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參數(shù)資料
| 型號： | LM4832MX |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 音頻控制 |
| 英文描述： | Digitally Controlled Tone and Volume Circuit with Stereo Audio Power Amplifier, Microphone Preamp Stage and National 3D Sound |
| 中文描述： | 2 CHANNEL(S), TONE CONTROL CIRCUIT, PDSO28 |
| 封裝： | SOIC-28 |
| 文件頁數(shù)： | 3/22頁 |
| 文件大?。?/td> | 688K |
| 代理商： | LM4832MX |
Electrical Characteristics for Entire IC
(Notes 1, 2) (Continued)
The following specifications apply for V
DD
= 5V unless otherwise noted. Limits apply for T
A
= 25C.
Symbol
Parameter
Conditions
LM4832
Units
(Limits)
Typical
(Note 6)
Limit
(Note 7)
AUDIO PATH
P
O
Output Power
THD = 1.0% (max), f = 1 kHz, All
controls at 0dB
R
L
= 8
R
L
= 32
All Controls at 0 dB, THD = 10%, f = 1
kHz
R
L
= 8
P
O
= 200 mW, R
L
= 8
P
O
= 75 mW, R
L
= 32
V
O
= 1 Vrms, R
L
= 10
C
B
= 1 μF, f = 100 Hz, V
RIPPLE
= 100
mVrms, All Controls at 0 dB Setting
f = 1 kHz, V
IN
= 1V
P
O
= 200 mW, R
L
= 8
,
All controls at 0 dB setting,
f = 1 kHz
Left to Right
Right to Left
250
95
mW (min)
mW (min)
75
THD+N
Total Harmonic Distortion+Noise
350
0.15
0.11
0.08
45
mW
%
%
%
dB
PSRR
Power Supply Rejection Ratio
A
M
X
TALK
Mute Attenuation
Cross Talk
75
dB
85
72
dB
dB
MICROPHONE PREAMP AND VOLUME CONTROL
A
V
Preamp Gain
0 dB Gain
+20 dB Gain
+30 dB Gain
Gain at +18 dB Setting
Attenuation at 42 dB Setting
0 dB to 42 dB
0
1, 1
19, 21
29, 31
20
43
dB
dB
dB
20
30
A
R
Attenuator Range
dB (max)
dB (min)
dB
dB (max)
V
rms
μV (min)
dB
A
S
Step Size
Step Size Error
Output Voltage Swing
Input Referred Noise
Power Supply Rejection Ratio
3
0.4
1.7
7
35
V
SWING
E
NO
PSRR
f = 1 kHz, THD
<
1.0%, R
L
= 1 k
A-Weighted, Attenuator at 0 dB
f = 100 Hz, V
RIPPLE
= 100 mVrms,
C
B
= 1 μF
A
M
X
TALK
THD+N
Mute Attenuation
Cross Talk
Total Harmonic Distortion Plus Noise
90
90
dB
dB
Power Amp P
O
= 200 mW, f = 1 kHz
All controls at 0 dB, f = 1 kHz, V
O
= 1V
0 dB Setting
+20 dB Gain
+30 dB Gain
0.03
0.03
0.04
%
%
%
I
2
C BUS TIMING
f
MAX
T
START:HOLD
Maximum Bus Frequency
Start Signal: Hold Time before
Clock/Data Transitions
Data Setup Time
Minimum High Clock Duration
Minimum Low Clock Duration
Stop Signal: Setup Time before
Clock/Data Transitions
I
2
C BUS INPUT AND OUTPUT
V
IL
Input Low Voltage
400
0.6
kHz
μs
T
D;SETUP
T
C;HIGH
T
C;LOW
T
STOP;SETUP
0.1
0.6
1.3
0.6
μs
μs
μs
μs
1.5
V (max)
3
www.national.com
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| LM4832MX/NOPB | 功能描述:IC AMP AUDIO PWR .25W AB 28SOIC RoHS:是 類別:集成電路 (IC) >> 線性 - 音頻放大器 系列:Boomer® 產(chǎn)品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:2,500 系列:DirectDrive® 類型:H 類 輸出類型:耳機，2-通道（立體聲） 在某負載時最大輸出功率 x 通道數(shù)量:35mW x 2 @ 16 歐姆 電源電壓:1.62 V ~ 1.98 V 特點:I²C，麥克風，靜音，短路保護，音量控制 安裝類型:表面貼裝 供應商設備封裝:25-WLP（2.09x2.09） 封裝/外殼:25-WFBGA，WLCSP 包裝:帶卷 (TR) |
| LM4832N | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Digitally Controlled Tone and Volume Circuit with Stereo Audio Power Amplifier, Microphone Preamp Stage and National 3D Sound |
| LM4832N/NOPB | 功能描述:IC AMP AUDIO PWR .25W STER 28DIP RoHS:是 類別:集成電路 (IC) >> 線性 - 音頻放大器 系列:Boomer® 產(chǎn)品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:2,500 系列:DirectDrive® 類型:H 類 輸出類型:耳機，2-通道（立體聲） 在某負載時最大輸出功率 x 通道數(shù)量:35mW x 2 @ 16 歐姆 電源電壓:1.62 V ~ 1.98 V 特點:I²C，麥克風，靜音，短路保護，音量控制 安裝類型:表面貼裝 供應商設備封裝:25-WLP（2.09x2.09） 封裝/外殼:25-WFBGA，WLCSP 包裝:帶卷 (TR) |
| LM4834 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:1.75W Audio Power Amplifier with DC Volume Control and Microphone Preamp |
| LM4834A E WAF | 制造商:Texas Instruments 功能描述: |
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