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参数资料
| 型号： | LMV1023URX |
| 厂商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分类： | 音频／视频放大 |
| 英文描述： | AUDIO PREAMPLIFIER, PBGA6 |
| 封装： | MICRO, SMD-6 |
| 文件页数： | 12/18页 |
| 文件大小： | 623K |
| 代理商： | LMV1023URX |
Absolute Maximum Ratings (Note 1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Supply Voltage
3.8V
ESD Rating (Note 4)
2000V
ESD Rating (Note 5)
200V
Storage Temperature Range
65°C to 150°C
Junction Temperature T
JMAX(Note 3)
150°C max
Mounting Temperature
Infrared or Convection (20 sec.)
235°C
Operating Ratings (Note 2)
Supply Voltage(Note 2)
1.6V to 3.6V
Input Clock Frequency
800kHz to 2.4MHz
Duty Cycle
40% to 60%
Operating Temperature Range
40°C to 85°C
1.8V Electrical Characteristics (Note 2)
Unless otherwise specified, all limits are guaranteed for T
J = 25°C, VDD = 1.8V, VIN = 18mVPP, fCLK = 1.2MHz, Duty Cycle = 50%
and 100nF capacitor between V
REF and GND.
Symbol
Parameter
Conditions
LMV1022/ LMV1023
Units
(Limits)
Typical
(Note 6)
Limit
SNR
Signal to Noise Ratio
f
IN = 1kHz, A-Weighted, output = -23.5dBFS
61
56
dB (min)
e
ND
Digital Noise floor of the ADC (Integrated ) Bandwidth = 10 kHz Non Weighted (Note 9)
-96
dBFS
e
NA
Noise Floor (Input Referred)
Electrical A-Weighted
5
V
RMS
Acoustic A-Weigthed (Note 10)
-32
dBSPL
DR
Dynamic range
85
80
dB (min)
THD
Total Harmonic Distortion
f
IN = 1kHz, VIN = 18mVPP
0.05
%
THD+N Total Harmonic Distortion and Noise
f
IN = 1kHz, VIN = 18mVPP A-Weighted
0.1
PSRR
Power Supply Rejection Ratio
V
IN = GND, Test Signal on VDD, 217Hz,
400mV
PP
Input referred.
87
dB
V
IN
Max Input Signal
f
IN = 1kHz, THD < 1%
150
mV
PP
Acoustic Overload Point
f
IN = 1kHz, THD < 10% (Note 10)
115
dBSPL
VD
OUT
Max Digital Output level
f
IN = 1kHz, THD < 1%
-5
dBFS
Acoustic Overload Point
f
IN = 1kHz, THD < 10% (Note 10)
-3
f
LOW
Lower -3dB Corner Frequency
F
CLK = 1.2MHz
17
Hz
F
CLK = 2.4MHz
33
Hz
C
IN
Input Capacitance
2
pF
R
IN
Input Impedance
V
IN = 0VDC
>1000
M
I
DD
Supply Current
V
IN = GND, CLK = ON, High Impedance Load
0.5
0.75
mA (max)
V
IN = GND, CLK = OFF, High Impedance Load
0.45
0.6
mA (max)
3
www.national.com
202124 Version 2 Revision 1
Print Date/Time: 2011/07/08 14:36:52
LMV1022/LMV1023
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相关代理商/技术参数 |
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| LMV1024 | 制造商:NSC 制造商全称:National Semiconductor 功能描述:PDM Output with Pre-Amplifier for Electret Microphones |
| LMV1024_09 | 制造商:NSC 制造商全称:National Semiconductor 功能描述:PDM Output with Pre-Amplifier for Electret Microphones |
| LMV1024UR | 制造商:NSC 制造商全称:National Semiconductor 功能描述:PDM Output with Pre-Amplifier for Electret Microphones |
| LMV1024UR/NOPB | 功能描述:IC PRE AMP MIC MONO AB ADC 6USMD RoHS:是 类别:集成电路 (IC) >> 线性 - 音頻放大器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:DirectDrive® 类型:H 类 输出类型:耳机，2-通道（立体声） 在某负载时最大输出功率 x 通道数量:35mW x 2 @ 16 欧姆 电源电压:1.62 V ~ 1.98 V 特点:I²C，麦克风，静音，短路保护，音量控制 安装类型:表面贴装 供应商设备封装:25-WLP（2.09x2.09） 封装/外壳:25-WFBGA，WLCSP 包装:带卷 (TR) |
| LMV1024URX | 制造商:NSC 制造商全称:National Semiconductor 功能描述:PDM Output with Pre-Amplifier for Electret Microphones |
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