Datasheet SSM2603 (Analog Devices) - 10

SSM2603 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 NI −6 AG AG −0.1 M M −7 −0.2 −8 −9 −0.3 −10 −0.4 0 4 8 12 16 0 4 8 12 16 20
007 010
FREQUENCY (kHz) FREQUENCY (kHz)
07241- 07241- 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)
07241- 07241- 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 −6 NI AG AG −0.1 M −7 M −0.2 −8 −9 −0.3 −10 −0.4 0 4 8 12 16 20
009
0 4 8 12 16 20 24
012
FREQUENCY (kHz) FREQUENCY (kHz)
07241- 07241- Figure 13. De-Emphasis Frequency Response, Audio Sampling Rate = 44.1 kHz Figure 16. De-Emphasis Error, Audio Sampling Rate = 48 kHz Rev. D | Page 10 of 31 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 Clock ADC and DAC ADC High-Pass and DAC De-Emphasis Filters Hardware Mute Pin Automatic Level Control (ALC) Decay (Gain Ramp-Up) Time Attack (Gain Ramp-Down) Time Noise Gate Analog Interface Signal Chain Stereo Line and Monaural Microphone Inputs Bypass and Sidetone Paths to Output Line and Headphone 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 Left-Channel DAC Volume, Address 0x02 Right-Channel DAC Volume, Address 0x03 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 ALC Control 1, Address 0x10 ALC Control 2, Address 0x11 Noise Gate, Address 0x12 Outline Dimensions Ordering Guide