Cirrus Logic CS5462 - Manual (Page 2)

CS5462
2 DS547F1
TABLE OF CONTENTS
1. GENERAL DESCRIPTION ....................................................................................................... 3
2. PIN DESCRIPTION ................................................................................................................... 3
3. CHARACTERISTICS/SPECIFICATIONS ................................................................................. 5
ANALOG CHARACTERISTICS ................................................................................................ 5
DIGITAL CHARACTERISTICS ................................................................................................. 7
SWITCHING CHARACTERISTICS .......................................................................................... 7
ABSOLUTE MAXIMUM RATINGS ........................................................................................... 8
3.1 Theory of Operation ........................................................................................................... 9
3.1.1 Digital Filters ......................................................................................................... 9
3.1.2 Gain Calibration .................................................................................................... 9
3.1.3 Energy-to-Frequency Conversion ......................................................................... 9
4. FUNCTIONAL DESCRIPTION ............................................................................................... 10
4.1 Programmable Gain Amplifier (PGA) ............................................................................... 10
4.2 Pulse-Rate Output ........................................................................................................... 10
4.2.1 Stepper Motor Format. ........................................................................................ 10
4.2.2 Mechanical Counter Format ................................................................................ 11
4.3 Energy Direction Indicator ................................................................................................ 11
4.4 Internal Calibration Option ............................................................................................... 11
4.5 Power-on Reset ............................................................................................................... 11
4.6 Oscillator Characteristics ................................................................................................. 12
4.7 User Defined Settings ...................................................................................................... 12
4.8 Basic Application Circuit Configurations .......................................................................... 14
5. PACKAGE DIMENSIONS ....................................................................................................... 15
6. ORDERING INFORMATION .................................................................................................. 16
7. ENVIRONMENTAL, MANUFACTURING, & HANDLING INFORMATION ............................ 16
8. REVISIONS ............................................................................................................................. 16
LIST OF FIGURES
Figure 1. Data Flow ......................................................................................................................... 9
Figure 2. PGA Settings.................................................................................................................. 10
Figure 3. Pulse Output Settings .................................................................................................... 10
Figure 6. Calibration Options......................................................................................................... 11
Figure 7. Power-on Reset ............................................................................................................. 12
Figure 8. Oscillator Connection ..................................................................................................... 12
Figure 9. Calibration, Frequency Select, and PGA Select ............................................................ 12
Figure 7. Power-on Reset ............................................................................................................. 13
Figure 8. Typical Connection Diagram .......................................................................................... 14