參數(shù)資料
型號： LM4780
廠商： National Semiconductor Corporation
英文描述： Audio Power Amplifier Series Stereo 60W, Mono 120W Audio Power Amplifier with Mute
中文描述： 音頻功率放大器系列立體聲60瓦，120瓦單聲道音頻功率放大器與靜音
文件頁數(shù)： 3/24頁
文件大小： 1030K
代理商： LM4780
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
+
| + |V
-
|
(No Signal)
Supply Voltage |V
+
| + |V
-
|
(Input Signal)
Common Mode Input Voltage
94V
84V
(V
+
or V
-
) and
|V
+
| + |V
-
|
≤
80V
Differential Input Voltage (Note 13)
Output Current
Power Dissipation (Note 3)
ESD Susceptability (Note 4)
ESD Susceptability (Note 5)
Junction Temperature (T
JMAX
) (Note 9)
60V
Internally Limited
125W
3.0kV
200V
150C
Soldering Information
TA Package (10 seconds)
Storage Temperature
Thermal Resistance
θ
JA
θ
JC
260C
-40C to +150C
30C/W
0.8C/W
Operating Ratings
(Notes 1, 2)
Temperature Range
T
MIN
≤
T
A
≤
T
MAX
Supply Voltage |V
+
| + |V
-
|
20C
≤
T
A
≤
+85C
20V
≤
V
TOTAL
≤
84V
Note:
Operation is guaranteed up to 84V; however, distor-
tion may be introduced from
SPiKe
protection circuitry if
proper thermal considerations are not taken into account.
Refer to the
Thermal Considerations
section for more
information.
Electrical Characteristics
(Notes 1, 2)
The following specifications apply for V
+
= +35V, V
-
= 35V, I
MUTE
= -1mA and R
L
= 8
unless otherwise specified. Limits ap-
ply for T
A
= 25C.
Symbol
Parameter
Conditions
LM4780
Units
(Limits)
Typical
(Note 6)
18
Limit
(Notes 7, 8)
20
84
80
|V
+
| + |V
-
|
Power Supply Voltage (Note
10)
Mute Attenuation
GND V
-
≥
9V
V (min)
V (max)
dB (min)
A
M
I
MUTE
= 0mA
THD+N = 0.5% (max)
f = 1kHz; f = 20kHz
|V
+
| = |V
-
| = 25V, R
L
= 4
|V
+
| = |V
-
| = 30V, R
L
= 6
|V
+
| = |V
-
| = 35V, R
L
= 8
P
O
= 30W, f = 20Hz - 20kHz
A
V
= 26dB
|V
+
| = |V
-
| = 25V, R
L
= 4
|V
+
| = |V
-
| = 30V, R
L
= 6
|V
+
| = |V
-
| = 35V, R
L
= 8
P
O
= 10W, f = 1kHz
P
O
= 10W, f = 10kHz
V
IN
= 2.0V
P-P
, t
RISE
= 2ns
V
CM
= 0V,
V
O
= 0V, I
O
= 0A
V
CM
= 0V, I
O
= 0mA
V
CM
= 0V, I
O
= 0mA
|V
+
| = |V
-
| = 20V, t
ON
= 10ms
|V
+
- V
O
|, V
+
= 28V, I
O
= +100mA
|V
-
- V
O
|, V
-
= -28V, I
O
= -100mA
V
+
= 40V to 20V, V
-
= -40V,
V
CM
= 0V, I
O
= 0mA
V
+
= 40V, V
-
= -40V to -20V,
V
CM
= 0V, I
O
= 0mA
V
+
= 60V to 20V, V
-
= -20V to -60V,
V
CM
= 20V to -20V, I
O
= 0mA
110
P
O
Output Power (RMS)
55
55
60
50
50
50
W (min)
W (min)
W (min)
THD+N
Total Harmonic Distortion +
Noise
0.07
0.05
0.03
70
72
19
110
%
%
%
dB
dB
X
talk
Channel Separation (Note 11)
SR
I
DD
Slew Rate
Total Quiescent Power
Supply Current
Input Offset Voltage
Input Bias Current
Output Current Limit
Output Dropout Voltage
(Note 12)
8
V/μs (min)
mA (max)
170
V
OS
I
B
I
O
V
OD
1
10
1
7
2.0
3.0
mV (max)
μA (max)
A (min)
V (max)
V (max)
0.2
11.5
1.6
2.5
PSRR
Power Supply Rejection Ratio
(Note 15)
120
85
dB (min)
105
85
dB (min)
CMRR
Common Mode Rejection Ratio
(Note 15)
110
85
dB (min)
L
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LM4780TA 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
LM4780TA 制造商:Texas Instruments 功能描述:IC AMP 120W MONO/60W STEREO 4780
LM4780TA/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
LM4780TABD 功能描述:音頻 IC 開發(fā)工具 LM4780 EVAL BOARD RoHS:否 制造商:Texas Instruments 產(chǎn)品:Evaluation Kits 類型:Audio Amplifiers 工具用于評估:TAS5614L 工作電源電壓:12 V to 38 V
LM4780TABD/NOPB 功能描述:BOARD EVAL FOR LM4780A RoHS:是 類別:編程器，開發(fā)系統(tǒng) >> 評估板 - 音頻放大器 系列:Overture™ 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:-
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