
AN10E40 Data Manual
i
Table of Contents
Features of AN10E40................................................................................................................................................1
Available IPmodule Functions...................................................................................................................................1
How It Works.............................................................................................................................................................1
AN10E40 Architecture...............................................................................................................................................2
The Configurable Analog Block ................................................................................................................................3
A Quick Review of Switched Capacitor Circuits....................................................................................................3
CAB Details...........................................................................................................................................................4
Routing Resources....................................................................................................................................................4
Clock Generation ......................................................................................................................................................4
Voltage Reference ....................................................................................................................................................5
Voltage Mid-Rail Generator.......................................................................................................................................5
Analog Input Output Cell...........................................................................................................................................6
Sallen Key Filtering................................................................................................................................................6
2
nd
Order Sallen-Key Filter for Output Smoothing.................................................................................................7
4
th
Order Sallen-Key Filter for Output Smoothing .................................................................................................7
2
nd
Order Sallen-Key Filter for Input Anti-Aliasing.................................................................................................7
4
th
Order Sallen-Key Filter for Input Anti-Aliasing .................................................................................................8
Configuration Engine.................................................................................................................................................9
Mode 0 – Micro Mode..........................................................................................................................................10
Micro Mode Configuration Sequence ..............................................................................................................13
Micro Mode Maximum Data Transfer Rate......................................................................................................13
Mode 1 – Boot from ROM (BFR Mode)...............................................................................................................14
BFR Timing..........................................................................................................................................................15
Configuration Clock.............................................................................................................................................16
Reset Sequences....................................................................................................................................................17
Analog Power On Reset (APOR) & Power On Reset (POR)..............................................................................17
Internal Reset Activity..........................................................................................................................................17
External Reset Assertion.....................................................................................................................................17
Mechanical..............................................................................................................................................................17
Package Details...................................................................................................................................................17
Pin Out Description..............................................................................................................................................18
Package Pin Electrical Characterization.................................................................................................................21
Powers, Grounds and Bypassing............................................................................................................................21
Recommended Configuration for Power & Ground.............................................................................................21
AVDD and AVSS.................................................................................................................................................21
SVDD and SVSS.................................................................................................................................................21
BVDD and BVSS.................................................................................................................................................22
ESD_VDD and ESD_VSS...................................................................................................................................22
CFG_VDD and CFG_VSS ..................................................................................................................................22
OPAMVMR and CEXT ........................................................................................................................................22
The AN10E40 in Split Supply Systems...............................................................................................................22
Electrical Parameters..............................................................................................................................................22
Absolute Maximum Ratings.................................................................................................................................23
Recommended Operating Conditions.................................................................................................................23
Digital IO..............................................................................................................................................................23
Voltage Mid Rail ..................................................................................................................................................23
Vref......................................................................................................................................................................23
The Analog I/O Cell.............................................................................................................................................24
The Analog I/O Cell Configured as a Sallen-Key Filter.......................................................................................25
A Programmable Inverting Gain Stage................................................................................................................26
A Programmable Low Pass Filter........................................................................................................................27
Sine Wave Oscillator...........................................................................................................................................28
Electrostatic Discharge Characterization................................................................................................................28
A Quick Review of ESD Basics...........................................................................................................................28
Catastrophic Failure.........................................................................................................................................28
Latent Defect....................................................................................................................................................28