參數(shù)資料
型號： LM4935WLX
廠商： National Semiconductor Corporation
元件分類： 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： 音頻子系統(tǒng)的雙模單聲道立體聲耳機和揚聲器放大器的高效率和多功能模數(shù)轉(zhuǎn)換器
文件頁數(shù)： 10/112頁
文件大?。?/td> 5017K
代理商： LM4935WLX
10.0 Electrical Characteristics
(Notes 1, 2) Unless otherwise stated
PLL_V
DD
= 3.3V, D_V
DD
= 3.3V,
BB_V
DD
= 1.8V, A_V
= 3.3V, LS_V
= 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
(Note 6)
Limit
(Note 7)
HEADPHONE AMPLIFIER
SNR
HP
Signal to Noise Ratio
From 0dB Analog AUX input
A-weighted
SE Mode
OCL Mode
VCM = 1.2V
OCL Mode
VCM = 1.5V
32
load, 3.3V, P
O
= 7.5mW
A-weighted
98
dB
97
dB
96
dB
HP
THD+N
e
N
A
CH-CH
Headphone Harmonic Distortion
Output Noise
Stereo Channel-to-Channel Gain
Mismatch
0.05
12
%
μV
0.3
dB
X
TALK
Stereo Crosstalk
SE Mode
OCL Mode
61
63
dB
dB
EARPIECE AMPLIFIER
P
EP
Earpiece Power
32
load, 3.3V
115
100
mW
(min)
mW
16
load, 3.3V
AUX inputs terminated
C
BYPASS
= 1.0 μF
V
RIPPLE
= 200 mV
P-P
F
RIPPLE
= 217 Hz
From 0dB Analog AUX input,
A-weighted
32
load, 3.3V, P
O
= 50mW
A-weighted
150
PSRR
EP
Power Supply Rejection Ratio
(Earpiece)
65
dB
SNR
EP
Signal to Noise Ratio
98
dB
EP
THD+N
e
N
V
OS
AUXOUT AMPLIFIER
THD+N
PSRR
Earpiece Harmonic Distortion
Output Noise
Offset Voltage
0.04
24
15
%
μV
mV
Total Harmonic Distortion + Noise
Power Supply Rejection Ratio
V
O
= 1V
RMS
, 5k
load
AUX inputs terminated
C
BYPASS
= 1.0μF
V
RIPPLE
= 200mVPP
f
RIPPLE
= 217Hz
0.02
%
70
dB
CP_OUT AMPLIFIER
THD+N
PSRR
Total Harmonic Distortion + Noise
Power SUpply Rejection Ratio
V
O
= 1V
RMS
, 5k
load
C
BYPASS
= 1.0μF
V
RIPPLE
= 200mVPP
f
RIPPLE
= 217Hz
0.02
%
68
dB
MONO ADC
R
ADC
PB
ADC
ADC Ripple
ADC Passband
±
0.25
300
3470
60
dB
Hz
Hz
dB
Lower (HPF Mode 1), f
S
= 8 kHz
Upper
Above Passband
HPF Notch, 50 Hz/60 Hz (worst
case)
From CPI, A-weighted
SBA
ADC
ADC Stopband Attenuation
58
dB
SNR
ADC
ADC
LEVEL
ADC Signal to Noise Ratio
ADC Full Scale Input Level
90
1
dB
V
RMS
L
www.national.com
10
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相關代理商/技術參數(shù)
參數(shù)描述
LM4936 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Stereo 2W Audio Power Amplifiers with Volume Control and Selectable Control Interface (SPI or I2C)
LM49360 制造商:TI 制造商全稱:Texas Instruments 功能描述:Mono Class D Audio Codec PMU with Ground Referenced Headphone Amplifiers, Earpiece Driver, Audio DSP, 2 Step-Down DC-DC Converters, and 7 LDO Regulators
LM49360RL 制造商:TI 制造商全稱:Texas Instruments 功能描述:Mono Class D Audio Codec PMU with Ground Referenced Headphone Amplifiers, Earpiece Driver, Audio DSP, 2 Step-Down DC-DC Converters, and 7 LDO Regulators
LM49360RLX 制造商:TI 制造商全稱:Texas Instruments 功能描述:Mono Class D Audio Codec PMU with Ground Referenced Headphone Amplifiers, Earpiece Driver, Audio DSP, 2 Step-Down DC-DC Converters, and 7 LDO Regulators
LM4936MH 功能描述:音頻放大器 RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
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