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TSL267

HIGH-SENSITIVITY IR LIGHT-TO-VOLTAGE CONVERTER

austriamicrosystems AG 

TSL267

HIGH-SENSITIVITY

IR LIGHT-TO-VOLTAGE CONVERTER

TAOS033E − SEPTEMBER 2007

Switching Characteristics at VDD = 5 V, TA = 25°C, λp = 940 nm, RL = 10 kΩ (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN TYP MAX

UNIT

tr Output pulse rise time, 10% to 90% of final value

See Note 7 and Figure 1

160 250

μs

tf Output pulse fall time, 10% to 90% of final value

See Note 7 and Figure 1

150 250

μs

ts Output settling time to 1% of final value

See Note 7 and Figure 1

330

μs

Integrated noise voltage

f = dc to 1 kHz Ee = 0

200

μVrms

f = 10 Hz

Vn Output noise voltage, rms

f = 100 Hz

f = 1 kHz

lid NOTE 7: Switching characteristics apply over the range VO = 0.1 V to 4.5 V.

Ee = 0

Ee = 0

Ee = 0

6

6

μV/√Hz rms

7

va PARAMETER MEASUREMENT INFORMATION

ill Pulse

Generator

t LED

s AG nt s (see Note A)

VDD

Ee

2

TSL267

−

+

1

Input

3

Output

RL

Output

(see Note B)

tr

tf

90%

90%

10%

10%

TEST CIRCUIT

VOLTAGE WAVEFORM

e NOTES: A. The input irradiance is supplied by a pulsed GaAs light-emitting diode with peak wavelength: λp = 940 nm,

m t tr < 1 μs, tf < 1 μs.

B. The output waveform is monitored on an oscilloscope with the following characteristics: tr < 100 ns, Zi ≥ 1 MΩ, Ci ≤ 20 pF.

Technicaal con Figure 1. Switching Times

The LUMENOLOGY r Company

r

r

www.taosinc.com

Copyright E 2007, TAOS Inc.

3

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