ak7770eq ETC-unknow, ak7770eq Datasheet
ak7770eq
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ak7770eq Summary of contents
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... Digital HPF for offset DC cancellation - Channel independent Digital Volume control (+24/-103dB, 0.5dB step) - Soft Mute ■ 6ch 24-bit DAC - 128-times oversampling - Sample Rate: 48kHz - S/(N+D): 88dB (fs = 48kHz ) - DR, S/N: 100dB - Channel independent Digital Volume control (+12/-115dB, 0.5dBstep) - Soft Mute - Digital de-emphasis MS0699-E-01-PB GENERAL DESCRIPTION FEATURES - 1 - [AK7770] AK7770EQ 2008/06 ...
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Stereo Headphone Amplifier with Volume Control - DAC3 direct connection - S/(N+D): 73dB (fs=48kHz) - S/N: 86dB (fs=48kHz) - Analog volume control (+0/-50dB,1.0/2.0/4.0dB per step) - Output power: 22.5mW@16Ω click noise at power ON/OFF ■ Headphone Detection ...
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Block Diagram FROL2,FROR2 2 2 FRIL2,FRIR2 ASEL2[1:0] AINL1,AINR1 2 AINL2,AINR2 2 2 AINL3,AINR3 AINL4,AINR4 2 ASEL1[1:0] FRIL1,FRIR1 2 FROL1,FROR1 2 LFLT XTO CLKGEN XTI External system clock 0 CLKOE CLKO SELCLK BITCLKO BITCLKO MBITCLKO LRCLKOE LRCLKO SDIN3 MCLK3 CLK3 ...
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CP0,CP1 CRAM 1536w × 16bit CBUS(16bit) DBUS(24bit) MPX16 MPX20 X Multiply 16bit×20bit→ 36bit 36bit MUL 40bit A ALU 40bit Overflow Margin: 4bit 40bit DR0 ~ 3 Over Flow Data Generator Division 20÷20→20 Peak Detector MS0699-E-01-PB DP0,DP1 14kw × 20bit DRAM ...
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... Ordering Information AK7770EQ AKD7770 ■ Pin Assignment 61 AOUTR1 AOUTL1 62 VSS1 63 64 AVDD 65 FRIR2 FROR2 66 FROL2 67 FRIL2 68 69 AINR1 AINL1 70 AINR2 71 AINL2 72 73 AINR3 74 AINL3 75 AINR4 76 AINL4 77 VSS1 78 VCOM 79 AVDD 80 FROR1 MS0699-E-01-PB -10 ∼ +70°C 80pin LQFP (0.5mm pitch) Evaluation board 80 pin LQFP ...
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No. Pin name I/O 1 FRIR1 I Rch Feedback Resistance Input Pin for ADC1 2 FRIL1 I Lch Feedback Resistance Input Pin for ADC1 3 FROL1 O Lch Feedback Resistance Output Pin for ADC1 At initial reset, this pin goes ...
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No. Pin name I/O 26 LRCLK1 I Left/Right Clock Input 1 Pin 27 CLK1 I Master Clock 1 Pin 28 BITCLK1 I Bit Clock 1 Pin 29 SDIN1 I Serial Data Input 1 Pin 30 LRCLK2 I Left/Right Clock Input ...
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No. Pin name I/O 53 HDT I Headphone Detection Pin Headphone Rch Output Pin 54 HPR O Output is VSS2 at initial reset 55 HVDD - Headphone Power Supply Pin 3.3V(typ) Headphone Common Voltage Output Pin 56 HVCOM O Connect ...
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Handling of Unused Pin The unused I/O pins should be processed appropriately as below. Classification Pin Name FRIR1-2, FRIL1-2, FROL1-2, FROR1-2, XTO, Analog AOUTL1-2, AOUTR1-2, AINL1-4, AINR1-4 LRCLKO,CLKO, BITCLKO, SDOUT1-3, HPEN, HPR, HPL Digital TESTI2, CLK1-3, BITCLK1-3, LRCLK1-3 SDIN1-3, ...
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ADC1/2 (Ta=25 °C; AVDD=HVDD=DVDD=3.3V; DVDD18=1.8V; VSS1=VSS2=VSS3=0V; Signal frequency = 1kHz; Measurement bandwidth =20Hz~20kHz , fs=48kHz fs; SRC reset; unless otherwise specified) Parameter Feedback Resistance Pre-AMP S/(N+D) S/N (A-weighted) Load Capacitance Resolution Pre-AMP Dynamic characteristics + S/(N+ 48kHz ...
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DAC3 + HP Amp (Ta=25°C; AVDD=HVDD=DVDD=3.3V; DVDD18=1.8V; VSS1=VSS2=VSS3=0V; Signal frequency = 1kHz; Measurement bandwidth =20Hz~20kHz , fs=48kHz fs; SRC reset; fs=48kHzs) Parameter Analog Volume Control Characteristics OPGA): Gain Maximum Minimum +0dB ∼ -16dB Step size -16dB ∼ -38dB -38dB ...
