Datasheet > LDA1-CP1

LDA1-CP1

更新时间： 2024-11-29 05:41:39

品牌	Logo	应用领域
其他 - ETC		驱动器
页数	文件大小	规格书
5页	50K
描述
Dual Mode Laser Driver

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数据手册

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LDA1-CP1 数据手册

Analog Technologies, Inc.

Dual Mode Laser Driver

LDA1-CP1

Main features: high power, high precision, high stability, high efficiency, and small package.

Applications: DPSS, EDFA, and instrumentations.

Part number:

LDA1-CP1

Maximum output current: 2A

Maximum output voltage on LDA:

0.9´ Vps

Laser current and power indication voltage: 0 to 2.5V

Laser current indication absolute accuracy: ±0.5%

Laser current set-point voltage:

Laser power set-point voltage:

Current output noise:

0 to 2.5V

0.05% (RMS)@2A

3.2V to 5.5V

Power supply input voltage:

Operation mode:

ACC (Automatic Current Control) and

APC (Automatic Power Control)

0°C to +85°C

Operating temperature:

Module dimension (approximately):

25.4mm ´ 20 mm ´ 4.6mm

Pin Descriptions

Figure 2 illustrates the pin assignment on the module and basic application schematics.

Pin 1 SDNG, shut down, digital input. Negative logic, >2.3V = enable, <0.5V = shut down, norminal

threshold voltage = 1V. Its internal circuit is shown in Figure 2. The diode is for shortening the

shut down time.

Pin 2 CLPGD, control loop good indication, digital output. A HI level indicates control loop locked.

This pin is an open drain output and pulled up by a 20K resistor to VPS.

Pin 3 P/CM, power/current mode indication, analog output. HI = power mode, LO = current mode.

Low output impedance, capable of driving 20mA load.

Pin 4 GND, signal ground pin. Connect ADC and DAC grounds to here.

Pin 5 2.5V, reference voltage, analog output. It is used by the internal DACs as the reference voltage. It

can source and sink 5mA current with 20ppm/°C stability max.

Pin 6 LIS, laser current set-point voltage, analog input. 0V to 2.5V sets the output current from 0 to 2A

linearly. The input impedance of this pin is 100KW. This pin can be set by an external analog

signal source, such as the output of a closed-looped op-amp, POT, or DAC.

Pin 7 LIO, laser current output indication, analog output. 0V to 2.5V indicates the laser current of from

0 to 2A linearly.

550 E. Weddell Drive, Suite 4, Sunnyvale, CA 94089, U. S. A. Tel.: (408) 747-9760, Fax: (408) 747-9770, Web: www.analogtechnologies.com

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