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參數資料
| 型號： | YMU765-QZ |
| 元件分類： | 音頻合成 |
| 英文描述： | TONE/MUSIC SYNTHESIZER, PQCC32 |
| 封裝： | LEAD FREE, PLASTIC, QFN-32 |
| 文件頁數： | 2/19頁 |
| 文件大小： | 548K |
| 代理商： | YMU765-QZ |
YMU765
10
○ CLKI (TCXO mode)
Item
Symbol
Min.
Typ.
Max.
Unit
CLKI frequency
1 / Tfreq
1.5
27
MHz
CLKI rise / fall time
Trckt , Tfckt
250
ns
CLKI amplitude H (1.5MHz ≤ CLKI frequency ≤ 20MHz) Vmax - Vcenter
0.30
0.35
× VDD
V
CLKI amplitude L (1.5MHz ≤ CLKI frequency ≤ 20MHz) Vcenter - Vmin
0.30
0.35
× VDD
V
CLKI amplitude H (20MHz < CLKI frequency ≤ 27MHz) Vmax - Vcenter
0.45
0.35
× VDD
V
CLKI amplitude L (20MHz < CLKI frequency ≤ 27MHz)
Vcenter - Vmin
0.45
0.35
× VDD
V
Wait time to stable operation (*1)
Twait
2
ms
Feedback resistance
Rck
30
45
63
k
[Condition] TOP=-20 85°C, VDD=2.65 3.30V, Capacitor load=50pF
(*1) : The value at the AC coupling of TCXO parts and the CLKI pin by the capacity of 1000pF.
At the items of CLKI amplitude H/L, its spec differs with CLKI frequency.
The voltage level which Duty of CLKI becomes 50% (High time = Low time) is defined as Vcenter.
The measurement point of Trckt and Tfckt differs with CLKI frequency.
1.5MHz ≤ CLKI frequency ≤ 20MHz: it is defined by a time change of Vcenter+0.3[V] and Vcenter-0.3[V].
20MHz < CLKI frequency ≤ 27MHz: it is defined by a time change of Vcenter+0.45[V] and Vcenter-0.45[V]
The timing observation level of Tfreq is to be Vcenter (Duty=50%).
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