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| 型號： | TSL230 |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | PROGRAMMABLE LIGHT-TO-FREQUENCY CONVERTERS |
| 中文描述： | 可編程光到頻率變換器 |
| 文件頁數(shù)： | 5/7頁 |
| 文件大?。?/td> | 97K |
| 代理商： | TSL230 |
TSL230, TSL230A, TSL230B
PROGRAMMABLE LIGHT-TO-FREQUENCY CONVERTERS
SOES007B – OCTOBER 1992 – REVISED MARCH 1994
5–7
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
0.998
0.997
0.996
0.995
2.5
3
3.5
4
4.5
N
0.999
1
OUTPUT FREQUENCY
vs
SUPPLY VOLTAGE
5
5.5
VDD – Supply Voltage – V
TA = 25
°
C
fO = 1 MHz
1.001
6
1.002
1.003
1.004
1.005
Figure 5
APPLICATION INFORMATION
power-supply considerations
For optimum device performance, power-supply lines should be decoupled by a 0.01-
μ
F to 0.1-
μ
F capacitor with
short leads.
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: 1x, 10x or 100x, 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.
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| TSL230ARD-TR | 功能描述:光頻率和光電壓 Light to Frequency Converter RoHS:否 制造商:ams 峰值波長:1000 nm 工作電源電壓:5 V 最大工作溫度:+ 85 C 最小工作溫度:- 25 C 安裝風格: 封裝 / 箱體: |
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