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参数资料
| 型号： | LC78647NT |
| 元件分类： | 消费家电 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP100 |
| 封装： | 14 X 14 MM, TQFP-100 |
| 文件页数： | 15/17页 |
| 文件大小： | 175K |
| 代理商： | LC78647NT |
LC78647NT
-7-
1-Bit DAC Block Analog Characteristics/Ta = 25 °C, VDD = LVDD = RVDD = 3.3 V, VSS = LVSS =
RVSS = 0 V
Item
Symbol
Pin Name
Conditions
Min. Typ. Max.
Unit
Output level
LEVEL LCHO, RCHO 1 kHz: 0 dB data input
0.63
Vrms
Total harmonic
distortion factor
THD + N LCHO, RCHO
1 kHz: 0 dB data input,
20 kHz-LPF used (incorporated in AD725D)
0.012 0.015
%
D range
DR
LCHO, RCHO
1 kHz: –60 dB data input,
20 kHz-LPF, A filter used (incorporated in
AD725D)
92
96
dB
Signal-to-noise
ratio
S/N
LCHO, RCHO
1 kHz: 0 dB data input,
20 kHz-LPF, A filter used (incorporated in
AD725D)
95
98
dB
Crosstalk
CT
LCHO, RCHO
1 kHz: 0 dB data input,
20 kHz-LPF used (incorporated in AD725D)
82
85
dB
* Measurements in normal-speed playback mode in Sanyo 1-bit DAC block reference circuit
1-Bit DAC Output Block Reference Circuit
Resonator: 16.9344 MHz
LC78647NT
C
1500 pF
2.2 k
10 F
100 k
LVDD (RVDD)
LCHO (RCHO)
LVss (RVss)
XOU
XIN
Resonator
Analog output
LCH (RCH)
AD725D
(Shibasoku Corp.)
LPF
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