Datasheet > ISL58328CIZ-T7A

ISL58328CIZ-T7A

更新时间： 2024-11-05 01:08:15

品牌	Logo	应用领域
瑞萨 - RENESAS		/
页数	文件大小	规格书
14页	634K
描述
5V Wide Optical Spectrum Laser Power Monitor IC

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ISL58328CIZ-T7A 数据手册

DATASHEET

ISL58328

FN6329

Rev 2.00

Jul 29, 2013

5V Wide Optical Spectrum Laser Power Monitor IC

The ISL58328 photo sensor IC has a wide optical spectral

sensitivity from 400nm to 1000nm. It is good for multiple light

sources application, such as laser based projectors. ISL58328

has two banks of three sets of gain registers. For a Pico-

Projector application, the two banks of gain resistors can be

used to monitor bias level and peak level of each wavelength.

Bank switching is done by applying a TTL compatible logic

signal to HL pin. The three sets of gain registers can be used to

adjust optical-to-electrical conversion gain for each RED,

GREEN, and BLUE laser or any wavelength in a spectral range

for application. The ISL58328 is a single die device that has a

photo detector of 0.7mm diameter in the center of the die.

Photo current signal is amplified through TIA, fine gain

amplifier, and output drivers to convert from current to voltage.

The output of ISL58328 can be configured to be either

differential or single-ended. Gain changing according to each

wavelength is done through 3-wire interface. Registers can be

updated in real time while the device is in operation.

Features

• High Sensitivity from 400nm to 1000nm with Patented

Technology for Improved Blue Photo Response

• Differential Voltage Output or Single-Ended Output

• Internal Output Reference or External Output Reference

• Single +5V Power Supply

• Serial Interface for Gain Calibration

• Fast Settling Time < 20ns

• Wide Signal Bandwidth > 80MHz

• Wide Signal Gain Dynamic Range > 25dB

• Low Power Consumption

• Low Output Offset < 50mV

• Small 9-Ball Optical Chip Scale Package (OCSP)

(2.2mmx2.2mm)

The ISL58328 operates from a single +5.0V supply. It is

available in a space-saving 9 ball glass top BGA package.

• SPI 3-wire Serial Interface

Applications

Related Literature

• AN1356, “Serial Bus Specification”

• AN1448, “BD/HD-DVD/DVD/CD PMIC”

• Optical Power Monitoring

• Laser Based Pico-Projectors or Projection TV

• Laser Auto Power Control for Laser Based Application

• White Balance for LED Based LCos and DLP Pico-Projectors

ITO

DRIVER

VIDEO

FRONT END

LCOS

OPTIC FEEDBACK

OEIC

ISL58328

AND

DRIVER

VIDEO

PROCESSOR

5.0V

3.3V

2.5V

1.8V

1.2V

MCU

LASER DIODE

DRIVER

DC/DC

LASER

DIODE

FIGURE 1. APPLICATION BLOCK DIAGRAM

FN6329 Rev 2.00

Jul 29, 2013

Page 1 of 14

12 3 4 5 6 7...14

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