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Analog Devices’ Low Dropout Regulators delivers precision in High Data Rates

Analog Devices

Analog Devices announces two series of low dropout regulators (LDOs) offering ultra-low noise performance which improve receiver, transmitter, and audio quality. The new LDOs enable cleaner power rails, faster transient response, and higher power supply rejection ratio (PSRR) in noise-sensitive precision analog and RF applications, particularly when higher data rates are involved.

Key Features

  • The ADP176x and ADP715x LDOs support a growing set of noise-sensitive applications including RF transceivers, voltage-controlled oscillators, phase-locked-loop synthesizers, clocks, and high-speed A/D and D/A converters.
  • The new LDOs also reduce PCB size and cost by eliminating the need for additional passive components including extra external filters and bypass capacitors.
  • The ADP176x and ADP715x LDOs offer excellent noise and PSRR performance.
  • The ADP176x series delivers up to 3A of output current and operates across an output voltage range of 0.5V to 1.5V. This combination of lower voltage output operation addresses the high-current core rail requirements in many emerging applications.

The new rollout supports an output range of 1.2V to 3.3V and claims to deliver industry leading noise performance of 1.6 µVrms from 10 Hz to 100 kHz while expanding the LDO output current range for this ultra-low sub-2 µVrms (100 Hz to 100 kHz) from noise up to 2A maximum. This combination of ultra-low noise and higher PSRR performance set new benchmarks for higher LDO power levels.

Target applications for the ADP176x and ADP715x LDOs include wireless base stations, wired communications, industrial instrumentation, high-end audio equipment, and medical devices.

Pricing and Availability

Product Output Voltage Range Sample Availability Full Production Price Each Per 1,000 Packaging
ADP1761

ADP1762

ADP1763

0.5V to 1.5V Now April 2016 ADP1761  $3.09

ADP1762 $3.49

ADP1763 $3.99

3x3mm

16-lead LFCSP

ADP7156

ADP7157

ADP7158

ADP7159

1.2V to 3.3V Now April 2016 ADP7156 $2.69

ADP7157 $2.69

ADP7158 $3.05

ADP7159 $3.05

3x3mm 10-lead LFCSP
ADP7156

ADP7157
ADP7158

ADP7159

1.2V to 3.3V Now April 2016 ADP7156 $2.69

ADP7157  $2.69 ADP7158 $3.05

ADP7159 $3.05

8-lead SOIC
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