LX1972AIBC datasheet(4/9 Pages) MICROSEMI

4 / 9 page

LX1972A

PRODUCTION DATA SHEET

Microsemi

Integrated Products Group

11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570

Page 4

Ambient Light Detector

Rev. 1.0, 2006-09-18

ELECTRICAL CHA RACTERISTICS

The following specifications apply over the operating ambient temperature -40

°C

≤ T

A ≤ 85°C except where otherwise noted and with

the following test conditions: See Note 1, VDD =5V, Rload = 5K

LX1972A

Parameter

Symbol

Test Conditions

Min

Typ

Max

Units

RESPONSE

Peak Spectral Response

λPR

580

Infrared Response

)

(

)

(

EV(white) = 1000 Lux, EV(810nm) = 146µW/cm²,

Note 3

-5

EV = 100 Lux

1.4

EV = 1000 Lux

2.2

2.7

Minimum Operational Voltage

VDD-VSS

EV = 2000 Lux

2.8

EV = 10 Lux, Note 2

1.8

2.4

EV = 100 Lux, Note 2

EV = 1000 Lux, Note 2

176

235

294

Light Current

ISS

EV = 2000 Lux, Note 2;

353

470

587

μA

Gain Linearity

10 Lux ≤ EV ≤ 1000 Lux

-15

EV = 0 Lux, TA = 25°C

Dark Current

IDD(DARK)

EV = 0 Lux

200

Power Supply Rejection Ratio

PSRR

VRIPPLE = 10mVP-P, f = 10kHz

-25

Radiant Sensitive Area

0.04

Notes:

The input irradiance (EV) is supplied from a white light-emitting diode (LED) optical source.

See Figure 1.

See Figure 2.

TE ST CI RCUIT S

Part

LX1972A

VSS

VDD

White

LED

Figure 1 –

Operational Voltage Measurement Circuit

Part

LX1972A

VSS

VDD

White

LED

810nm

Figure 2 –

IR Sensitivity Measurement Circuit

LX1972AIBC Datenblatt(PDF) 4 Page - Microsemi Corporation

LX1972AIBC Datenblatt(HTML) 4 Page - Microsemi Corporation

Html Pages

1 2 3 4 5 6 7 8 9

Datenblatt Download

Link URL