XE8801AMI000WP Semtech, XE8801AMI000WP Datasheet - Page 86

• Manufacturer Part Number: XE8801AMI000WP
• Description: SENSING MACHINE WITH 16 + 10 BIT
• Manufacturer: Semtech

Specifications of XE8801AMI000WP

• Applications: Sensing Machine
• Core Processor: RISC
• Program Memory Type: FLASH (22 kB)
• Controller Series: XE8000
• Ram Size: 512 x 8
• Interface: UART, USRT
• Number Of I /o: 24
• Voltage - Supply: 2.4 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: Die
• For Use With: XE8000MP - PROG BOARD AND PROSTART2 CARD
• Other names: Q2722595

16.
16.1
16.2
16.3
16.4
16.4.1
16.4.2
16.4.3
16.5
16.6
16.6.1
16.6.2
16.6.3
16.6.4
16.7
16.7.1
16.7.2
16.7.3
16.7.4
16.7.5
16.7.6
16.7.7
16.7.8
16.8
16.8.1
16.8.2
16.8.3
16.8.3.1
16.8.3.2
16.8.4
16.8.5
16.8.6
16.8.7
16.9
16.9.1
16.9.2
16.9.3
16.9.4
16.9.5
© Semtech 2005
Acquisition
ZoomingADC™ Features .................................................................................................................... 16-2
Overview .............................................................................................................................................. 16-2
Register map ....................................................................................................................................... 16-3
ZoomingADC™ Description................................................................................................................ 16-4
Acquisition Chain .................................................................................................................................. 16-4
Peripheral Registers.............................................................................................................................. 16-6
Continuous-Time vs. On-Request ......................................................................................................... 16-7
Input Multiplexers ............................................................................................................................... 16-8
Programmable Gain Amplifiers.......................................................................................................... 16-9
PGA & ADC Enabling.......................................................................................................................... 16-10
PGA1 .................................................................................................................................................. 16-10
PGA2 .................................................................................................................................................. 16-11
PGA3 .................................................................................................................................................. 16-11
ADC Characteristics ......................................................................................................................... 16-12
Conversion Sequence......................................................................................................................... 16-12
Sampling Frequency ........................................................................................................................... 16-12
Over-Sampling Ratio........................................................................................................................... 16-13
Elementary Conversions ..................................................................................................................... 16-13
Resolution ........................................................................................................................................... 16-14
Conversion Time & Throughput .......................................................................................................... 16-15
Output Code Format ........................................................................................................................... 16-15
Power Saving Modes .......................................................................................................................... 16-17
Specifications and Measured Curves.............................................................................................. 16-17
Default Settings................................................................................................................................... 16-17
Specifications...................................................................................................................................... 16-18
Linearity .............................................................................................................................................. 16-20
Integral non-linearity............................................................................................................................ 16-20
Differential non-linearity ...................................................................................................................... 16-23
Noise................................................................................................................................................... 16-24
Gain Error and Offset Error ................................................................................................................. 16-25
Power Consumption............................................................................................................................ 16-26
Power Supply Rejection Ratio............................................................................................................. 16-28
Application Hints............................................................................................................................... 16-29
Input Impedance ................................................................................................................................. 16-29
PGA Settling or Input Channel Modifications....................................................................................... 16-29
PGA Gain & Offset, Linearity and Noise.............................................................................................. 16-29
Frequency Response .......................................................................................................................... 16-30
Power Reduction................................................................................................................................. 16-31
Chain
16-1
XE8801A – SX8801R
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