Cirrus Logic CS5373A User Manual
Page 2
CS5373A
2
DS703F2
TABLE OF CONTENTS
1. CHARACTERISTICS AND SPECIFICATIONS ........................................................................ 4
SPECIFIED OPERATING CONDITIONS ................................................................................. 4
TEMPERATURE CONDITIONS ............................................................................................... 5
ABSOLUTE MAXIMUM RATINGS ........................................................................................... 5
ANALOG INPUT CHARACTERISTICS ................................................................................... 6
ANALOG OUTPUT CHARACTERISTICS ............................................................................... 7
MODULATOR CHARACTERISTICS ........................................................................................ 8
PERFORMANCE PLOTS ......................................................................................................... 9
DAC AC DIFFERENTIAL MODES 1, 2, 3............................................................................... 10
DAC AC DIFFERENTIAL MODES 1, 2, 3 (CONT.) ............................................................... 11
DIGITAL CHARACTERISTICS .............................................................................................. 15
DIGITAL CHARACTERISTICS (CONT.) ............................................................................... 16
DIGITAL CHARACTERISTICS (CONT.) ............................................................................ 17
POWER SUPPLY CHARACTERISTICS ................................................................................ 18
2. GENERAL DESCRIPTION ..................................................................................................... 19
2.1 Delta-Sigma Modulator .................................................................................................... 19
2.2 Digital-to-Analog Converter .............................................................................................. 19
3. SYSTEM DIAGRAM ............................................................................................................ 20
4. POWER MODES ..................................................................................................................... 21
4.1 Power Down ..................................................................................................................... 21
4.2 Sleep Mode ...................................................................................................................... 21
4.3 Modulator Mode ............................................................................................................... 21
4.4 AC Test Modes ................................................................................................................ 21
4.5 DC Test Modes ................................................................................................................ 21
5. OPERATIONAL MODES ........................................................................................................ 22
5.1 Modulator Mode ............................................................................................................... 22
5.1.1 Modulator One’s Density ..................................................................................... 22
5.1.2 Modulator Decimated Output .............................................................................. 22
5.1.3 Modulator Synchronization .................................................................................. 22
5.1.4 Modulator Idle Tones .......................................................................................... 23
5.1.5 Modulator Stability ............................................................................................... 23
5.2 AC Test Modes ................................................................................................................ 23
5.2.1 AC Differential ..................................................................................................... 23
5.2.2 AC Common Mode .............................................................................................. 24
5.2.3 DAC Stability ....................................................................................................... 24
5.3 DC Test Modes ................................................................................................................ 24
5.3.1 DC Common Mode ............................................................................................. 24
5.3.2 DC Differential ..................................................................................................... 25
5.4 Sleep Mode ...................................................................................................................... 25
6. DIGITAL SIGNALS ................................................................................................................. 26
6.1 MCLK Connection ............................................................................................................ 26
6.2 MSYNC Connection ......................................................................................................... 26
6.3 MDATA Connection ......................................................................................................... 27
6.4 MFLAG Connection ......................................................................................................... 27
6.5 TDATA Connection .......................................................................................................... 27
6.6 GPIO Connections ........................................................................................................... 27
7. ANALOG SIGNALS ................................................................................................................ 28
7.1 INR±, INF± Modulator Inputs ........................................................................................... 28
7.1.1 Modulator Input Impedance ................................................................................ 28
7.1.2 Modulator Anti-alias Filter ................................................................................... 28
7.2 DAC Output Attenuation .................................................................................................. 29
7.3 DAC OUT± Precision Output ........................................................................................... 29
7.4 DAC BUF± Buffered Output ............................................................................................. 30