xe8802 Semtech Corporation, xe8802 Datasheet - Page 113

• Manufacturer Part Number: xe8802
• Description: Data Acquisition Soc With 16+10 Bit Zoomingadc? Embedded Risc Controller And Lcd Driver
• Manufacturer: Semtech Corporation

17.
© Semtech 2006
17.1
17.2
17.3
17.4
17.4.1
17.4.2
17.4.3
17.5
17.6
17.6.1
17.6.2
17.6.3
17.6.4
17.7
17.7.1
17.7.2
17.7.3
17.7.4
17.7.5
17.7.6
17.7.7
17.7.8
17.8
17.8.1
17.8.2
17.8.3
17.8.3.1 Integral non-linearity.................................................................................................................................... 17-18
17.8.3.2 Differential non-linearity .............................................................................................................................. 17-22
17.8.4
17.8.5
17.8.6
17.8.7
17.9
17.9.1
17.9.2
17.9.3
17.9.4
17.9.5
Acquisition
Z
O
R
Z
Acquisition Chain ..................................................................................................................... 17-4
Peripheral Registers................................................................................................................. 17-5
Continuous-Time vs. On-Request ............................................................................................ 17-7
I
P
PGA & ADC Enabling............................................................................................................. 17-10
PGA1 ..................................................................................................................................... 17-10
PGA2 ..................................................................................................................................... 17-10
PGA3 ..................................................................................................................................... 17-10
ADC C
Conversion Sequence............................................................................................................ 17-11
Sampling Frequency .............................................................................................................. 17-12
Over-Sampling Ratio.............................................................................................................. 17-12
Elementary Conversions ........................................................................................................ 17-13
Resolution .............................................................................................................................. 17-13
Conversion Time & Throughput ............................................................................................. 17-14
Output Code Format .............................................................................................................. 17-14
Power Saving Modes ............................................................................................................. 17-16
S
Default Settings...................................................................................................................... 17-16
Specifications......................................................................................................................... 17-17
Linearity ................................................................................................................................. 17-18
Noise...................................................................................................................................... 17-23
Gain Error and Offset Error .................................................................................................... 17-24
Power Consumption............................................................................................................... 17-25
Power Supply Rejection Ratio................................................................................................ 17-27
A
Input Impedance .................................................................................................................... 17-28
PGA Settling or Input Channel Modifications.......................................................................... 17-28
PGA Gain & Offset, Linearity and Noise................................................................................. 17-28
Frequency Response ............................................................................................................. 17-29
Power Reduction.................................................................................................................... 17-29
NPUT
OOMING
OOMING
EGISTER MAP
ROGRAMMABLE
PECIFICATIONS AND
PPLICATION
VERVIEW
M
HARACTERISTICS
ULTIPLEXERS
ADC™ F
ADC™ D
................................................................................................................................. 17-2
H
........................................................................................................................... 17-2
INTS
G
Chain
EATURES
ESCRIPTION
AIN
.................................................................................................................. 17-28
M
................................................................................................................. 17-7
A
EASURED
MPLIFIERS
........................................................................................................... 17-11
....................................................................................................... 17-2
................................................................................................... 17-4
XE8802 Sensing Machine Data Acquisition MCU
C
.............................................................................................. 17-8
URVES
................................................................................. 17-16
17-1
with ZoomingADC™ and LCD driver
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