参数资料
型号: TAS5086DBTR
厂商: TEXAS INSTRUMENTS INC
元件分类: 消费家电
英文描述: SPECIALTY CONSUMER CIRCUIT, PDSO38
封装: GREEN, TSSOP-38
文件页数: 45/47页
文件大小: 814K
代理商: TAS5086DBTR
Recommended I2C Pullup Resistors
B0099-05
TAS5086
External
Microcontroller
V
I(SDA)
5V
I
P
I
P
V
I(SCL)
SDA
R
P
R
P
SCL
B0100-05
TAS5086
External
Microcontroller
V
I
5V
I
P
SDA
or
SCL
R
S
(2)
V
S
(1)
R
S
(2)
R
P
www.ti.com ................................................................................................................................................... SLES131C – FEBRUARY 2005 – REVISED JUNE 2008
It is recommended that the I2C pullup resistors RP be 3.3 k (see Figure 4). If a series resistor is in the circuit
(see Figure 5), then the series resistor RS should be less than or equal to 300 .
Figure 4. I2C Pullup Circuit (With No Series Resistor)
(1)
VS = 5 × RS/(RS + RP). When driven low, VS << VIL requirements.
(2)
RS ≤ 300
Figure 5. I2C Pullup Circuit (With Series Resistor)
Copyright 2005–2008, Texas Instruments Incorporated
7
Product Folder Link(s): TAS5086
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