Cirrus-logic CS4385 Manual de usuario Pagina 54
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54 DS671F2
CS4385
10.ORDERING INFORMATION
11.REFERENCES
1. How to Achieve Optimum Performance from Delta-Sigma A/D & D/A Converters, by Steven Harris. Paper
presented at the 93rd Convention of the Audio Engineering Society, October 1992.
2. CDB4385 data sheet, available at http://www.cirrus.com.
3. Design Notes for a 2-Pole Filter with Differential Input, by Steven Green. Cirrus Logic Application Note AN48
4. The I²C-Bus Specification: Version 2.0, Philips Semiconductors, December 1998.
http://www.semiconductors.philips.com.
12.REVISION HISTORY
Product Description Package Pb-Free Grade Temp Range Container Order #
CS4385
114 dB, 192 kHz 8-chan-
nel D/A Converter
48-pin
LQFP
YES
Commercial -40°C to +85°C
Tray CS4385-CQZ
Tape & Reel CS4385-CQZR
Automotive -40°C to +105°C
Tray CS4385-DQZ
Tape & Reel CS4385-DQZR
CDB4385 CS4385 Evaluation Board - - - - CDB4385
Release Changes
PP3
Updated Guaranteed Operational Temperature Range in “Recommended Operating Conditions” on page 8.
Updated VA, VLC, and VLS current cunsumption specs
Updated Fullscale output level
Updated Dynamic perforamnce limits.
Removed VOH specification
Updated VOL specification
Updated TDM timing specs
F1
Updated “Recommended Operating Conditions” on page 8
Updated “DAC Analog Characteristics - Commercial (-CQZ)” on page 9
Updated “DAC Analog Characteristics - Automotive (-DQZ)” on page 10
Updated “Power and Thermal Characteristics” on page 11
Updated Legal Information on page 55
F2
Updated “DAC Pair Disable (DACx_DIS)” on page 38
Updated “Digital Interface Format (DIF)” on page 38
Added PCM mode format changeable in reset only to “Mode Select” on page 22
Updated Package Thermal Resistance in “Power and Thermal Characteristics” on page 11
- Features 1
- Description 1
- TABLE OF CONTENTS 2
- LIST OF FIGURES 4
- LIST OF TABLES 5
- 1. PIN DESCRIPTION 6
- ABSOLUTE MAXIMUM RATINGS 8
- See Note 12 12
- (CONTINUED) 13
- DIGITAL CHARACTERISTICS 14
- 16 DS671F2 16
- =20pF 16
- Repeated 17
- 3. TYPICAL CONNECTION DIAGRAM 19
- DSD_SCLK 20
- 4. APPLICATIONS 21
- 4.2 Mode Select 22
- DS671F2 23 23
- 4.3.1 OLM #1 24
- 4.3.2 OLM #2 24
- 4.3.3 OLM #3 25
- 4.3.4 OLM #4 25
- 4.3.5 TDM 26
- 4.4 Oversampling Modes 26
- 4.5 Interpolation Filter 26
- 4.6 De-Emphasis 27
- 4.7 ATAPI Specification 27
- Not Used 28
- 4.9.1 Capacitor Placement 29
- 4.11 The MUTEC Outputs 30
- 4.12.1 Hardware Mode 31
- 4.12.2 Software Mode 32
- 4.14 Control Port Interface 32
- 4.14.1 MAP Auto Increment 32
- 4.14.2 I²C Mode 32
- 4.14.2.1 I²C Write 33
- 4.14.2.2 I²C Read 33
- 4.14.3 SPI Mode 34
- 4.14.3.1 SPI Write 34
- 5. REGISTER QUICK REFERENCE 35
- 36 DS671F2 36
- Addr Function 7 6 5 4 3 2 1 0 36
- 6. REGISTER DESCRIPTION 37
- 6.2.5 Power Down (PDN) 38
- 6.3 PCM Control (address 03h) 38
- 6.3.2 Functional Mode (FM) 39
- 6.4 DSD Control (address 04h) 39
- 6.8.4 PCM Auto-Mute (PAMUTE) 43
- 6.8.5 DSD Auto-Mute (DAMUTE) 44
- 6.9.1 Mute (MUTE_xx) 44
- 76543210 47
- 7. FILTER PLOTS 48
- DS671F2 49 49
- 50 DS671F2 50
- DS671F2 51 51
- 8. PARAMETER DEFINITIONS 52
- 9. PACKAGE DIMENSIONS 53
- 48L LQFP PACKAGE DRAWING 53
- 10.ORDERING INFORMATION 54
- 11.REFERENCES 54
- 12.REVISION HISTORY 54
- DS671F2 55 55
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