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參數(shù)資料
| 型號： | LC83026E |
| 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 Systems |
| 中文描述： | 數(shù)字信號處理器的卡拉OK系統(tǒng) |
| 文件頁數(shù)： | 7/16頁 |
| 文件大小： | 283K |
| 代理商： | LC83026E |
No. 5663-7/16
LC83026E
Parameter
Symbol
Conditions
Ratings
Unit
Notes
min
typ
max
[External DRAM Access Timing]
RAS high-level pulse width
t
RP
t
RAS
t
CP
t
CAS
t
PC
t
RCD
t
CSH
t
RSH
t
ASR
t
RAH
t
ASC
t
CAH
t
WP
t
WCS
t
WCH
t
DSO
t
DHO
C1
80
ns
7
RAS low-level pulse width
700
ns
7
CAS high-level pulse width
50
ns
7
CAS low-level pulse width
95
ns
7
CAS cycle time
175
ns
7
RAS to CAS delay time
60
ns
7
CAS hold time
170
ns
7
RAS hold time
95
ns
7
RAS address setup time
60
ns
7
RAS address hold time
20
ns
7
CAS address setup time
30
ns
7
CAS address hold time
90
ns
7
DWRT pulse width
95
ns
7
Write command setup time
12
ns
7
Write command hold time
65
ns
7
Output data setup time
30
ns
7
Output data hold time
100
ns
7
13
pF
8
Crystal oscillator
C2
29
pF
8
L
1.5
μH
8
Current drain
I
DD
60
95
mA
9
Continued from preceding page.
Parameter
Symbol
Conditions
Ratings
Unit
Notes
min
typ
max
[A/D Converter Block]
Total harmonic distortion
A-THD
1 kHz, at 0 dB
0.05
%
10
Signal-to-noise ratio
A-S/N
1 kHz, at 0 dB
75
80
dB
10,11
Crosstalk
A-C · T
1 kHz, at 0 dB
–75
dB
10,11
[D/A Converter Block]
Total harmonic distortion
D-THD
1 kHz, at 0 dB
0.01
%
10
Signal-to-noise ratio
D-S/N
1 kHz, at 0 dB
85
dB
10,11
Crosstalk
D-C · T
1 kHz, at 0 dB
–80
dB
10,11
Electrical Characteristics 2
at Ta = 25°C, all V
DD
= 5.0 V, all V
SS
= 0 V unless otherwise specified
Notes:
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
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 line capacitances.
9. The typical values for the current drain are for V
DD
= 5 V, room temperature, and typical samples.
10. Fs = 44.1 kHz and 20 kHz low-pass filter used. Measurement is with the external circuit structure and constants in the Sanyo evaluation board.
11. With the weight A filter used.
Output timing to the external DRAM.
See Figure 8.
Output timing to the external DRAM.
See Figure 8.
OSC1 and OSC2. See Figure 2.
For V
1, V
2, and V
3 when
operating at 33.8688 MHz.
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