參數(shù)資料
型號: LC83025
廠商: Sanyo Electric Co.,Ltd.
元件分類: 數(shù)字信號處理
英文描述: Digital Signal Processor for Karaoke Products
中文描述: 數(shù)字信號處理器的卡拉OK產品
文件頁數(shù): 9/15頁
文件大?。?/td> 262K
代理商: LC83025
Electrical Characteristics 2
at Ta = 25°C, all V
DD
= 5.0 V, all V
SS
= 0 V unless otherwise specified
Note: 1. TTL output level pins: ASO, FS384O, BCKO, LRCKO, D0 to D7, A0 to A8, RAS, CAS, DREAD, DWRT
2. CMOS intermediate current output pins: P3, P4, SIAK, TEST6
3. N-channel open-drain intermediate current output pins: P0 to P2
4. Low Schmitt input pins: BCKI, ASI, LRCKI, D0 to D7, FS384I
5. Normal input pins: P0 to P2, TEST1 to TEST5, SELC, SAIF, SAOF
6. Schmitt input pins: RES, SI, SICK, SIRQ, SRDY, OSC1
7. When the load capacitance is 50 pF
8. The values for the oscillator capacitors C1 and C2 include the wiring capacitances.
9. The value for the current drain is a typical value for V
DD
= 5 V, room temperature, and a typical sample.
10. With weight A filter present, with Fs = 44.1 kHz, and tested in the Sanyo evaluation board.
11. Varies with the values of the external components. The listed value is for the circuit structure and values shown in Figure 9 in the Sanyo evaluation
board.
Figure 1 External Clock Input Waveform (FS384I)
Figure 2 Crystal Oscillator Circuit
Figure 3 Oscillator Stabilization Time
No. 4977-9/15
LC83025E
Parameter
Symbol
Conditions
min
typ
max
Unit
Note
[A/D Converter Block]
1 kHz, 0 dB: Lch
0.065
%
10, 11
Total harmonic distortion
A-THD
1 kHz, 0 dB: Rch
0.065
%
10, 11
1 kHz, 0 dB: Mic
0.070
%
10, 11
Signal-to-noise ratio
A-S/N
1 kHz, 0 dB
70
75
dB
10, 11
Crosstalk
A-C · T
1 kHz, 0 dB
–72
dB
10
[D/A Converter Block]
Total harmonic distortion
D-THD
1 kHz, –1 dB
0.045
%
10
Signal-to-noise ratio
D-S/N
1 kHz, –1 dB
78
dB
10
Crosstalk
D-C · T
1 kHz, –1 dB
–75
dB
10
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