參數(shù)資料
型號： TSL2560
廠商： TAOS Inc.
英文描述： LIGHT-TO-DIGITAL CONVERTER
中文描述： 光到數(shù)字轉換器
文件頁數(shù)： 28/38頁
文件大?。?/td> 441K
代理商： TSL2560
TSL2560, TSL2561
LIGHT-TO-DIGITAL CONVERTER
TAOS059K
APRIL 2007
28
Copyright 2007, TAOS Inc.
The
LUMENOLOGY
Company
www.taosinc.com
APPLICATION INFORMATION: HARDWARE
Power Supply Decoupling and Application Hardware Circuit
The power supply lines must be decoupled with a 0.1
μ
F capacitor placed as close to the device package as
possible (Figure 16). The bypass capacitor should have low effective series resistance (ESR) and low effective
series inductance (ESI), such as the common ceramic types, which provide a low impedance path to ground
at high frequencies to handle transient currents caused by internal logic switching.
TSL2560/
TSL2561
V
BUS
V
DD
0.1 F
R
P
R
P
SCL
SDA
R
PI
INT
Figure 16. Bus Pull-Up Resistors
Pull-up resistors (Rp) maintain the SDAH and SCLH lines at a
high
level when the bus is free and ensure the
signals are pulled up from a low to a high level within the required rise time. For a complete description of the
SMBus
maximum
and
minimum
Rp
values,
http://www.smbus.org/specs. For a complete description of I
2
C maximum and minimum Rp values, please
review the I
2
C Specification at http://www.semiconductors.philips.com.
please
review
the
SMBus
Specification
at
A pull-up resistor (R
PI
) is also required for the interrupt (INT), which functions as a wired-AND signal in a similar
fashion to the SCL and SDA lines. A typical impedance value between 10 K
Ω
and 100 K
Ω
can be used. Please
note that while the figure above shows INT being pulled up to V
DD
, the interrupt can optionally be pulled up to
V
BUS
.
相關PDF資料
PDF描述
TSL2560CS LIGHT-TO-DIGITAL CONVERTER
TSL2560T LIGHT-TO-DIGITAL CONVERTER
TSL2561 LIGHT-TO-DIGITAL CONVERTER
TSL2561CS LIGHT-TO-DIGITAL CONVERTER
TSL2561T LIGHT-TO-DIGITAL CONVERTER
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