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SRC (SRC1, SRC2) (Ta=-10°C ~70°C; AVDD=HVDD=DVDD=3.3V; DVDD18=1.8V; VSS1=VSS2=VSS3=0V; Input signal frequency = 1kHz; measurement bandwidth = 20Hz to FSO/2, fs=48kHz) Parameter Resolution Input Sample Rate Output Sample Rate THD+N (Input= 1kHz, 0dBFS) FSO/FSI=48kHz/44.1kHz FSO/FSI=48kHz/32kHz Dynamic Range (Input= 1kHz, -60dBFS) ...
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AVDD=HVDD=DVDD=3.0~3.6V(typ=3.3V, max=3.6V); DVDD18=1.7~1.9V(typ=1.8V, max=1.9V); VSS1= VSS2 = VSS3=0V) Parameter Power Supply Power supply electric current Normal Operation AVDD HVDD DVDD DVDD18 (Note 18) AVDD+HVDD+DVDD Reset (INITRSTN pin = “L” reference data) AVDD+HVDD+DVDD+DVDD18 Note 18. DVDD18 value varies with use ...
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DAC1-3 (Ta=-10°C ~70°C; AVDD=DVDD=3.0~3.6V; DVDD18=1.7~1.9V; VSS1 = VSS2 = VSS3=0V; fs=48kHz; DEM=OFF) Parameter Passband (±0.05dB) (Note 25) (-6.0dB) Stopband (Note 25) Passband ripple Stopband Attenuation Group delay (Ts=1/fs) (Note 26) Digital filter + analog filter Amplitude characteristic 20Hz~20.0kHz Note ...
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System Clock (Ta=-10°C ~70°C; AVDD=HVDD=DVDD=3.0~3.6V; DVDD18=1.7~1.9V; VSS1 = VSS2 = VSS3=0V) Parameter XTI a) with a crystal oscillator b) with an external clock Duty cycle ratio CLK1, CLK2 Frequency Duty cycle ratio Clock speed LRCLK1, LRCLK2 Frequency (Note 29) ...
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Audio System Interface 1. SDIN1~SDIN3, SDOUT1~SDOUT3 (Ta=-10°C ~70°C; AVDD=HVDD=DVDD=3.0~3.6V; DVDD18=1.7~1.9V; VSS1 = VSS2 = VSS3=0V; CL=20pF) Parameter Input Delay time from BITCLKn “↑”to LRCLK Delay time from LRCLKn to BITCLKn “↑” Serial data entry latch setup time Serial data ...
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Microcontroller Interface (I2CBUS Interface) (Ta=-10°C ~70°C; AVDD=HVDD=DVDD=3.0~3.6V; DVDD18=1.7~1.9V; VSS1= VSS2 = VSS3=0V) Parameter Timing SCL clock frequency Bus Free Time Between Transmissions Start Condition Hold Time (prior to first Clock pulse) Clock Low Time Clock High ...
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Timing Diagram XTI LRCLKn BITCLKn INITRSTN MS0699-E-01-PB 1/fXTI 1/fXTI 1/fs 1/fs 1/fBCLK 1/fBCLK tBCLKH tBCLKL Figure 4. System Clock tRST Figure 5. Reset - 18 - [AK7770] tXTI=1/fXTI VIH ...
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LRCLKn LRCLKO tBLRD BITCLKn BITCLKO tLRD SDOUT* SDIN* SDIN*=SDIN1, SDIN2, SDIN3 SDOUT*=SDOUT1, SDOUT2, SDOUT3 SDA tBUF tLOW SCL tHD:STA Stop Start MS0699-E-01-PB tMBL tMBL tLRBD tBSOD tBSIDS Figure 6. Audio System Interface tHIGH tR tF tHD:DAT tSU:DAT tSU:STA Start Figure ...
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LQFP 61 80 1.25TYP 0.50±0.2 ■ Materials and lead Specification Package: Lead frame: Lead-finish: MS0699-E-01-PB PACKAGE (Unit 14.0±0.2 12.0±0 0.20±0.1 0.50 0.08 0.10 Epoxy Copper Soldering plate (Pb free [AK7770] ...
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... Date (YY/MM/DD) Revision 08/01/08 00 08/06/24 01 MS0699-E-01-PB MARKING AKM AK7770EQ XXXXXXX 1) Pin #1 indication 2) Date Code: XXXXXXX(7digits) 3) Marking Code: AK7770EQ 4) Asahi Kasei Logo REVISION HISTORY Reason Page Contents First Edition SWITCHING CHARACTERISTICS Error Correct 15 ■System Clock CLK1, CLK2 Frequency; 11.0 → 2 [AK7770] 2008/06 ...
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These products and their specifications are subject to change without notice. When you consider any use or application of these products, please make inquiries the sales office of Asahi Kasei EMD Corporation (AKEMD) or authorized distributors as to current status ...