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AKD4633 Datasheet(PDF) 10 Page - Asahi Kasei Microsystems |
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AKD4633 Datasheet(HTML) 10 Page - Asahi Kasei Microsystems |
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10 / 82 page  ASAHI KASEI [AK4633] MS0447-E-03 2006/04 - 10 - ANALOG CHRACTERISTICS (Ta=25 °C; AVDD, DVDD, SVDD=3.3V; AVSS=DVSS=SVSS=0V; fs=8kHz, BICK=64fs; Signal Frequency=1kHz; 16bit Data; Measurement frequency=20Hz ∼ 3.4kHz; EXT Slave Mode; unless otherwise specified) Parameter min typ max Units MIC Amplifier : MDIF bit = “0”; (Single-ended input) Input Resistance 20 30 40 k Ω Gain (MGAIN2-0 bits = “000”) - 0 - dB (MGAIN2-0 bits = “001”) - 20 - dB (MGAIN2-0 bits = “010”) - 26 - dB (MGAIN2-0 bits = “011”) - 32 - dB (MGAIN2-0 bits = “100”) - 6 - dB (MGAIN2-0 bits = “101”) - 10 - dB (MGAIN2-0 bits = “110”) - 14 - dB (MGAIN2-0 bits = “111”) - 17 - dB MIC Amplifier : MDIF bit = “1”; (Full-differential input) Input Voltage (MGAIN2-0 bits = “001”) - - 0.228 Vpp (Note 8) (MGAIN2-0 bits = “010”) - - 0.114 Vpp (MGAIN2-0 bits = “011”) - - 0.057 Vpp (MGAIN2-0 bits = “100”) - - 1.14 Vpp (MGAIN2-0 bits = “101”) - - 0.721 Vpp (MGAIN2-0 bits = “110”) - - 0.455 Vpp (MGAIN2-0 bits = “111”) - - 0.322 Vpp MIC Power Supply: MPI pin Output Voltage (Note 9) 2.38 2.64 2.90 V Load Resistance 2 - - k Ω Load Capacitance - - 30 pF ADC Analog Input Characteristics: MIC ADC, MIC Gain=20dB, IVOL=0dB, ALC1bit = “0” Resolution - - 16 Bits Input Voltage (MIC Gain=20dB,Note 10) 0.168 0.198 0.228 Vpp S/(N+D) ( −1dBFS) (Note 11) 72 84 - dB D-Range ( −60dBFS) 75 85 - dB S/N 75 85 - dB DAC Characteristics: Resolution 16 Bits Mono Line Output Characteristics: AOUT pin, DAC → AOUT, RL=10kΩ Output Voltage (Note 12) 1.78 1.98 2.18 Vpp S/(N+D) (0dBFS) (Note 11) 73 85 - dB D-Range (-60dBFS) 83 93 - dB S/N 83 93 - dB Load Resistance 10 - - k Ω Load Capacitance - - 30 pF Speaker-Amp Characteristics: DAC SPP/SPN pins, ALC2 bit = “0”, RL=8Ω, BTL, SVDD=3.3V SPKG1-0 bits = “00” (-4.1dBFS) 2.54 3.17 3.80 Vpp Output Voltage SPKG1-0 bits = “01” (-4.1dBFS) 3.20 4.00 4.80 Vpp S/(N+D) As 150mW output power 40 60 - dB As 400mW output power - 20 - dB Output Noise SPKG1-0 bits = “00” - -87 - dBV Level SPKG1-0 bits = “01” -75 -85 - dBV SPKG1-0 bits = “10” - -83 - dBV Load Resistance 8 - - Ω Load Capacitance - - 30 pF |
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