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PDF TSL257 Data sheet ( Hoja de datos )
| Número de pieza | TSL257 | |
| Descripción | HIGHSENSITIVITY LIGHTTOVOLTAGE CONVERTER | |
| Fabricantes | TAOS | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de TSL257 (archivo pdf) en la parte inferior de esta página. Total 6 Páginas | ||
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D Converts Light Intensity to Output Voltage
D Monolithic Silicon IC Containing
Photodiode, Operational Amplifier, and
Feedback Components
D High Sensitivity
D Single Voltage Supply Operation (2.7 V to
5.5 V)
D Low Noise (200 µVrms Typ to 1 kHz)
D Rail-to-Rail Output
D High Power-Supply Rejection (35 dB at
1 kHz)
D Compact 3-Leaded Plastic Package
TSL257
HIGHĆSENSITIVITY
LIGHTĆTOĆVOLTAGE CONVERTER
TAOS023A – JULY 2000
PACKAGE
(FRONT VIEW)
123
GND VDD OUT
Description
The TSL257 is a high-sensitivity low-noise light-to-voltage optical converter that combines a photodiode and
a transimpedance amplifier on a single monolithic CMOS integrated circuit. Output voltage is directly
proportional to light intensity (irradiance) on the photodiode. The TSL257 has a transimpedance gain of 320 MΩ.
The device has improved offset voltage stability and low power consumption and is supplied in a 3-lead clear
plastic sidelooker package with an integral lens.
Functional Block Diagram
– Voltage
+ Output
Terminal Functions
TERMINAL
NAME NO.
GND
1
OUT
3
VDD
2
DESCRIPTION
Ground (substrate). All voltages are referenced to GND.
Output voltage
Supply voltage
www.taosinc.com
Texas Advant ced Optoelectronic Solutions Inc.
800 Jupiter Road, Suite 205 S Plano, TX 75074 S (972) 673-0759
t
Copyright E 2001, TAOS Inc.
1
1 page  
TSL257
HIGHĆSENSITIVITY
LIGHTĆTOĆVOLTAGE CONVERTER
TAOS023A – JULY 2000
MECHANICAL DATA
The TSL257 is implemented in a clear 3-leaded package with a molded focusing lens.
0.189 (4,80)
0.173 (4,40)
0.165 (4,20)
0.150 (3,80)
0.071 (1,80)
0.110 (2,80)
0.072 (1,84)
0.057 (1,44)
0.032 (0,80)
0.016 (0,40)
R 0.035 (0,90)
0.071 (1,8)
0.016 (0,40)
0.189 (4,80)
0.173 (4,40)
0.079 (2,00)
0.027 (0,70)
0.039 (1,00)
0.026 (0,65)
0.630 (16,00)
0.531 (13,50)
0.029 (0,75)
0.102 (2,6)
0.018 (0,45)
0.079 (2,00)
0.079 (2,00)
Figure 6. Package Configuration
NOTES: A. All linear dimensions are in inches (millimeters).
B. This drawing is subject to change without notice.
C. All dimensions apply before solder dip.
D. Package body is a clear nonfilled optically transparent material
E. Index of refraction of clear plastic is 1.55.
0.018 (0,45)
www.taosinc.com
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Copyright E 2001, TAOS Inc.
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5
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet TSL257.PDF ] | |
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