參數(shù)資料
型號: PCA9530DP
廠商: NXP Semiconductors N.V.
元件分類: LED驅(qū)動器
英文描述: 2-bit I2C-bus LED dimmer
封裝: PCA9530D<SOT96-1 (SO8)|<<http://www.nxp.com/packages/SOT96-1.html<1<week 5, 2005,;PCA9530D<SOT96-1 (SO8)|<<http://www.nxp.com/packages/SOT96-1.html<1<week 5, 2005,;
文件頁數(shù): 8/24頁
文件大?。?/td> 143K
代理商: PCA9530DP
PCA9530_3
NXP B.V. 2009. All rights reserved.
Product data sheet
Rev. 03 — 26 February 2009
16 of 24
NXP Semiconductors
PCA9530
2-bit I2C-bus LED dimmer
12. Test information
Rise and fall times refer to VIL and VIH.
Fig 20. I2C-bus timing diagram
SCL
SDA
tHD;STA
tSU;DAT
tHD;DAT
tf
tBUF
tSU;STA
tLOW
tHIGH
tVD;ACK
002aab175
tSU;STO
protocol
START
condition
(S)
bit 7
MSB
(A7)
bit 6
(A6)
bit 0
(R/W)
acknowledge
(A)
STOP
condition
(P)
1/fSCL
tr
tVD;DAT
RL = load resistor for LEDn. RL for SDA and SCL > 1 k (3 mA or less current).
CL = load capacitance includes jig and probe capacitance.
RT = termination resistance should be equal to the output impedance Zo of the pulse generators.
Fig 21. Test circuitry for switching times
PULSE
GENERATOR
VO
CL
50 pF
RL
500
002aab880
RT
VI
VDD
DUT
VDD
open
VSS
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