Datasheet SSM2604 (Analog Devices) - 3

制造商Analog Devices
描述Low Power Audio Codec
页数 / 页28 / 3 — Data Sheet. SSM2604. SPECIFICATIONS. Table 1. Parameter. Min. Typ. Max. …
修订版B
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Data Sheet. SSM2604. SPECIFICATIONS. Table 1. Parameter. Min. Typ. Max. Unit. Conditions

Data Sheet SSM2604 SPECIFICATIONS Table 1 Parameter Min Typ Max Unit Conditions

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Data Sheet SSM2604 SPECIFICATIONS
TA = 25°C, AVDD = DVDD = 3.3 V, 1 kHz signal, fS = 48 kHz, PGA gain = 0 dB, 24-bit audio data, unless otherwise noted.
Table 1. Parameter Min Typ Max Unit Conditions
RECOMMENDED OPERATING CONDITIONS Analog Voltage Supply (AVDD) 1.8 3.3 3.6 V Digital Power Supply 1.5 3.3 3.6 V Ground (AGND, DGND) 0 V POWER CONSUMPTION Power-Up Stereo Record (1.5 V and 1.8 V) 7 mW Stereo Record (3.3 V) 22 mW Stereo Playback (1.5 V and 1.8 V) 7 mW Stereo Playback (3.3 V) 22 mW Power-Down 56 μW LINE INPUT Input Signal Level (0 dB) 1 × AVDD/3.3 V rms Input Impedance 200 kΩ PGA gain = 0 dB 10 kΩ PGA gain = +33 dB 480 kΩ PGA gain = −34.5 dB Input Capacitance 10 pF Signal-to-Noise Ratio (A-Weighted) 70 90 dB PGA gain = 0 dB, AVDD = 3.3 V 84 dB PGA gain = 0 dB, AVDD = 1.8 V Total Harmonic Distortion (THD) −80 dB −1 dBFS input, AVDD = 3.3 V −75 dB −1 dBFS input, AVDD = 1.8 V Channel Separation 80 dB Programmable Gain −34.5 0 +33.5 dB Gain Step 1.5 dB Mute Attenuation −80 dB LINE OUTPUT DAC −1 dBFS input DAC + line output Full-Scale Output 1 × AVDD/3.3 V rms Signal-to-Noise Ratio (A-Weighted) 85 100 dB AVDD = 3.3 V 94 dB AVDD = 1.8 V THD + N −80 −75 dB AVDD = 3.3 V −75 dB AVDD = 1.8 V Power Supply Rejection Ratio 50 dB Channel Separation 80 dB LINE INPUT TO LINE OUTPUT Full-Scale Output Voltage 1 × AVDD/3.3 V rms Signal-to-Noise Ratio (A-Weighted) 92 dB AVDD = 3.3 V 86 dB AVDD = 1.8 V Total Harmonic Distortion −80 dB AVDD = 3.3 V −80 dB AVDD = 1.8 V Power Supply Rejection 50 dB Rev. B | Page 3 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