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WM8255 데이터시트(PDF) 9 Page - Cirrus Logic

부품명 WM8255
상세설명  Single Channel 16-bit CIS/CCD AFE with RGB LED Current Drive
PDF  49 Pages
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제조업체  CIRRUS [Cirrus Logic]
홈페이지  http://www.cirrus.com
Logo CIRRUS - Cirrus Logic

WM8255 데이터시트(HTML) 9 Page - Cirrus Logic

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WM8255
Production Data
w
PD, Rev 4.7, August 2013
9
PARAMETER
SYMBOL
TEST
CONDITIONS
MIN
TYP
MAX
UNIT
EXTERNAL LED CURRENT DRIVE
Coarse Absolute LED Current Drive Range Adjust
EXTRES = 13K7 ohm +/- 1% over process and temperature.
Coarse LED Current Full Scale
Range with External Reference
including absolute and
temperature tolerances
ILEDCRE0
LEDIRNG = 00
25
32
mA
ILEDCRE1
LEDIRNG = 01
30
42.25
mA
ILEDCRE2
LEDIRNG = 10
40
56.5
mA
ILEDCRE3
LEDIRNG = 11
50
68
mA
Coarse LED Current Maximum
Limit Range
ILEDMAX
LEDIMAX = 0
28
45
mA
ILEDMAX
LEDIMAX = 1
35
53
mA
FINE LED ABSOLUTE CURRENT DRIVE
Resolution
ILEDFRes
8
bits
Range
ILEDFRan
ILEDCRXX
Zero Current
0
mA
Differential non-linearity
ILEDFDNL
No missing codes
-1
1.15
LSB
Integral non-linearity
ILEFINL
1
LSB
Compliance Voltage ILEDR
ILEDRVC
ILED=50mA
0.75+
AGND
AVDD1 -
0.5V
V
Compliance Voltage ILEDG and
ILEDB
ILEDGBVC
ILED=50mA
0.25+
AGND
AVDD1 -
0.5V
V



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