参数资料
型号: WLA49VVA
厂商: National Semiconductor Corporation
元件分类: ADC
英文描述: Audio Sub-System with Dual-Mode Stereo Headphone and Mono High Efficiency Loudspeaker Amplifiers and Multi-Purpose ADC
中文描述: 音频子系统的双模单声道立体声耳机和扬声器放大器的高效率和多功能模数转换器
文件页数: 19/112页
文件大小: 5017K
代理商: WLA49VVA
10.0 Electrical Characteristics (Notes 1, 2) Unless otherwise stated PLL_V
DD = 3.3V, D_VDD = 3.3V,
BB_VDD = 1.8V, A_VDD = 3.3V, LS_VDD = 3.3V. The following specifications apply for the circuit shown in Figure 2 unless
otherwise stated. Limits apply for 25C. (Continued)
Symbol
Parameter
Conditions
LM4935
Units
Typical
Limit
Total DC Power Dissipation
MP3 Mode Power Dissipation
DAC (f
S = 48kHz) and HP ON
f
MCLK = 12MHz, PLL OFF
57
mW
f
MCLK = 13MHz, PLL ON
f
PLLOUT = 12MHz
63
mW
f
MCLK = 19.2MHz, PLL ON
f
PLLOUT = 12MHz
64
mW
FM Mode Power Dissipation
AUX Inputs selected and HP ON
f
MCLK = 12MHz, PLL OFF
24
mW
f
MCLK = 13MHz, PLL OFF
25
mW
f
MCLK = 19.2MHz, PLL OFF
27
mW
VOICE CODEC Mode Power
Dissipation
PCM DAC (f
S = 8kHz) + ADC (fS =
8kHz) and EP ON
f
MCLK = 12MHz, PLL OFF
49
mW
f
MCLK = 13MHz, PLL OFF
50
mW
f
MCLK = 19.2MHz, PLL ON
f
PLLOUT = 12MHz
56
mW
VOICE Module Mode Power
Dissipation
CP IN selected. EP and CPOUT ON
f
MCLK = 12MHz, PLL OFF
30
mW
f
MCLK = 13MHz, PLL OFF
31
mW
f
MCLK = 19.2MHz, PLL OFF
33
mW
LM4935
www.national.com
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