Datasheet AK5706 (Asahi Kasei Microdevices) - 10

link to page 10 link to page 10 link to page 10 link to page 10

[AK5706]
<High Performance Mode> Parameter Min. Typ. Max. Unit ADC Analog Input Characteristics:
AIN1P, AIN2P pins (
Single-ended Input
) or AIN1P/N, AIN2P/N pins (
Differential Input
) → ADC → SDTO; ADCLP bit = “0” Resolution - - 24 Bits 0 dB 1.85 2.02 2.18 Vpp Input Full Scale Voltage (Note 15) +18 dB - 0.255 Vpp fs = 48 kHz 0 dB - −90 - dB BW = 20 kHz +18 dB - −86 −71 dB THD+N (−1 dBFS) fs = 96 kHz 0 dB - −88 - dB BW = 40 kHz +18 dB - −84 - dB fs = 192 kHz 0 dB - −88 - dB BW = 40 kHz +18 dB - −84 - dB 0 dB 99 105 - dB Dynamic Range (−60 dBFS, A-weighted) +18 dB - 93 - dB 0 dB 99 105 - dB S/N (A-weighted) +18 dB - 93 - dB 0 dB - 100 - dB Interchannel Isolation +18 dB 80 100 - dB Interchannel Gain Mismatch - 0 0.8 dB 0 dB - 60 - dB PSRR (1 kHz) (Note 16) +18 dB - 60 - dB
<Low Power Mode: fs ≤ 48kHz> Parameter Min. Typ. Max. Unit ADC Analog Input Characteristics:
AIN1P, AIN2P pins (
Single-ended Input
) or AIN1P/N, AIN2P/N pins (
Differential Input
) → ADC → SDTO; ADCLP bit = “1” Resolution - - 24 Bits 0 dB 1.85 2.02 2.18 Vpp Input Full Scale Voltage (Note 15) +18 dB - 0.255 - Vpp fs = 48 kHz 0 dB - −88 - dB THD+N (−1 dBFS) BW = 20 kHz +18 dB - −82 −67 dB 0 dB 97 103 - dB Dynamic Range (−60 dBFS, A-weighted) +18 dB - 91 - dB 0 dB 97 103 - dB S/N (A-weighted) +18 dB - 91 - dB 0 dB - 100 - dB Interchannel Isolation +18 dB 80 100 - dB Interchannel Gain Mismatch - 0 0.8 dB 0 dB - 60 - dB PSRR (1 kHz) (Note 16) +18 dB - 60 - dB Note 15. Input voltage is proportional to AVDD. Single-ended Input: Vin = 2.02 Vpp x AVDD / 3.3 V (Typ.) @ Gain = 0 dB Full Differential Input: Vin = (AINP) − (AINN) = 2.02 Vpp x AVDD / 3.3 V (Typ.) @ Gain = 0 dB Note 16. PSRR for all power supplies is measured with respect to a 100 mVpp sine wave input. This ratio is based upon 100 mVpp (= −26.1 dBFS) at the ADC output. 200500012-E-00-PB 2020/05 - 10 - Document Outline 1. General Description 2. Features 3. Table of Contents 4. Block Diagram 5. Pin Configurations and Functions 5.1. Pin Configurations 5.2. Functions 5.3. Handling of Unused Pins 5.4. Pin State in Power-down Mode 6. Absolute Maximum Ratings 7. Recommended Operating Conditions 8. Electrical Characteristics 8.1. Microphone & ADC Analog Characteristics (AVDD = 3.3V: AVDDMD bit = “1”) 8.2. Microphone & ADC Analog Characteristics (AVDD = 1.8V: AVDDMD bit = “0”) 8.3. Acoustic Activity Analyzer Characteristics 8.4. PLL, AOSC Characteristics 8.5. LDO Characteristics 8.6. VCOM Characteristics 8.7. Power Supply Current 8.8. Power Consumption for Each Operation Mode (Typ.) 8.9. Filter Characteristics 8.9.1. Short Delay Sharp Roll-off Filter (ADVF bit = “0”) 8.9.2. Voice Filter (ADVF bit = “1”) 8.10. DC Characteristics 8.11. Switching Characteristics 9. Package 9.1. Outline Dimensions 9.2. Material & Lead finish 9.3. Marking 10. Ordering Guide 11. Revision History IMPORTANT NOTICE