CS5372-BSZ データシートの表示（PDF） - Cirrus Logic

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CS5372-BSZ

Low-power, High-performance ∆Σ Modulators

Cirrus Logic 

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

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DS255F3

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