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參數資料
| 型號： | LM4895 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | 1 Watt Fully Differential Audio Power Amplifier With Shutdown Select and Fixed 6dB Gain |
| 中文描述： | 1瓦特全差分音頻功率放大器，具有關斷選擇并固定6dB增益 |
| 文件頁數： | 3/15頁 |
| 文件大小： | 682K |
| 代理商： | LM4895 |
Absolute Maximum Ratings
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
(Note 2)
Supply Voltage
Storage Temperature
Input Voltage
Power Dissipation (Note 3)
ESD Susceptibility (Note 4)
ESD Susceptibility (Note 5)
Junction Temperature
Thermal Resistance
θ
JC
(LD)
θ
JA
(LD)
θ
JA
(micro SMD)
6.0V
65C to +150C
0.3V to V
DD
+0.3V
Internally Limited
2000V
200V
150C
12C/W
63C/W
220C/W
θ
JC
(MSOP)
θ
JA
(MSOP)
Soldering Information
See AN-1112 ’microSMD Wafers Level Chip Scale
Package’.
See AN-1187 ’Leadless
Leadframe Package (LLP)’.
56C/W
190C/W
Operating Ratings
Temperature Range
T
MIN
≤
T
A
≤
T
MAX
Supply Voltage
40C
≤
T
A
≤
85C
2.2V
≤
V
DD
≤
5.5V
Electrical Characteristics V
DD
= 5V
The following specifications apply for V
DD
= 5V and 8
load unless otherwise specified. Limits apply for T
A
= 25C.
(Notes 1, 2, 8)
Symbol
Parameter
Conditions
LM4895
Units
(Limits)
Typical
(Note 6)
4
0.1
Limit
(Note 7)
8
1
I
DD
I
SD
Quiescent Power Supply Current
Shutdown Current
V
IN
= 0V, I
o
= 0A
V
shutdown
= GND
THD = 1% (max); f = 1 kHz
LM4895LD, R
L
= 4
(Note 11)
LM4895, R
L
= 8
P
o
= 0.4 Wrms; f = 1kHz
V
ripple
= 200mV sine p-p
f = 217Hz (Note 9)
f =1kHz (Note 9)
f = 217Hz (Note 10)
f =1kHz (Note 10)
f =217Hz
mA (max)
μA (max)
P
o
Output Power
1.4
1
0.1
W (min)
0.850
THD+N
Total Harmonic Distortion+Noise
%
PSRR
Power Supply Rejection Ratio
84
80
80
77
50
dB (min)
60
CMRR
Common-Mode Rejection Ratio
dB
Electrical Characteristics V
DD
= 3V
The following specifications apply for V
DD
= 3V and 8
load unless otherwise specified. Limits apply for T
A
= 25C.
(Notes 1, 2, 8)
Symbol
Parameter
Conditions
LM4895
Units
(Limits)
Typical
(Note 6)
3.5
0.1
0.35
0.325
Limit
(Note 7)
6
1
I
DD
I
SD
P
o
THD+N
Quiescent Power Supply Current
Shutdown Current
Output Power
Total Harmonic Distortion+Noise
V
IN
= 0V, I
o
= 0A
V
shutdown
= GND
THD = 1% (max); f = 1kHz
P
o
= 0.25Wrms; f = 1kHz
V
ripple
= 200mV sine p-p
f = 217Hz (Note 9)
f = 1kHz (Note 9)
f = 217Hz (Note 10)
f = 1kHz (Note 10)
f = 217Hz
mA (max)
μA (max)
W
%
PSRR
Power Supply Rejection Ratio
84
80
77
75
49
dB
CMRR
Common-Mode Rejection Ratio
dB
Note 1:
All voltages are measured with respect to the ground pin, unless otherwise specified.
L
www.national.com
3
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相關代理商/技術參數 |
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|---|---|
| LM4895A E WAF | 制造商:Texas Instruments 功能描述: |
| LM4895IBP | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:1 Watt Fully Differential Audio Power Amplifier With Shutdown Select and Fixed 6dB Gain |
| LM4895IBP/NOPB | 功能描述:IC AMP AUDIO PWR 1.4W MONO 9USMD RoHS:是 類別:集成電路 (IC) >> 線性 - 音頻放大器 系列:Boomer® 產品培訓模塊: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) |
| LM4895IBPX | 制造商:Rochester Electronics LLC 功能描述: 制造商:Texas Instruments 功能描述: |
| LM4895ITP | 功能描述:IC AMP AUDIO PWR 1.4W MONO 9USMD RoHS:是 類別:集成電路 (IC) >> 線性 - 音頻放大器 系列:Boomer® 產品培訓模塊: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) |
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