Datasheet SSM2604 (Analog Devices) - 10
| Hersteller | Analog Devices |
| Beschreibung | Low Power Audio Codec |
| Seiten / Seite | 28 / 10 — SSM2604. Data Sheet. DIGITAL DE-EMPHASIS. 0.4. 0.3. 0.2. 0.1. UDE. AG … |
| Revision | B |
| Dateiformat / Größe | PDF / 443 Kb |
| Dokumentensprache | Englisch |
SSM2604. Data Sheet. DIGITAL DE-EMPHASIS. 0.4. 0.3. 0.2. 0.1. UDE. AG −0.1. −0.2. −0.3. −10. −0.4. FREQUENCY (kHz)
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SSM2604 Data Sheet DIGITAL DE-EMPHASIS 0 0.4 −1 0.3 −2 0.2 −3 B) B) d d 0.1 ( −4 ( UDE −5 UDE 0 T T NI −6 NI AG AG −0.1 M M −7 −0.2 −8 −9 −0.3 −10 −0.4 0 4 8 12 16
007
0 4 8 12 16 20
010
FREQUENCY (kHz) FREQUENCY (kHz)
06978- 06978- Figure 11. De-Emphasis Frequency Response, Audio Sampling Rate = 32 kHz Figure 14. De-Emphasis Error, Audio Sampling Rate = 44.1 kHz
0.4 0 −1 0.3 −2 0.2 −3 B) B) d 0.1 d −4 ( ( UDE 0 UDE −5 T T NI NI −6 AG −0.1 AG M M −7 −0.2 −8 −0.3 −9 −0.4 −10 0 4 8 12 16 0 4 8 12 16 20 24
008 011
FREQUENCY (kHz) FREQUENCY (kHz)
06978- 06978- Figure 12. De-Emphasis Error, Audio Sampling Rate = 32 kHz Figure 15. De-Emphasis Frequency Response, Audio Sampling Rate = 48 kHz
0 0.4 −1 0.3 −2 0.2 −3 B) B) d d 0.1 ( −4 ( UDE −5 UDE 0 T T NI NI −6 AG AG −0.1 M M −7 −0.2 −8 −0.3 −9 −10 −0.4 0 4 8 12 16 20 0 4 8 12 16 20 24
009 012
FREQUENCY (kHz) FREQUENCY (kHz)
06978- 06978- Figure 13. De-Emphasis Frequency Response, Audio Sampling Rate = 44.1 kHz Figure 16. De-Emphasis Error, Audio Sampling Rate = 48 kHz Rev. B | Page 10 of 28 Document Outline Features Applications General Description Functional Block Diagram Revision History Specifications Digital Filter Characteristics Timing Characteristics Absolute Maximum Ratings Thermal Resistance ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Converter Filter Response Digital De-Emphasis Theory of Operation Digital Core ADC and DAC ADC High-Pass and DAC De-Emphasis Filters Analog Interface Signal Chain Stereo Line Inputs Bypass Path to Output Line Outputs Digital Audio Interface Recording Mode Playback Mode Digital Audio Data Sampling Rate Software Control Interface Control Register Sequencing Typical Application Circuits Register Map Register Map Details Left-Channel ADC Input Volume, Address 0x00 Right-Channel ADC Input Volume, Address 0x01 Analog Audio Path, Address 0x04 Digital Audio Path, Address 0x05 Power Management, Address 0x06 Power Consumption Digital Audio I/F, Address 0x07 Sampling Rate, Address 0x08 Active, Address 0x09 Software Reset, Address 0x0F Outline Dimensions Ordering Guide
007
0 4 8 12 16 20
010
FREQUENCY (kHz) FREQUENCY (kHz)
06978- 06978- Figure 11. De-Emphasis Frequency Response, Audio Sampling Rate = 32 kHz Figure 14. De-Emphasis Error, Audio Sampling Rate = 44.1 kHz
0.4 0 −1 0.3 −2 0.2 −3 B) B) d 0.1 d −4 ( ( UDE 0 UDE −5 T T NI NI −6 AG −0.1 AG M M −7 −0.2 −8 −0.3 −9 −0.4 −10 0 4 8 12 16 0 4 8 12 16 20 24
008 011
FREQUENCY (kHz) FREQUENCY (kHz)
06978- 06978- Figure 12. De-Emphasis Error, Audio Sampling Rate = 32 kHz Figure 15. De-Emphasis Frequency Response, Audio Sampling Rate = 48 kHz
0 0.4 −1 0.3 −2 0.2 −3 B) B) d d 0.1 ( −4 ( UDE −5 UDE 0 T T NI NI −6 AG AG −0.1 M M −7 −0.2 −8 −0.3 −9 −10 −0.4 0 4 8 12 16 20 0 4 8 12 16 20 24
009 012
FREQUENCY (kHz) FREQUENCY (kHz)
06978- 06978- Figure 13. De-Emphasis Frequency Response, Audio Sampling Rate = 44.1 kHz Figure 16. De-Emphasis Error, Audio Sampling Rate = 48 kHz Rev. B | Page 10 of 28 Document Outline Features Applications General Description Functional Block Diagram Revision History Specifications Digital Filter Characteristics Timing Characteristics Absolute Maximum Ratings Thermal Resistance ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Converter Filter Response Digital De-Emphasis Theory of Operation Digital Core ADC and DAC ADC High-Pass and DAC De-Emphasis Filters Analog Interface Signal Chain Stereo Line Inputs Bypass Path to Output Line Outputs Digital Audio Interface Recording Mode Playback Mode Digital Audio Data Sampling Rate Software Control Interface Control Register Sequencing Typical Application Circuits Register Map Register Map Details Left-Channel ADC Input Volume, Address 0x00 Right-Channel ADC Input Volume, Address 0x01 Analog Audio Path, Address 0x04 Digital Audio Path, Address 0x05 Power Management, Address 0x06 Power Consumption Digital Audio I/F, Address 0x07 Sampling Rate, Address 0x08 Active, Address 0x09 Software Reset, Address 0x0F Outline Dimensions Ordering Guide