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Solutions Search - Sensor Bias

DC1956A - LT3905 Demo Board | Boost with APD Current Monitor, 2.7V ≤ VIN ≤ 12V, Vout = 50V @ 2mA

Feb 3rd 2014
Demonstration circuit 1956A features the LT®3905, a boost DC/DC Converter with APD current monitor that comes in a 3mm × 3mm QFN package. This demo board is designed to convert a 2.7V to 12V input to a 50V output at 2mA. The LT3905 is equipped with indicators for monitoring APD current, overload, and loss-of-signal ...

Demo Board LTspice 

 

LT3905 Wide Output Range Constant Current APD Driver

Nov 7th 2013
The LT3905 is a fixed frequency current-mode step-up converter designed to bias avalanche photodiodes (APD) in optical receivers. The LT3905 features high side APD current monitoring over five decades of dynamic range with better than 2% relative accuracy over the 3μA to 3mA range. ...

Circuit 

 

LT3905 Adjustable APD Bias Supply

Nov 7th 2013
The LT3905 is a fixed frequency current-mode step-up converter designed to bias avalanche photodiodes (APD) in optical receivers. The LT3905 features high side APD current monitoring over five decades of dynamic range with better than 2% relative accuracy over the 3μA to 3mA range. ...

Circuit LTspice 

 

5V to 69V Low Noise APD Bias Supply with Soft-Start

Jan 22nd 2009
The LT3571 is a current mode step-up DC/DC converter designed to bias avalanche photodiodes (APDs) in optical receivers with an output voltage up to 75V. The LT3571 features a high side fi xed voltage drop APD current monitor with better than 10% relative accuracy over the entire temperature range. The integrated power switch, ...

Circuit 

 

3.3V to 50V Low Noise APD Bias Power Supply

Jan 22nd 2009
The LT3571 is a current mode step-up DC/DC converter designed to bias avalanche photodiodes (APDs) in optical receivers with an output voltage up to 75V. The LT3571 features a high side fi xed voltage drop APD current monitor with better than 10% relative accuracy over the entire temperature range. The integrated power switch, ...

Circuit 

 

3.3V to 50V Low Noise APD Bias Supply With Ultrafast Current Monitor Transient Speed

Jan 22nd 2009
The LT3571 is a current mode step-up DC/DC converter designed to bias avalanche photodiodes (APDs) in optical receivers with an output voltage up to 75V. The LT3571 features a high side fixed voltage drop APD current monitor with better than 10% relative accuracy over the entire temperature range. The integrated power switch, ...

Circuit 

 

5V to 45V Low Noise APD Bias Power Supply

Jan 22nd 2009
The LT3571 is a current mode step-up DC/DC converter designed to bias avalanche photodiodes (APDs) in optical receivers with an output voltage up to 75V. The LT3571 features a high side fi xed voltage drop APD current monitor with better than 10% relative accuracy over the entire temperature range. The integrated power switch, ...

Circuit 

 

5V to 50V Low Noise APD Bias Power Supply with Temperature Compensation

Jan 22nd 2009
The LT3571 is a current mode step-up DC/DC converter designed to bias avalanche photodiodes (APDs) in optical receivers with an output voltage up to 75V. The LT3571 features a high side fixed voltage drop APD current monitor with better than 10% relative accuracy over the entire temperature range. The integrated power switch, ...

Circuit 

 

How To Build a Low Noise Power Supply for High Voltage (i.e. 100V up to 1000V) Transducers

Jim Williams - Applications Guru Sep 15th 2008
A Kilovolt with 100 Microvolts of Noise Photomultipliers (PMT), avalanche photodiodes (APD), ultrasonic transducers, capacitance microphones, radiation detectors and similar devices require high voltage, low current bias. Additionally, the high voltage must be pristinely free of noise; well under a millivolt is a common requirement ...

Video 

 

Li-Ion Powered Supply for CCD Imager and Five White Backlight LEDs

Aug 18th 2008
The LT3587 provides a complete biasing solution for CCD (15V@50mA, -8V@100mA) and LED backlighting from a single Li-Ion cell ...

