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| 型號(hào)： | PCA9531BS |
| 廠商： | NXP Semiconductors N.V. |
| 元件分類： | LED驅(qū)動(dòng)器 |
| 英文描述： | 8-bit I2C-bus LED dimmer |
| 封裝： | PCA9531BS<SOT629-1 (HVQFN16)|<<http://www.nxp.com/packages/SOT629-1.html<1<Always Pb-free,;PCA9531D<SOT109-1 (SO16)|<<http://www.nxp.com/packages/SOT109-1.html<1<we |
| 文件頁(yè)數(shù)： | 8/27頁(yè) |
| 文件大?。?/td> | 156K |
| 代理商： | PCA9531BS |
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PCA9531_6
NXP B.V. 2009. All rights reserved.
Product data sheet
Rev. 06 — 19 February 2009
16 of 27
NXP Semiconductors
PCA9531
8-bit I2C-bus LED dimmer
11. Dynamic characteristics
[1]
tVD;ACK = time for Acknowledgement signal from SCL LOW to SDA (out) LOW.
[2]
tVD;DAT = minimum time for SDA data output to be valid following SCL LOW.
[3]
Cb = total capacitance of one bus line in pF.
[4]
Resetting the device while actively communicating on the bus may cause glitches or errant STOP conditions.
[5]
Upon reset, the full delay will be the sum of trst and the RC time constant of the SDA bus.
Table 13.
Dynamic characteristics
Symbol
Parameter
Conditions
Standard-mode
I2C-bus
Fast-mode I2C-bus
Unit
Min
Max
Min
Max
fSCL
SCL clock frequency
0
100
0
400
kHz
tBUF
bus free time between a STOP and
START condition
4.7
-
1.3
-
s
tHD;STA
hold time (repeated) START condition
4.0
-
0.6
-
s
tSU;STA
set-up time for a repeated START
condition
4.7
-
0.6
-
s
tSU;STO
set-up time for STOP condition
4.0
-
0.6
-
s
tHD;DAT
data hold time
0
-
0
-
ns
tVD;ACK
data valid acknowledge time
-
600
-
600
ns
tVD;DAT
data valid time
LOW-level
-
600
-
600
ns
HIGH-level
-
1500
-
600
ns
tSU;DAT
data set-up time
250
-
100
-
ns
tLOW
LOW period of the SCL clock
4.7
-
1.3
-
s
tHIGH
HIGH period of the SCL clock
4.0
-
0.6
-
s
tr
rise time of both SDA and SCL signals
-
1000
20 + 0.1Cb[3]
300
ns
tf
fall time of both SDA and SCL signals
-
300
20 + 0.1Cb[3]
300
ns
tSP
pulse width of spikes that must be
suppressed by the input lter
-
50
-
50
ns
Port timing
tv(Q)
data output valid time
-
200
-
200
ns
tsu(D)
data input set-up time
100
-
100
-
ns
th(D)
data input hold time
1
-
1
-
s
Reset
tw(rst)
reset pulse width
6
-
6
-
ns
trec(rst)
reset recovery time
0
-
0
-
ns
trst
reset time
400
-
400
-
ns
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| PCA9532BS | 16-bit I2C-bus LED dimmer |
| PCA9532D | 16-bit I2C-bus LED dimmer |
| PCA9532PW | 16-bit I2C-bus LED dimmer |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PCA9531BS,118 | 功能描述:LED照明驅(qū)動(dòng)器 8-BIT I2C FM OD LED RoHS:否 制造商:STMicroelectronics 輸入電壓:11.5 V to 23 V 工作頻率: 最大電源電流:1.7 mA 輸出電流: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SO-16N |
| PCA9531BS-T | 功能描述:LED照明驅(qū)動(dòng)器 8-BIT I2C FM OD LED DIM RST RoHS:否 制造商:STMicroelectronics 輸入電壓:11.5 V to 23 V 工作頻率: 最大電源電流:1.7 mA 輸出電流: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SO-16N |
| PCA9531D | 功能描述:LED照明驅(qū)動(dòng)器 8-BIT I2C FM OD LED DIM RST RoHS:否 制造商:STMicroelectronics 輸入電壓:11.5 V to 23 V 工作頻率: 最大電源電流:1.7 mA 輸出電流: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SO-16N |
| PCA9531D,112 | 功能描述:LED照明驅(qū)動(dòng)器 8-BIT I2C FM OD LED RoHS:否 制造商:STMicroelectronics 輸入電壓:11.5 V to 23 V 工作頻率: 最大電源電流:1.7 mA 輸出電流: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SO-16N |
| PCA9531D,118 | 功能描述:LED照明驅(qū)動(dòng)器 8-BIT I2C FM OD LED DIM RST RoHS:否 制造商:STMicroelectronics 輸入電壓:11.5 V to 23 V 工作頻率: 最大電源電流:1.7 mA 輸出電流: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SO-16N |
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