參數(shù)資料
型號： LM4546AVH/NOPB
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類： 消費家電
英文描述： SPECIALTY CONSUMER CIRCUIT, PQFP48
封裝： 7 X 7 MM, 1.40 MM HEIGHT, LQFP-48
文件頁數(shù)： 21/27頁
文件大?。?/td> 897K
代理商： LM4546AVH/NOPB
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
6.0V
Storage Temperature
65C to +150C
Input Voltage
0.3V to V
DD +0.3V
ESD Susceptibility (Note 2)
2000V
pin 3
750V
ESD Susceptibility (Note 3)
200V
pin 3
100V
Junction Temperature
150C
Soldering Information
LQFP Package
Vapor Phase (60 sec.)
215C
Infrared (15 sec.)
220C
θ
JA (typ) – VBH48A
74C/W
Operating Ratings
Temperature Range
T
MIN
≤ T
A
≤ T
40C
≤ T
A
≤ 85C
Analog Supply Range
4.2V
≤ AV
DD
≤ 5.5V
Digital Supply Range
3.0V
≤ DV
DD
≤ 5.5V
Electrical Characteristics (Notes 1, 5) The following specifications apply for AV
DD = 5V, DVDD = 5V, Sam-
pling Frequency (Fs) = 48 kHz, single codec configuration, unless otherwise noted. Limits apply for T
A= 25C. The reference
for 0 dB is 1 Vrms unless otherwise specified.
Symbol
Parameter
Conditions
LM4546A
Units
(Limits)
Typical
Limit
AV
DD
Analog Supply Range
4.2
V (min)
5.5
V (max)
DV
DD
Digital Supply Range
3.0
V (min)
5.5
V (max)
D
IDD
Digital Quiescent Power Supply
Current
DV
DD = 5 V
43
mA
DV
DD = 3.3 V
20
mA
A
IDD
Analog Quiescent Power Supply
Current
53
mA
I
DSD
Digital Shutdown Current
500
A
I
ASD
Analog Shutdown Current
30
A
V
REF
Reference Voltage
2.23
V
PSRR
Power Supply Rejection Ratio
40
dB
Analog Loopthrough Mode (Note 8)
Dynamic Range (Note 9)
CD Input to Line Output, -60 dB Input
THD+N, A-Weighted
97
90
dB (min)
THD
Total Harmonic Distortion
V
O =-3dB,f=1 kHz, RL =10k
0.01
0.02
% (max)
Analog Input Section
V
IN
Line Input Voltage
LINE_IN, AUX, CD, VIDEO, PC_BEEP,
PHONE
1
Vrms
V
IN
Mic Input with 20 dB Gain
0.1
Vrms
V
IN
Mic Input with 0 dB Gain
1
Vrms
Xtalk
Crosstalk
CD Left to Right
-95
dB
Z
IN
Input Impedance (Note 9)
All Analog Inputs
40
10
k
(min)
C
IN
Input Capacitance
15
pF
Interchannel Gain Mismatch
CD Left to Right
0.01
dB
Record Gain Amplifier - ADC
A
S
Step Size
0 dB to 22.5 dB
1.5
dB
A
M
Mute Attenuation (Note 9)
86
dB
Mixer Section
A
S
Step Size
+12 dB to -34.5 dB
1.5
dB
A
M
Mute Attenuation
86
dB
LM4546A
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PDF描述
LM4546VHX SPECIALTY CONSUMER CIRCUIT, PQFP48
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相關代理商/技術參數(shù)
參數(shù)描述
LM4546AVHX 制造商:Rochester Electronics LLC 功能描述:AC97 REV2 CODEC 3D STEREO - Bulk
LM4546B 制造商:NSC 制造商全稱:National Semiconductor 功能描述:AC ’97 Rev 2 Multi-Channel Audio Codec with Sample Rate Conversion and National 3D Sound
LM4546BVH 功能描述:接口—CODEC RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉換速率: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 安裝風格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel
LM4546BVH /NOPB 制造商:Texas Instruments 功能描述:Audio Codec 2ADC / 2DAC 18-Bit 48-Pin LQFP Tray
LM4546BVH/NOPB 功能描述:接口—CODEC RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉換速率: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 安裝風格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel
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