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參數(shù)資料
| 型號(hào)： | LM4913MM |
| 廠商： | National Semiconductor Corporation |
| 元件分類： | 音頻放大器 |
| 英文描述： | 2W Monaural, 90mW Stereo Headphone Audio Amplifier |
| 中文描述： | 2W的單聲道，立體聲耳機(jī)90兆瓦音頻放大器 |
| 文件頁(yè)數(shù)： | 4/15頁(yè) |
| 文件大?。?/td> | 767K |
| 代理商： | LM4913MM |
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Electrical Characteristics: Bridged-Mode Operation (V
DD
= 5V)
The following specifications apply for the circuit shown in Figure 1, R
L
= 4
, and a measurement bandwidth of 20Hz to
80kHz, unless otherwise specified. Limits apply for T
A
= 25C.
(Notes 4, 9)
Symbol
Parameter
Conditions
LM4913
Units
(Limits)
Typical
(Note 9)
Limit
(Notes 10,
11)
P
O
Output Power (Note 11)
THD = 0.3% (max); f = 1kHz
R
L
= 4
(Note 12)
R
L
= 4
, P
O
= 1.5W, f = 1kHz
C
B
= 0.47μF, 20Hz
<
f
<
20kHz
2
W
THD+N
V
ON
Total Harmonic Distortion + Noise
Output Voltage Noise
0.2
21
%
μV
RMS
Electrical Characteristics: SE Operation (V
DD
= 5V)
The following specifications apply for the circuit shown in Figure 1, R
L
= 4
, and a measurement bandwidth of 20Hz to
80kHz, unless otherwise specified. Limits apply for T
A
= 25C.
(Notes 4, 9)
Symbol
Parameter
Conditions
LM4913
Units
(Limits)
Typical
(Note 9)
Limit
(Notes 10,
11)
P
O
Output Power (Note 11)
THD+N = 0.1%, f = 1kHz, R
L
=
32
f = 1kHz
R
L
=32
, P
O
= 70mW
C
B
= 0.47μF, 20Hz
<
f
<
20kHz
90
mW
THD+N
Total Harmonic Distortion + Noise
0.2
%
%
V
ON
Output Voltage Noise
12
μV
RMS
Electrical Characteristics for Entire Amplifier (V
DD
= 3V)
The following specifications apply for the circuit shown in Figure 1 unless otherwise specified. Limits apply for T
A
= 25C.
(Notes 4, 9)
Symbol
Parameter
Conditions
LM4913
Units
(Limits)
Typical
(Note 9)
Limit
(Notes 10,
11)
2.7
5.5
7
4
V
DD
Supply Voltage
V (min)
V (max)
mA (max)
μA (max)
I
DD
I
SD
Quiescent Power Supply Current
Shutdown Quiescent Power Supply
Current
Output Offset Voltage
V
IN
= 0V, I
O
= 0A, No Load
V
SHUTDOWN
= GND
3
1
V
OS
7
30
mV (max)
PSRR
Power Supply Rejection Ratio
V
DD
= 3V, C
BYPASS
= 0.47μF,
V
ripple
= 200mVp-p 1kHz sine wave
BTL, R
L
= 8
BTL, SE, R
L
= 32
58
60
dB
dB
HP-S
VIH
HP-SENSE Logic-High Threshold
Voltage
HP-SENSE Logic-Low Threshold
Voltage
Shutdown Logic High Threshold
Shutdown Logic LowThreshold
2.7
V (min)
HP-S
VIL
1.65
V (max)
SD
VIH
SD
VIL
2
V (min)
V (max)
0.8
L
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PDF描述 |
|---|---|
| LM4917 | Ground-Referenced, 95mW Stereo Headphone Amplifier |
| LM4917MT | Ground-Referenced, 95mW Stereo Headphone Amplifier |
| LM4917SD | Ground-Referenced, 95mW Stereo Headphone Amplifier |
| LM4918 | Stereo Audio Amp with AGC Control |
| LM4918LQ | Stereo Audio Amp with AGC Control |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM4914 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:1W Monaural, 85mW Stereo Headphone Audio Amplifier |
| LM4914A WAF | 制造商:Texas Instruments 功能描述: |
| LM4914MH | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:1W Monaural, 85mW Stereo Headphone Audio Amplifier |
| LM4914MH/NOPB | 制造商:Texas Instruments 功能描述:Audio Amp Headphone/Speaker 1-CH Mono/2-CH Stereo 1W Class-AB 10-Pin TSSOP EP T/R |
| LM4915 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Pseudo-Differential Mono Headphone Amplifier with Fixed 6dB Gain |
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