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ADI adds LDOs with ultra-low noise performance

ADI adds LDOs with ultra-low noise performance

New Products |
By Graham Prophet



 

The LDOs enable cleaner power rails, faster transient response, and higher power supply rejection ratio (PSRR) in noise-sensitive precision analogue and RF applications, particularly when higher data rates are involved.

 

The ADP176x and ADP715x LDOs support a growing set of noise-sensitive applications including RF transceivers, voltage-controlled oscillators, phase-locked-loop synthesisers, clocks, and high-speed A/D and D/A converters. The LDOs also reduce PCB size and cost by eliminating the need for additional passive components including extra external filters and bypass capacitors.

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 ADP715x series supports an output range of 1.2V to 3.3V and delivers 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, ADI asserts.

 

 

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

 

 

Analog Devices; www.analog.com/ADP1763 and www.analog.com/ADP7159

 

 

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