8-Pin, 24-Bit, 96Khz Stereo D/A Converter (Wm8720) - Akai DV-P3470S Service Manual

109 AVDD
107 AGND
114 SVDD
117 SGND
2,120 WAVDD
128,118 WAGND
5 AVDDO
8 AGNDO
14 AVDDT
12 AGNDT
22 VDDP
31 GNDP
37,54 VDD
39,57 GND
REFERENCE VOLTAGE
16 VREFO
15 V2REFO
17 V20
ALPC TRIMMING
9 TM1
10 TM2
11 TM3
13 TM4
HIGH SPEED TRACK COUNTING
29 TRLP
28 TRLPA
30 HTRC
PCS
74 HALLSIN
75 REFSIN
76 SINPHI
71 HALLCOS
72 REFCOS
70 COSPHI
FOR MONITOR ONLY
81 MON
80 MOP
66 VCON
77 SWO
78 SW2
79 SW1
FOR SERIAL I/O
42 IO0
43 IO1
44 IO2
45 IO3
46 IO4
47 IO5
48 IO6
49 IO7
50 IO8
51 IO9
52 IOA
53 IOB
2-1-4 20-Pin, 24-Bit, 96kHz Stereo D/A with Volume Control (WM8720)
Features
♦
Performance:
-102dB SNR ('A' weighted @48kHz),
Power RF path Power
GND RF path GND
Power Servo Power
GND Servo GND
Power Wobble Power
GND Wobble GND
Power Power for RF output
GND GND for RF output
Power Power for trimming PAD
GND GND for trimming PAD
Power Peak Detection Power
GND Peak Detection GND
Power Serial I/O Power
GND Serial I/O GND
Analog output Reference voltage 1.4V
Analog output Reference voltage 2.8V
Analog output Reference voltage 2.0V
Analog input Trimming pin for ALPC1
Analog input Trimming pin for ALPC1
Analog input Trimming pin for ALPC2
Analog input Trimming pin for ALPC2
Analog Low-pass filter capacitor connecting
Analog Low-pass filter capacitor connecting
Digital output High speed track counting digital output
Analog input Negative input of amplifier for hall sensor signal
Analog input Positive input of amplifier for hall sensor signal
Analog output Amplifier output for hall sensor signal
Analog input Negative input of amplifier for hall sensor signal
Analog input Positive input of amplifier for hall sensor signal
Analog output Amplifier output for hall sensor signal
Analog output
Analog output
Analog output
Analog output Output from mux of SW1 & SW2
Analog input External input for servo input select
Analog input External input for servo input select
-THD: -95dB @ 0dB FS
♦
5V or 3.3V supply operation
♦
Sampling frequency: 8kHz to 96kHz
17