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Part Number: AD9661A
Description: The AD9661A is a highly integrated driver for laser diode applications such as printers and copiers. The AD9661A get...
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AD9661A
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DataSheet
General Description
AD9661A General Description
The AD9661A is a highly integrated driver for laser diode applications such as printers and copiers. The AD9661A gets feedback from an external photo detector and includes an analog feedback loop to allow users to set the power level of the laser, and switch the laser on and off at up to 100 MHz. Output rise and fall times are 2 ns to complement printer applications that use image enhancing techniques such as pulse width modulation to achieve gray scale and resolution enhancement. Control signals are TTL/CMOS compatible.
The driver output provides up to 120 mA of current into an infrared N type laser, and the onboard disable circuit turns off the output driver and returns the light power control loop to a safe state.
The AD9661A can also be used in closed-loop applications in which the output power level follows an analog POWER LEVEL voltage input. By optimizing the external hold capacitor and the photo detector, the loop can achieve bandwidths as high as 25 MHz.
The AD9661A is offered in a 28-pin plastic SOIC for operation over the commercial temperature range (0°C to
+70°C).
AD9661A Maximum Ratings
| +VS | +6 V |
| POWER LEVEL, LEVEL SHIFT IN | 0 V to +VS |
| TTL/CMOS INPUTS | 0.5 V to +VS |
| Output Current | 200 mA |
| Operating Temperature AD9661AKR | 0°C to +70°C |
| Storage Temperature | 65°C to +150°C |
| Maximum Junction Temperature | +150°C |
| Lead Soldering Temp (10 sec) | +300°C |
AD9661A Features
< 2 ns Rise/Fall Times
Output Current: 120 mA
Single +5 V Power Supply
Switching Rate: 200 MHz typ
Onboard Light Power Control Loop
APPLICATIONS
Laser Printers and Copiers
Output Current: 120 mA
Single +5 V Power Supply
Switching Rate: 200 MHz typ
Onboard Light Power Control Loop
APPLICATIONS
Laser Printers and Copiers
AD9661A Connection Diagram
AD9661A
PDF/DataSheet Download
- Datasheet: AD9661A
- File Size: 179137 KB
- Manufacturer: AD [Analog Devices]
- Click here to Download
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