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參數(shù)資料
| 型號： | TSL238 |
| 廠商： | TAOS Inc. |
| 英文描述： | HIGH-SENSITIVITY LIGHT-TO-FREQUENCY CONVERTER |
| 中文描述： | 高靈敏度光到頻率轉(zhuǎn)換器 |
| 文件頁數(shù)： | 2/12頁 |
| 文件大?。?/td> | 188K |
| 代理商： | TSL238 |
TSL238
HIGH-SENSITIVITY
LIGHT-TO-FREQUENCY CONVERTER
TAOS073F
OCTOBER 2007
2
Copyright 2007, TAOS Inc.
The
LUMENOLOGY
Company
www.taosinc.com
Terminal Functions
TERMINAL
NAME
D PKG
NO.
TYPE
DESCRIPTION
GND
NC
NC
6
Power supply ground. All voltages are referenced to GND.
No connection.
Substrate. Pin 4 is resistively connected to the substrate of the die, which is at the same potential as pin 6.
Pin 4 must either be connected to pin 6 or left unconnected. Pin 4 cannot be used for a ground connection
by itself.
1, 2, 3
4
OE
OUT
V
DD
5
8
7
I
Enable for f
O
(active low).
Output frequency.
Supply voltage.
O
Absolute Maximum Ratings over operating free-air temperature range (unless otherwise noted)
Supply voltage, V
DD
(see Note 1)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Input voltage range, V
I
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Output current, I
O
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Short circuit of output to ground duration
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating free-air temperature range, T
A
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage temperature range, T
stg
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Solder conditions in accordance with JEDEC J
STD
020A, maximum temperature (see Note 2)
6 V
0.3 V to V
DD
+0.3 V
±
5 mA
5 s
25
°
C to 70
°
C
40
°
C to 85
°
C
. . .
260
°
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.
NOTES:
1. All voltage values are with respect to GND.
2. The device may be hand soldered provided that heat is applied only to the solder pad and no contact is made between the tip of
the solder iron and the device lead. The maximum time heat should be applied to the device is 5 seconds.
Recommended Operating Conditions
MIN
2.7
NOM
MAX
5.5
V
DD
0.5
UNIT
V
V
Supply voltage, V
DD
High-level input voltage, V
IH
Low-level input voltage, V
IL
Operating free-air temperature range, T
A
5
0.8
×
V
DD
0
V
25
70
°
C
Electrical Characteristics at V
DD
= 5 V, T
A
= 25
°
C (Note 1) (unless otherwise noted)
PARAMETER
TEST CONDITIONS
I
OH
=
1 mA
I
OL
= 1 mA
MIN
TYP
4.5
0.25
MAX
UNIT
V
V
μ
A
μ
A
mA
kHz
ppm/
°
C
%/V
V
OH
V
OL
I
IH
I
IH
I
DD
High-level output voltage
Low-level output voltage
High-level input current
Low-level input current
Supply current
Full-scale frequency (Note 2)
Temperature coefficient of output frequency
Supply-voltage sensitivity
4
0.4
10
10
10
10
E
e
= 21.2
μ
W/cm
2
T
A
= 50
°
C (Note 3)
Wavelength < 700nm, f
O
= 50 kHz
V
DD
= 5 V
±
10%
2
3
500
1000
±
200
±
0.5
k
SVS
NOTES:
1. The input irradiance is supplied with green LED light source with peak wavelength = 524 nm.
2. Full-scale frequency is the maximum frequency of the device without saturation. Higher irradiance will not result in any additional
increase of output frequency. The output frequency will remain at approximately the saturation frequency to a minimum of 1000
μ
W/sqcm 524-nm irradiance. During production testing, devices are not tested at this very high irradiance level.
3. Measured at wafer probe using 50
°
C hot chuck.
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