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參數(shù)資料
| 型號(hào)： | P82B715 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | I2C bus extender |
| 中文描述： | I2C總線擴(kuò)展 |
| 文件頁數(shù)： | 2/10頁 |
| 文件大小： | 96K |
| 代理商： | P82B715 |
Philips Semiconductors
Preliminary specification
82B715
I
2
C bus extender
2
1998 Jan 09
DESCRIPTION
The 82B715 is a bipolar integrated circuit intended for application in
I
2
C bus systems.
While retaining all the operating modes and features of the I
2
C
system it permits extension of the practical separation distance
between components on the I
2
C bus by buffering both the data
(SDA) and the clock (SCL) lines.
The I
2
C bus capacitance limit of 400pF restricts practical
communication distances to a few meters. Using one 82B715 at
each end of longer cables reduces the cable loading capacitance on
the I
2
C bus by a factor of 10 times and may allow the use of low
cost general purpose wiring to extend bus lengths.
FEATURES
Dual, bi-directional, unity voltage gain buffer
I
2
C bus compatible
Logic signal levels may include both supply and ground
X10 impedance transformation
Wide supply voltage range
PIN CONFIGURATIONS
1
2
3
4
N.C.
GND
S
X
L
Y
S
Y
N.C.
5
6
7
8
V
CC
8-Pin Dual In-Line or SO
82B715
L
X
SU00290
PINNING
PIN
SYMBOL
FUNCTION
1
2
3
4
5
6
7
8
N.C.
L
X
S
X
GND
N.C.
S
Y
L
Y
V
CC
Buffered Bus, LDA or LCL
I
2
C Bus, SDA or SCL
Negative Supply
I
2
C Bus, SCL or SDA
Buffered Bus, LCL or LDA
Positive Supply
QUICK REFERENCE DATA
LIMITS
SYMBOL
PARAMETER
MIN.
TYP.
MAX.
UNIT
V
CC
Supply voltage
4.5
12
V
I
CC
Quiescent current
16
mA
I
line
Output sink capability
30
mA
V
in
Input voltage range
0
V
CC
V
V
out
Output voltage range
0
V
CC
V
Z
in
/Z
out
Impedance transformation
8
10
13
T
amb
Temperature range
–40
+85
°
C
ORDERING INFORMATION
DESCRIPTION
ORDER CODE
DRAWING NUMBER
8-pin plastic dual In-line package
P82B715P N
SOT97-1
8-pin plastic small outline package
P82B715T D
SOT96-1
NOTE:
1. For applications requiring, 3V operation and additional buffer performance, see P82B96 Data Sheet.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| P82B715D | 功能描述:接口-信號(hào)緩沖器、中繼器 I2C Bus Extender RoHS:否 制造商:Texas Instruments 工作電源電壓: 工作溫度范圍: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VSSOP-8 封裝:Reel |
| P82B715D | 制造商:Texas Instruments 功能描述:IC I2C BUS EXTENDER 8-SOIC |
| P82B715DG4 | 功能描述:接口-信號(hào)緩沖器、中繼器 I2C Bus Extender RoHS:否 制造商:Texas Instruments 工作電源電壓: 工作溫度范圍: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VSSOP-8 封裝:Reel |
| P82B715DR | 功能描述:接口-信號(hào)緩沖器、中繼器 I2C Bus Extender RoHS:否 制造商:Texas Instruments 工作電源電壓: 工作溫度范圍: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VSSOP-8 封裝:Reel |
| P82B715DRG4 | 功能描述:接口-信號(hào)緩沖器、中繼器 I2C Bus Extender RoHS:否 制造商:Texas Instruments 工作電源電壓: 工作溫度范圍: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VSSOP-8 封裝:Reel |
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