CS5371 CS5372
TABLE OF CONTENTS
1. CHARACTERISTICS & SPECIFICATIONS................................................... 3
ANALOG CHARACTERISTICS .................................................................. 3
DIGITAL CHARACTERISTICS ................................................................... 5
ABSOLUTE MAXIMUM RATINGS ............................................................. 5
SWITCHING CHARACTERISTICS ............................................................ 6
2. GENERAL DESCRIPTION. ........................................................................... 7
3. MODULATOR PERFORMANCE ................................................................... 9
3.1. Full-scale Signal Performance ........................................................... 9
3.2. Noise Performance ............................................................................ 9
4. SIGNAL INPUTS ........................................................................................... 9
4.1. Differential Inputs - INR+/-, INF+/- ..................................................... 9
4.2. Anti-alias Filters ............................................................................... 10
4.3. Input Impedance .............................................................................. 10
4.4. Maximum Signal Levels ................................................................... 10
5. INPUT OFFSET ........................................................................................... 10
5.1. Offset Enable - OFST ...................................................................... 11
5.2. Offset Drift........................................................................................ 11
6. VOLTAGE REFERENCE INPUTS .............................................................. 11
6.1. Voltage Reference Configurations ................................................... 12
6.2. VREF Input Impedance.................................................................... 12
6.3. Gain Accuracy.................................................................................. 12
6.4. Gain Drift.......................................................................................... 12
7. DIGITAL FILTER INTERFACE ................................................................... 12
7.1. Modulator Clock - MCLK.................................................................. 13
7.2. Modulator Data - MDATA................................................................. 13
7.3. Modulator Sync - MSYNC................................................................ 13
7.4. Modulator Flag - MFLAG ................................................................. 13
8. POWER MODES ......................................................................................... 14
8.1. Normal Power Mode ........................................................................ 14
8.2. Low Power Mode - LPWR................................................................ 14
8.3. Power Down Mode - PWDN ............................................................ 14
8.4. Micro-power Mode ........................................................................... 14
9. POWER SUPPLY ........................................................................................ 14
9.1. Power Supply Configurations........................................................... 14
9.2. Power Supply Bypassing ................................................................. 14
9.3. SCR Latch-up Considerations ......................................................... 15
9.4. DC-DC Converter Considerations.................................................... 15
9.5. Power Supply Rejection................................................................... 15
10. PIN DESCRIPTION - CS5371 ..................................................................... 16
11. PIN DESCRIPTION - CS5372 ..................................................................... 18
12. PACKAGE DIMENSIONS ............................................................................ 20
13. ORDERING INFORMATION ....................................................................... 21
14. ENVIRONMENTAL, MANUFACTURING, & HANDLING INFORMATION.. 21
15. REVISION HISTORY ................................................................................... 21
2 DS255F3
