參數(shù)資料
型號(hào)： LM4925SD
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類： 音頻／視頻放大
英文描述： Single Audio Amplifier
中文描述： 0.04 W, 2 CHANNEL, AUDIO AMPLIFIER, DSO10
封裝： LLP-10
文件頁(yè)數(shù)： 4/15頁(yè)
文件大?。?/td> 1046K
代理商： LM4925SD
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
Storage Temperature
Input Voltage
Power Dissipation (Note 2)
ESD Susceptibility(Note 3)
ESD Susceptibility (Note 4)
Junction Temperature
Solder Information
Small Outline Package Vapor
Phase (60sec)
3.8V
65C to +150C
0.3V to V
DD
+0.3V
Internally limited
2000V
200V
150C
215C
Infrared (15 sec)
See AN-450 “Surface Mounting and their Effects on
Product Reliablilty” for other methods of soldering
surface mount devices.
Thermal Resistance
θ
JA
(typ) MUB10A
θ
JA
(typ) LDA10A
220C
175C/W
73C/W
Operating Ratings
Temperature Range
T
MIN
≤
T
A
≤
T
MAX
Supply Voltage
40C
≤
T
A
≤
+85C
1.5V
≤
V
DD
≤
3.6V
Electrical Characteristics V
DD
= 3.0V
(Notes 1, 5)
The following specifications apply for the circuit shown in Figure 2 for Single Ended Outputs (A
V
= 2.5V) and Figure 3
for BTL Outputs (A
V-BTL
= 2), unless otherwise specified. Limits apply for T
A
= 25C.
Symbol
Parameter
Conditions
LM4925
Units
(Limits)
Typical
(Note 6)
1.0
0.1
2
Limit
(Note 7)
1.6
1
10
I
DD
I
SD
V
OS
Quiescent Power Supply Current
Shutdown Current
Output Offset Voltage
V
IN
= 0V, I
O
= 0A, R
L
=
∞
(Note 8)
V
SHUTDOWN
= GND
mA (max)
μA (max)
mV (max)
P
O
Output Power (Note 9)
R
L
= 8
, BTL, Fig. 3,
THD+N = 1%, f = 1kHz
R
L
= 16
, Fig. 2, SE per Channel,
THD+N = 1%, f = 1kHz
R
L
= 8
, BTL, P
O
= 300mW,
Fig. 3, f = 1kHz
R
L
= 16
, SE, P
O
= 20mW per channel,
Fig.2, f = 1kHz
20Hz to 20kHz, A-weighted,
Input Referred,
Single Ended Output, Fig. 2
R
L
= 16
, Fig. 2
V
RIPPLE
= 200mV
P-P
sine wave
C
BYPASS
= 4.7μF, R
L
= 8
f = 100Hz, BTL, Fig. 3
V
RIPPLE
= 200mV
P-P
sine wave
C
BYPASS
= 4.7μF, R
L
= 16
f = 100Hz, SE, Fig. 2
1.5V
≤
V
DD
≤
3.6V
1.5V
≤
V
DD
≤
3.6V
1V
PP
Reference,
R
i
= 20k, R
f
= 50k
410
350
mW (min)
40
30
mW (min)
THD+N
Total Harmonic Distortion + Noise
0.1
0.5
% (max)
0.05
V
NO
Output Voltage Noise
10
μV
RMS
Crosstalk
58
dB
PSRR
Power Supply Rejection Ratio
70
dB
68
dB
V
IH
V
IL
Mute
Attenuation
Control Logic High
Control Logic Low
0.7V
DD
0.3V
DD
70
V (min)
V (max)
dB (min)
L
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LM4925SD/NOPB 功能描述:音頻放大器 RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
LM4925SDBD 功能描述:BOARD EVALUATION LM4925SD RoHS:否 類別:編程器，開(kāi)發(fā)系統(tǒng) >> 評(píng)估板 - 音頻放大器 系列:Boomer® 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:-
LM4925SDX 功能描述:音頻放大器 RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
LM4925SDX/NOPB 功能描述:音頻放大器 RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
LM4926 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Ground-Referenced, Ultra Low Noise, Fixed Gain, 80mW Stereo Headphone Amplifier
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