參數(shù)資料
型號(hào): 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(yè)數(shù): 2/6頁(yè)
文件大?。?/td> 79K
代理商: TSL257
TSL257
HIGHSENSITIVITY
LIGHTTOVOLTAGE CONVERTER
TAOS023A – JULY 2000
2
www.taosinc.com
Copyright 2001, TAOS Inc.
Absolute Maximum Ratings over operating free-air temperature range (unless otherwise noted)
Supply voltage, V
DD
(see Note 1)
Output current, I
O
Duration of short-circuit current at (or below) 25
°
C
Operating free-air temperature range, T
A
Storage temperature range, T
stg
Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds
6 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
±
10 mA
5 s
–25
°
C to 85
°
C
–25
°
C to 85
°
C
240
°
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
NOTE 1: All voltages are with respect to GND.
Recommended Operating Conditions
MIN
MAX
UNIT
Supply voltage, V
DD
Operating free-air temperature, T
A
2.7
5.5
V
°
C
0
70
Electrical Characteristics at V
DD
= 5 V, T
A
= 25
°
C,
λ
p
= 470 nm, R
L
= 10 k
(unless otherwise noted)
(see Notes 2 and 3)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
V
D
Dark voltage
E
e
= 0
V
DD
= 4.5 V,
V
DD
= 4.5 V,
E
e
= 1.54
μ
W/cm
2
,
λ
p
= 470 nm, Note 5
T
A
= 0
°
C to 70
°
C
λ
p
= 428 nm, see Notes 4 and 8
λ
p
= 470 nm, see Notes 5 and 8
λ
p
= 565 nm, see Notes 6 and 8
λ
p
= 645 nm, see Notes 7 and 8
f
ac
= 100 Hz, see Note 9
f
ac
= 1 kHz, see Note 9
E
e
= 1.54
μ
W/cm
2
,
λ
p
= 470 nm, Note 5
0
15
mV
V
OM
Maximum output voltage swing
No Load
R
L
= 10 k
4.49
V
4
4.2
V
O
α
VD
Output voltage
1.6
2
2.4
V
Temperature coefficient of dark voltage (V
D
)
–15
μ
V/
°
C
1.18
N
e
Irradiance responsivity
1.30
V/( W/cm
2
)
1.58
1.68
PSRR
Power supply rejection ratio
55
dB
35
1.9
dB
mA
I
DD
NOTES:
Supply current
2. Measured with R
L
= 10 k
between output and ground.
3. Optical measurements are made using small-angle incident radiation from a light-emitting diode (LED) optical source.
4. The input irradiance is supplied by a GaN/SiC light-emitting diode with the following characteristics: peak wavelength
λ
p
= 428 nm,
spectral halfwidth
λ
= 65 nm.
5. The input irradiance is supplied by an InGaN light-emitting diode with the following characteristics: peak wavelength
λ
p
= 470 nm,
spectral halfwidth
λ
= 35 nm.
6. The input irradiance is supplied by a GaP light-emitting diode with the following characteristics: peak wavelength
λ
p
= 565 nm,
spectral halfwidth
λ
= 28 nm.
7. The input irradiance is supplied by an AlGaAs light-emitting diode with the following characteristics: peak wavelength
λ
p
= 645 nm,
spectral halfwidth
λ
= 25 nm.
8. Irradiance responsivity is characterized over the range V
O
= 0.1 V to 4.5 V. The best-fit straight line of Output Voltage V
O
versus
Irradiance E
e
over this range will typically have a positive extrapolated V
O
value for E
e
= 0.
9. Power supply rejection ratio PSRR is defined as 20 log (
V
DD
(f)/
V
O
(f)) with V
DD
(f = 0) = 5 V and V
O
(f = 0) = 2 V.
3.5
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