TSL267(2001) Просмотр технического описания (PDF) - TEXAS ADVANCED OPTOELECTRONIC SOLUTIONS

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TSL267
(Rev.:2001)

HIGH-SENSITIVITY IR LIGHT-TO-VOLTAGE CONVERTER

TEXAS ADVANCED OPTOELECTRONIC SOLUTIONS 

TSL267

HIGHĆSENSITIVITY

IR LIGHTĆTOĆVOLTAGE CONVERTER

TAOS033 – OCTOBER 2001

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

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

See Note 7 and Figure 1

ts Output settling time to 1% of final value

See Note 7 and Figure 1

Integrated noise voltage

f = dc to 1 kHz Ee = 0

f = 10 Hz

Ee = 0

Vn Output noise voltage, rms

f = 100 Hz

Ee = 0

f = 1 kHz

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

Ee = 0

160 250

µs

150 250

330

200

6

µs

µs

µVrms

6

µV/√Hz rms

7

PARAMETER MEASUREMENT INFORMATION

Pulse

Generator

LED

(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

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

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.

Figure 1. Switching Times

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Copyright E 2001, TAOS Inc.

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