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參數(shù)資料
| 型號： | TSL257 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | HIGHSENSITIVITY LIGHTTOVOLTAGE CONVERTER |
| 中文描述： | 高靈敏度光電壓轉(zhuǎn)換器 |
| 文件頁數(shù)： | 3/6頁 |
| 文件大小： | 79K |
| 代理商： | TSL257 |
TSL257
HIGHSENSITIVITY
LIGHTTOVOLTAGE CONVERTER
TAOS023A – JULY 2000
3
www.taosinc.com
Copyright 2001, TAOS Inc.
Switching Characteristics at V
DD
= 5 V, T
A
= 25
°
C,
λ
p
= 470 nm, R
L
= 10 k
(unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
μ
s
μ
s
μ
s
μ
Vrms
t
r
t
f
t
s
Output pulse rise time, 10% to 90% of final value
See Note 10 and Figure 1
160
250
Output pulse fall time, 10% to 90% of final value
See Note 10 and Figure 1
150
250
Output settling time to 1% of final value
See Note 10 and Figure 1
330
Integrated noise voltage
f = dc to 1 kHz
f = 10 Hz
E
e
= 0
E
e
= 0
E
e
= 0
E
e
= 0
200
6
V
Output noise voltage, rms
f = 100 Hz
f = 1 kHz
6
7
V/
Hz rms
μ
√
n
g ,
NOTE 10: Switching characteristics apply over the range V
O
= 0.1 V to 4.5 V.
PARAMETER MEASUREMENT INFORMATION
VOLTAGE WAVEFORM
TEST CIRCUIT
Input
E
e
10%
90%
Output
(see Note B)
t
r
TSL257
R
L
V
DD
2
1
3
+
–
Output
Pulse
Generator
LED
(see Note A)
t
f
90%
10%
NOTES: A. The input irradiance is supplied by a pulsed InGaN light-emitting diode with the following characteristics:
λ
p
= 470 nm,
t
r
< 1
μ
s, t
f
< 1
μ
s.
B. The output waveform is monitored on an oscilloscope with the following characteristics: t
r
< 100 ns, Z
i
≥
1 M
, C
i
≤
20 pF.
Figure 1. Switching Times
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