Circuit 

 

Complete Power Solution For Portable Cameras

Aug 18th 2008
The LT3587 and LT3586 can combine to provide all required supplies for a digital camera: 3.3V@1A for system I/O, 1.8V@400mA for memory, 1.6V@400mA for core supply, 5V@800mA for audio/motor drive, positive (15V@50mA) and negative (-8V@100mA) CCD imager bias and white LED backlighting ...

Circuit 

 

2 AA Cells Provide CCD Positive and Negative Supply and Three White LED Backlight LED Driver

Aug 18th 2008
The LT3587 provides a complete biasing solution for CCD (12V@10mA, -8V@20mA) and LED backlighting from 2 AA cells ...

Circuit 

 

Driver For CCD Imager and an OLED Display Panel With Soft Start

Aug 18th 2008
The three outputs of the LT3587 can be configured to provide positive (+15V@50mA) and negative (-8V@100mA) bias for a CCD imager as well as 16V@20mA to bias an OLED display ...

Circuit 

 

3.3V to 70V Low Noise APD Bias Power Supply with Fast Current Monitor Response

Mar 12th 2007
The LT3482 is a fixed frequency current mode step-up DC/DC converter with voltage doubler designed to bias avalanche photodiodes (APDs) in optical receivers. It can provide up to 90V output. The LT3482 features high side APD current monitoring with better than 10% relative accuracy over the entire temperature range. The integrated ...

Circuit 

 

5V to 85V Low Noise APD Bias Power Supply

Mar 12th 2007
The LT3482 is a fixed frequency current mode step-up DC/DC converter with voltage doubler designed to bias avalanche photodiodes (APDs) in optical receivers. It can provide up to 90V output. The LT3482 features high side APD current monitoring with better than 10% relative accuracy over the entire temperature range. The integrated ...

Circuit 

 

3.3V to 40V Low Noise APD Bias Power Supply

Mar 12th 2007
The LT3482 is a fixed frequency current mode step-up DC/DC converter with voltage doubler designed to bias avalanche photodiodes (APDs) in optical receivers. It can provide up to 90V output. The LT3482 features high side APD current monitoring with better than 10% relative accuracy over the entire temperature range. The integrated ...

Circuit 

 

5V to 45V Low Noise ADP Bias Topology with Fast Current Monitor Transient Response

Mar 12th 2007
The LT3482 is a fixed frequency current mode step-up DC/DC converter with voltage doubler designed to bias avalanche photodiodes (APDs) in optical receivers. It can provide up to 90V output. The LT3482 features high side APD current monitoring with better than 10% relative accuracy over the entire temperature range. The integrated ...

Circuit 

 

+15V and -8V Low Vin (2.7V to 5V Vin) CCD Bias

May 3rd 2006
Postive (15V@40mA) and negative (-8V@80mA) bias voltages for a CCD imager can be generated from a 2.7V to 5V input supply by the LT3487 ...

Circuit 

 

+15V and -8V Boost and Inverting CCD Bias

May 3rd 2006
The dual boost/inverting LT3487 can provide both the positive (15V@45mA) and negative (-8V@90mA) bias voltages for a CCD imager ...

Circuit LTspice 

 

High-Side Transimpedance Amplifier & APD Monitor

Mar 17th 2005
Current through a photodiode with a large reverse bias potential is converted to a ground referenced output voltage directly through an LTC6101. The supply rail can be as high as 70V. Gain of the I to V conversion, the trans- impedance, is set by the selection of resistor RL. ...

Circuit 

 

LT3472 Li-Ion CCD Bias Supply (15V, -8V)

Sep 8th 2004
The LT3472 delivers up to –8V at 50mA and 15V at 20mA from a lithium-ion cell, providing bias for many popular CCD imagers ...

Circuit 

 

CCD Bias Supply (15V, -8V)

Dec 5th 2003
From 2.7V to 5V input, the LT3463 generate the positive (15V@10mA) and negative (-8V@50mA) bias voltages required for CCD imaging sensors ...

Circuit 

 

APD DC Coupled Current Monitor from 20V to 90V APD Bias

Jan 1st 1987
APD current monitor that operates at High Common Mode Voltage and simplifies signal conditioning using instrumentation amplifier and a Delta Sigma ADC. ...

Circuit