參數(shù)資料
型號(hào)： LM4935
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(jī)和揚(yáng)聲器放大器的高效率和多功能模數(shù)轉(zhuǎn)換器
文件頁(yè)數(shù)： 10/112頁(yè)
文件大?。?/td> 5017K
代理商： LM4935
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
相關(guān)PDF資料
PDF描述
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LM49350 制造商:NSC 制造商全稱:National Semiconductor 功能描述:High Performance Audio Codec Sub-System with a Ground-Referenced Stereo Headphone Amplifier
LM49350RL 制造商:Texas Instruments 功能描述:Audio Codec 1ADC / 1DAC 36-Pin uSMD T/R 制造商:Texas Instruments 功能描述:AUDIO CODEC SUBSYSTEM 36MICRO SMDXT
LM49350RL/NOPB 功能描述:接口—CODEC Hi Perf Audio Codec Subsystem RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉(zhuǎn)換速率:48 kSPs 接口類型:I2C ADC 數(shù)量:2 DAC 數(shù)量:4 工作電源電壓:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel
LM49350RL/NOPB 制造商:Texas Instruments 功能描述:Audio Codec IC
LM49350RLEVAL 功能描述:音頻 IC 開發(fā)工具 LM49350RL EVAL BOARD RoHS:否 制造商:Texas Instruments 產(chǎn)品:Evaluation Kits 類型:Audio Amplifiers 工具用于評(píng)估:TAS5614L 工作電源電壓:12 V to 38 V
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