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參數(shù)資料
| 型號(hào)： | LM4953 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | Ground-Referenced, Ultra Low Noise, Ceramic Speaker Driver |
| 中文描述： | 地為參考，超低噪音，陶瓷揚(yáng)聲器驅(qū)動(dòng)器 |
| 文件頁(yè)數(shù)： | 3/11頁(yè) |
| 文件大小： | 663K |
| 代理商： | LM4953 |
Absolute Maximum Ratings
(Notes 1, 2)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Supply Voltage (V
DD
)
Storage Temperature
Input Voltage
Power Dissipation (Note 3)
ESD Susceptibility (Note 4)
ESD Susceptibility (Note 5)
4.5V
65C to +150C
-0.3V to V
DD
+ 0.3V
Internally Limited
2000V
200V
Junction Temperature
Thermal Resistance
See AN-1187 ’Leadless Leadframe Packaging (LLP).’
150C
Operating Ratings
Temperature Range
T
MIN
≤
T
A
≤
T
MAX
Supply Voltage (V
DD
)
40C
≤
T
A
≤
85C
1.6V
≤
V
DD
≤
4.2V
Electrical Characteristics V
DD
= 3.6V
The following specifications apply for V
DD
= 3.6V, A
V-BTL
= 6dB, Z
L
= 2μF+30
unless otherwise specified. Limits apply to T
A
=
25C. See Figure 1.
Symbol
Parameter
Conditions
LM4953
Units (Limits)
Typ
(Note 6)
Limit
(Notes 7, 8)
I
DD
Quiescent Power Supply
Current
Quiescent Power Supply
Current Auto Standby Mode
Shutdown Current
V
IN
= 0, R
LOAD
= 2μF+30
8
TBD
mA (max)
I
standby
V
IN
= 0, Z
LOAD
= 2μF+30
2.7
mA
I
SD
V
SD
= GND
SD1
SD2
SD1
SD2
0.1
1
μA (max)
V (min)
V
SDIH
Shutdown Voltage Input High
0.7*CPVdd
V
SDIL
Shutdown Voltage Input Low
0.3*CPVdd
V (max)
T
WU
V
OS
Wake-up Time
Output Offset Voltage
125
1
μsec
10
mV (max)
V
OUT
Output Voltage Swing
THD = 1% (max); f = 1kHz
R
L
= 2μF+30
, Mono BTL
12.6
Vpp
THD+N
Total Harmonic Distortion +
Noise
Output Noise
V
OUT
= 6Vp-p, f
IN
= 1kHz
0.02
%
∈
OS
A-Weighted Filter, V
IN
= 0V
V
RIPPLE
= 200mVp-p, f = 217Hz,
Input Referred
V
RIPPLE
= 200mVp-p, f = 1kHz,
Input Referred
Z
L
= 2μF+30
, V
OUT
= 6Vp-p
15
μV
PSRR
Power Supply Rejection
Ratio
67
dB
65
dB
SNR
Signal-to-Noise Ratio
105
dB
Electrical Characteristics V
DD
= 3.0V
The following specifications apply for V
DD
= 3.0V, A
V-BTL
= 6dB, Z
L
= 2μF+30
unless otherwise specified. Limits apply to T
A
=
25C. See Figure 1.
Symbol
Parameter
Conditions
LM4953
Units (Limits)
Typ
(Note 6)
Limit
(Notes 7, 8)
I
DD
Quiescent Power Supply
Current
Quiescent Power Supply
Current Auto Standby Mode
Shutdown Current
V
IN
= 0, Z
LOAD
= 2μF+30
7
10
mA (max)
I
standby
V
IN
= 0, Z
LOAD
= 2μF+30
2.3
mA
I
SD
V
SD-LC
= V
SD-RC
= GND
SD1
SD2
0.1
1
μA (max)
V (min)
V
SDIH
Shutdown Voltage Input High
0.7*CPVdd
L
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3
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM4953SD | 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 |
| LM4953SD/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 |
| LM4953SDBD | 功能描述:BOARD EVALUATION LM4953SD RoHS:否 類別:編程器，開發(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:- |
| LM4953SDBD/NOPB | 功能描述:音頻 IC 開發(fā)工具 LM4953SD EVAL BRD RoHS:否 制造商:Texas Instruments 產(chǎn)品:Evaluation Kits 類型:Audio Amplifiers 工具用于評(píng)估:TAS5614L 工作電源電壓:12 V to 38 V |
| LM4953SDX | 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 |
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