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TSL230RD, TSL230ARD, TSL230BRD
PROGRAMMABLE LIGHT-TO-FREQUENCY CONVERTERS
TAOS054P  OCTOBER 2007
1
The LUMENOLOGY r Company
r
r
Copyright E 2007, TAOS Inc.
www.taosinc.com
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   High Irradiance Responsivity . . .
790 Hz/(mW/cm
2
) Typical at 640 nm
D   Single-Supply Operation . . . 2.7 V to 5.5 V
D   Power-Down Feature . . . 5 mA Typical
D   Nonlinearity Error Typically 0.2% at 100 kHz
D   Stable 200 ppm/?/SPAN>C Temperature Coefficient
D   Low-Profile Lead (Pb) Free and RoHS
Compliant Surface-Mount Package
 
Description
The TSL230RD, TSL230ARD, and TSL230BRD programmable light-to-frequency converters combine a
configurable silicon photodiode and a current-to-frequency converter on single monolithic CMOS integrated
circuit. 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. The output enable (OE
) 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 ?0% (TSL230BRD), ?5%
(TSL230ARD), and ?0% (TSL230RD). 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癈 to 70癈.
Functional Block Diagram
Light
Current-to-Frequency
Converter
Photodiode Array
S0   S1
S2    S3
OE
Output
r
r
Texas Advanced Optoelectronic Solutions Inc.
1001 Klein Road S Suite 300 S Plano, TX 75074 S (972) 673-0759
8 S3
7 S2
6 OUT
5 V
DD
PACKAGE D
8-LEAD SOIC
(TOP VIEW)
S0  1
S1 2
OE
  3
GND 4
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TSL230BRP 功能描述:光频率和光电压 Light to Frequency Programmable RoHS:否 制造商:ams 峰值波长:1000 nm 工作电源电压:5 V 最大工作温度:+ 85 C 最小工作温度:- 25 C 安装风格: 封装 / 箱体:
TSL230BRP-LF 功能描述:光频率和光电压 Light to Frequency Programmable RoHS:否 制造商:ams 峰值波长:1000 nm 工作电源电压:5 V 最大工作温度:+ 85 C 最小工作温度:- 25 C 安装风格: 封装 / 箱体:
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TSL230RD 功能描述:光频率和光电压 Light to Frequency Programmable RoHS:否 制造商:ams 峰值波长:1000 nm 工作电源电压:5 V 最大工作温度:+ 85 C 最小工作温度:- 25 C 安装风格: 封装 / 箱体:
TSL230RD-TR 功能描述:光频率和光电压 Light to Frequency Converter RoHS:否 制造商:ams 峰值波长:1000 nm 工作电源电压:5 V 最大工作温度:+ 85 C 最小工作温度:- 25 C 安装风格: 封装 / 箱体:
TSL230R-LF 制造商:TAOS 制造商全称:TEXAS ADVANCED OPTOELECTRONIC SOLUTIONS 功能描述:PROGRAMMABLE LIGHT-TO-FREQUENCY CONVERTERS
TSL230RP 功能描述:光频率和光电压 Light to Frequency Programmable RoHS:否 制造商:ams 峰值波长:1000 nm 工作电源电压:5 V 最大工作温度:+ 85 C 最小工作温度:- 25 C 安装风格: 封装 / 箱体: