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AKD4634 Datasheet(PDF) 7 Page - Asahi Kasei Microsystems |
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AKD4634 Datasheet(HTML) 7 Page - Asahi Kasei Microsystems |
7 / 77 page [AK4634] Rev. 0.5 2007/10 - 7 - ANALOG CHRACTERISTICS (Ta=25 °C; AVDD = DVDD = SVDD=3.3V; VSS1-3 =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: MIC, LIN pins ; MDIF bit = “0”; (Single-ended input) Input Resistance 20 30 40 k Ω Gain (MGAIN3-0 bits = “0000”) - 0 - dB (MGAIN3-0 bits = “0001”) - 20 - dB (MGAIN3-0 bits = “0010”) - 26 - dB (MGAIN3-0 bits = “0011”) - 32 - dB (MGAIN3-0 bits = “0100”) - 10 - dB (MGAIN3-0 bits = “0101”) - 17 - dB (MGAIN3-0 bits = “0110”) - 23 - dB (MGAIN3-0 bits = “0111”) - 29 - dB (MGAIN3-0 bits = “1000”) - 3 - dB (MGAIN3-0 bits = “1001”) - 6 - dB MIC Amplifier: MICP, MICN pins ; MDIF bit = “1”; (Full-differential input) Input Voltage (MGAIN3-0 bits = “0001”) - - 0.228 Vpp (Note 6) (MGAIN3-0 bits = “0010”) - - 0.114 Vpp (MGAIN3-0 bits = “0011”) - - 0.057 Vpp (MGAIN3-0 bits = “0100”) - - 0.720 Vpp (MGAIN3-0 bits = “0101”) - - 0.322 Vpp (MGAIN3-0 bits = “0110”) - - 0.161 Vpp (MGAIN3-0 bits = “0111”) - - 0.080 Vpp (MGAIN3-0 bits = “1001”) - - 1.14 Vpp MIC Power Supply: MPI pin Output Voltage (Note 7) TBD 2.64 TBD V Load Resistance 2 - - k Ω Load Capacitance - - 30 pF ADC Analog Input Characteristics: MIC/LIN ADC, MIC Gain=20dB, IVOL=0dB, ALC1bit = “0” Resolution - - 16 Bits Input Voltage (MIC Gain=20dB, Note 8) TBD 0.198 TBD Vpp S/(N+D) ( −1dBFS) (Note 9) TBD 84 - dB D-Range ( −60dBFS) TBD 86 - dB S/N TBD 86 - dB DAC Characteristics: Resolution 16 Bits Mono Line Output Characteristics: AOUT pin, DAC → AOUT, RL=10kΩ Output Voltage (Note 10) LOVL bit = “0” TBD 1.98 TBD Vpp LOVL bit = “1” TBD 2.50 TBD Vpp S/(N+D) (0dBFS) (Note 9) TBD 85 - dB D-Range (-60dBFS) TBD 93 - dB S/N TBD 93 - dB Load Resistance 10 - - k Ω Load Capacitance - - 30 pF Speaker-Amp Characteristics: SDTI SPP/SPN pins, ALC2 bit = “0”, SPKG bit = “0”, RL=8Ω + 10μH, BTL = SVDD=3.3V Output Power (0dBFS) (Note 11) - 400 - mW S/(N+D) 400mW output - 20 - dB 150mW output - 55 - dB Output Noise Level TBD -80 - dBV Load Resistance 8 - - Ω Load Capacitance - - 30 pF |
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