Datasheet > TSL257T

TSL257T

更新时间： 2024-01-30 15:38:23

品牌	Logo	应用领域
TAOS		转换器
页数	文件大小	规格书
10页	177K
描述
HIGH-SENSITIVITY LIGHT-TO-VOLTAGE CONVERTER

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技术参数
数据手册

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TSL257T 技术参数

是否Rohs认证：	符合	生命周期：	Active
Reach Compliance Code：	unknown	风险等级：	5.61
Base Number Matches：	1

TSL257T 数据手册

TSL257T

HIGH-SENSITIVITY

LIGHT-TO-VOLTAGE CONVERTER

TAOS065B − APRIL 2007

PACKAGE T

4-LEAD SMD

(TOP VIEW)

D Converts Light Intensity to Output Voltage

D Monolithic Silicon IC Containing

Photodiode, Operational Amplifier, and

Feedback Components

N/C 1

4 OUT

3 V_DD

D High Sensitivity

GND 2

D Single Voltage Supply Operation (2.7 V to

5.5 V)

D High Irradiance Responsivity . . . Typical

680 mV/(μW/cm ) at λ = 640 nm

D Low Noise (200 μVrms Typ to 1 kHz)

D Rail-to-Rail Output

D High Power-Supply Rejection (35 dB at

1 kHz)

D Low-Profile Surface-Mount Package

D RoHS Compliant

Description

The TSL257T is a high-sensitivity low-noise light-to-voltage optical converter that combines a photodiode and

a transimpedance amplifier on a single monolithic CMOS integrated circuit. Output voltage is directly

proportional to light intensity (irradiance) on the photodiode. The TSL257T has a transimpedance gain of

320 MΩ. The device has improved offset voltage stability and low power consumption and is supplied in a

compact 4-lead surface-mount package.

Functional Block Diagram

−

Voltage

Output

Terminal Functions

TERMINAL

DESCRIPTION

T PKG

NO.

NAME

GND

OUT

Power supply ground (substrate). All voltages are referenced to GND.

Output voltage.

Supply voltage.

No connection.

N/C

The LUMENOLOGY r Company

Texas Adva^rnced Optoelectronic Solutions Inc.

1001 Klein Road S Suite 300 S Plano, TX 75074 S (972) 673-0759

www.taosinc.com

12 3 4 5 6 7...10

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