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參數(shù)資料
| 型號： | LM4865 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | 750 mW Audio Power Amplifier with DC Volume Control and Headphone Switch |
| 中文描述： | 750毫瓦音頻功率放大器直流音量控制和耳機(jī)開關(guān) |
| 文件頁數(shù)： | 2/9頁 |
| 文件大小： | 340K |
| 代理商： | LM4865 |
Absolute Maximum Ratings
(Note 2)
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 3)
ESD Susceptibility (Note 4)
ESD Susceptibility (Note 5)
Junction Temperature
6.0V
65C to +150C
0.3V to V
DD
+0.3V
Internally Limited
2000V
200V
150C
Soldering Information
Vapor Phase (60 sec.)
Infrared (15 sec.)
Thermal Resistance
θ
JC
(SOP)
θ
JA
(SOP)
θ
JC
(MSOP)
θ
JA
(MSOP)
215C
220C
35C/W
150C/W
56C/W
190C/W
Operating Ratings
Temperature Range
T
MIN
≤
T
A
≤
T
MAX
Supply Voltage
See AN-450 “Surface Mounting and their Effects on Product
Reliability” for other methods of soldering surface mount
devices.
40C
≤
T
A
≤
+85C
2.7V
≤
V
DD
≤
5.5V
Electrical Characteristics
(Notes 1, 2)
he following specifications apply for V
DD
= 5V, unless otherwise specified. Limits apply for T
A
= 25C.
Symbol
Parameter
Conditions
LM4865
Units
(Limits)
Typical
(Note 6)
Limit
(Note 7)
2.7
5.5
7
6
V
DD
Supply Voltage
V (min)
V (max)
mA (max)
mA (max)
μA
mV (max)
mW
(max)
I
DD
Quiescent Power Supply
Current
V
IN
= 0V, I
O
= 0A, HP Sense = 0V
V
IN
= 0V, I
O
- 0A, HP Sense = 5V
V
PIN4
≤
0.3V
V
IN
= 0V
THD = 1% (max), HP Sense
<
0.8V, f = 1 kHz,
R
L
= 8
THD = 10% (max), HP Sense
<
0.8V,
f = 1 kHz, R
L
= 8
THD + N = 1%, HP Sense
>
4V, f = 1 kHz,
R
L
= 32
THD = 10%, HP Sense
>
4V, f = 1 kHz,
R
L
= 32
P
O
= 300 mWrms, f = 20 Hz–20 kHz, R
L
= 8
4
3.5
0.7
5
I
SD
V
OS
P
O
Shutdown Current
Output Offset Voltage
Output Power
50
750
500
1.0
W
80
mW
110
mW
THD+N
Total Harmonic Distortion +
Noise
Power Supply Rejection Ratio
0.6
%
PSSR
V
RIPPLE
= 200 mVrms, R
L
= 8
, C
B
= 1.0 μF,
f = 1 kHz
Gain with V
PIN4
≥
4.0V, (80% of V
DD
)
Attenuation with V
PIN4
≤
0.9V, (20% of V
DD
)
50
dB
C
RANGE
Attenuator Range-Single Ended
20
72
18.8
70
4
0.8
dB (min)
dB (min)
V (max)
V (min)
V
IH
V
IL
HP Sense High Input Voltage
HP Sense Low Input Voltage
Note 1:
All voltages are measured with respect to the ground pin, unless otherwise specified.
Note 2:
“Absolute Maximum Ratings” indicate limits beyond which damage to the device may occur. “Operating Ratings” indicate conditions for which the device is
functional, but do not guarantee specific performance limits. “Electrical Characteristics”state DC andAC electrical specifications under particular test conditions which
guarantee specific performance limits. This assumes that the device is within the Operating Ratings. Specifications are not guaranteed for parameters where no limit
is given, however, the typical value is a good indication of device performance.
Note 3:
The maximum power dissipation must be derated at elevated temperatures and is dictated by T
,
θ
, and the ambient temperature T
. The maximum
allowable power dissipation is P
DMAX
= (T
JMAX
T
A
)/
θ
JA
or the number given in the Absolute Maximum Ratings, whichever is lower. For the LM4865M, T
JMAX
=
150C.
Note 4:
Human body model, 100 pF discharged through a 1.5 k
resistor.
Note 5:
Machine Model, 220 pF–240 pF discharged through all pins.
Note 6:
Typicals are measured at 25C and represent the parametric norm.
Note 7:
Limits are guaranteed to National’s AOQL (Average Outgoing Quality Level).
Note 8:
The quiescent power supply current depends on the offset voltage when a practical load is connected to the amplifier.
L
www.national.com
2
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| LM4865IBP | 制造商:Texas Instruments 功能描述: |
| LM4865IBP/NOPB | 功能描述:IC AMP AUDIO PWR 1W MONO 8USMD RoHS:是 類別:集成電路 (IC) >> 線性 - 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:2,500 系列:DirectDrive® 類型:H 類 輸出類型:耳機(jī)，2-通道（立體聲） 在某負(fù)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(fēng)，靜音，短路保護(hù)，音量控制 安裝類型:表面貼裝 供應(yīng)商設(shè)備封裝:25-WLP（2.09x2.09） 封裝/外殼:25-WFBGA，WLCSP 包裝:帶卷 (TR) |
| LM4865IBPX | 功能描述:IC AMP AUDIO PWR 1W MONO 8USMD RoHS:是 類別:集成電路 (IC) >> 線性 - 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:2,500 系列:DirectDrive® 類型:H 類 輸出類型:耳機(jī)，2-通道（立體聲） 在某負(fù)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(fēng)，靜音，短路保護(hù)，音量控制 安裝類型:表面貼裝 供應(yīng)商設(shè)備封裝:25-WLP（2.09x2.09） 封裝/外殼:25-WFBGA，WLCSP 包裝:帶卷 (TR) |
| LM4865M | 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 |
| LM4865M | 制造商:Texas Instruments 功能描述:AMP AUDIO/VOLT CONTROL 0.75W 4865 |
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