3e, and Stratum 3 holdover, jitter cleanup, and phase transient control
  • JESD204B support for analog-to-digital converter (ADC) and digital-to-analog converter (DAC) clocking
  • Carrier Ethernet

eval board
EVAL-ADMX1002

Ultra-low Distortion Signal Generator Measurement Module

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
AD-FREQCVT1-EBZ

TX/RX channels, Frequency conversion from 1‑100 MHz up to 400 MHz

Product Details

The AD-FREQCVT1-EBZ is an add on board for the FMCOMMS3/4/5 boards which contain the AD9361. While the complete chip level design package can be found on the ADI product pages, information on the card, how to use it, the design package that surrounds it, and the software which can make it work, can be found on the analog wiki site.

The purpose of the AD-FREQCVT1-EBZ is frequency up or down conversion to allow the AD9361 to operate down to 1MHz.

eval board
EVAL-ADMX1001

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

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

AD-PZSDR2400TDD-EB
Two Channels, 2400MHz TDD Application
AD-PZSDR2400TDD-EBZ-fbl PZSDR2400TDD-Front PZSDR2400TDD-Back PZSDR2400TDD-combined
EVAL-ADM7170
ADM7170/ADM7171/ADM7172 Evaluation Board
EVAL-ADM717x
EVAL-AD9546
AD9546 Evaluation Board
EVAL-AD9546 Evaluation Board EVAL-AD9546 Evaluation Board - Top View EVAL-AD9546 - 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
AD-FREQCVT1-EBZ
TX/RX channels, Frequency conversion from 1‑100 MHz up to 400 MHz
AD-FREQCVTI-EBZ Board AD-FREQCVTI-EBZ Block Diagram
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

Reference Designs

Figure 1. CN0523 Simplified Block Diagram
CN0523 Circuits from the lab

USB-Powered, 5.8 GHz RF Power Amplifier with Overtemperature Management

Features and Benefits

  • 5.8 GHz RF Power Amplifier
  • 24 dB of Gain
  • 50 Ohm matched SMA Input and Output Connectors
  • Over Temperature Monitoring
  • USB Powered
CN0523
USB-Powered, 5.8 GHz RF Power Amplifier with Overtemperature Management
Figure 1. CN0523 Simplified Block Diagram

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