|
|
PDF TSL230BR Data sheet ( Hoja de datos )
| Número de pieza | TSL230BR | |
| Descripción | PROGRAMMABLE LIGHTFREQUENCY CONVERTERS | |
| Fabricantes | TAOS | |
| Logotipo |  |
|
Hay una vista previa y un enlace de descarga de TSL230BR (archivo pdf) en la parte inferior de esta página. Total 8 Páginas | ||
|
No Preview Available !
t TSL230R, TSL230AR, TSL230BR
PROGRAMMABLE LIGHTĆTOĆFREQUENCY CONVERTERS
t
TAOS048 – OCTOBER 2002
D High-Resolution Conversion of Light
Intensity to Frequency With No External
Components
D Programmable Sensitivity and Full-Scale
Output Frequency
D Communicates Directly With a Microcontroller
D Single-Supply Operation Down to 2.7 V,
With Power-Down Feature
D Absolute Output Frequency Tolerance of
±5% (TSL230BR)
D Nonlinearity Error Typically 0.2% at 100 kHz
D Stable 150 ppm/°C Temperature Coefficient
D Replacements for TSL230, TSL230A, and
TSL230B
PACKAGE P
8-LEAD PDIP
(TOP VIEW)
S0
S1
OE
GND
2
3
4
8 S3
7 S2
6 OUT
5 VDD
www.DataSheet4U.com
Description
The TSL230R, TSL230AR, and TSL230BR programmable light-to-frequency converters combine a
configurable silicon photodiode and a current-to-frequency converter on single monolithic CMOS integrated
circuits. The output can be either a pulse train or a square wave (50% duty cycle) with frequency directly
proportional to light intensity. Device sensitivity is selectable in three ranges, providing two decades of
adjustment. The full-scale output frequency can be scaled by one of four preset values. All inputs and the output
are TTL compatible, allowing direct two-way communication with a microcontroller for programming and output
interface. An output enable (OE) is provided that places the output in the high-impedance state for multiple-unit
sharing of a microcontroller input line.
The devices are available with absolute-output-frequency tolerances of ±5% (TSL230BR), ±10% (TSL230AR),
or ±20% (TSL230R). They have been temperature compensated for the ultraviolet-to-visible light range of
320 nm to 700 nm and respond over the light range of 320 nm to 1050 nm. The devices are characterized over
the temperature range of –25°C to 70°C.
Functional Block Diagram
Light
Photodiode Array
S0 S1
Current-to-Frequency
Converter
Output
S2 S3
OE
The LUMENOLOGYr Company
t
Texas Advanced Optoelectronic Solutions Inc.
800 Jupiter Road, Suite 205 S Plano, TX 75074 S (972t) 673-0759
www.taosinc.com
Copyright E 2002, TAOS Inc.
1
1 page  
www.DataSheet4U.com
TSL230R, TSL230AR, TSL230BR
PROGRAMMABLE LIGHTĆTOĆFREQUENCY CONVERTERS
TYPICAL CHARACTERISTICS
1.010
1.005
OUTPUT FREQUENCY
vs
SUPPLY VOLTAGE
TA = 25°C
fO = 100 kHz
TAOS048 – OCTOBER 2002
1.000
0.995
0.990
0.985
0.980
2.5
3 3.5 4 4.5 5
VDD – Supply Voltage – V
Figure 5
5.5
APPLICATION INFORMATION
Power-supply considerations
Power-supply lines must be decoupled by a 0.01-µF to 0.1-µF capacitor with short leads placed close to the
TSL230 device package. A low-noise power supply is required to minimize jitter on output pulses.
Input interface
A low-impedance electrical connection between the device OE pin and the device GND pin is required for
improved noise immunity.
Output interface
The output of the device is designed to drive a standard TTL or CMOS logic input over short distances. If lines
greater than 12 inches are used on the output, a buffer or line driver is recommended.
Sensitivity adjustment
Sensitivity is controlled by two logic inputs, S0 and S1. Sensitivity is adjusted using an electronic iris technique
— effectively an aperture control — to change the response of the device to a given amount of light. The
sensitivity can be set to one of three levels: 1×, 10× or 100×, providing two decades of adjustment. This allows
the responsivity of the device to be optimized to a given light level while preserving the full-scale
output-frequency range. Changing of sensitivity also changes the effective photodiode area by the same factor.
The LUMENOLOGYr Company
t
www.taosinc.com
t
Copyright E 2002, TAOS Inc.
5
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet TSL230BR.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
| TSL230B | Programmable Light-to-Frequency Converters (Rev. B) |  Texas Instruments |
| TSL230BR | PROGRAMMABLE LIGHTFREQUENCY CONVERTERS | TAOS |
| Número de pieza | Descripción | Fabricantes |
| SLA6805M | High Voltage 3 phase Motor Driver IC. |
 Sanken |
| SDC1742 | 12- and 14-Bit Hybrid Synchro / Resolver-to-Digital Converters. |
 Analog Devices |
|
DataSheet.es es una pagina web que funciona como un repositorio de manuales o hoja de datos de muchos de los productos más populares, |
| DataSheet.es | 2020 | Privacy Policy | Contacto | Buscar |