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參數資料
| 型號： | LM4863MTE |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | Dual 2.2W Audio Amplifier Plus Stereo Headphone Function |
| 中文描述： | 3.2 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO20 |
| 封裝： | 6.50 X 4.40 MM, 0.90 MM HEIGHT, TSSOP-20 |
| 文件頁數： | 4/16頁 |
| 文件大小： | 513K |
| 代理商： | LM4863MTE |
Electrical Characteristics for Bridged-Mode Operation
(Notes 3, 4) (Continued)
The following specifications apply for V
DD
= 5V unless otherwise specified. Limits apply for T
A
= 25C.
Symbol
Parameter
Conditions
LM4863
Units
(Limits)
Typical
(Note
13)
90
98
Limit
(Note
14)
X
TALK
SNR
Channel Separation
Signal To Noise Ratio
f = 1 kHz, C
B
= 1.0 μF
V
DD
= 5V, P
O
= 1.1W, R
L
= 8
dB
dB
Electrical Characteristics for Single-Ended Operation
(Notes 3, 4)
The following specifications apply for V
DD
= 5V unless otherwise specified. Limits apply for T
A
= 25C.
Symbol
Parameter
Conditions
LM4863
Units
(Limits)
Typical
(Note
13)
5
85
340
440
0.2
Limit
(Note
14)
50
75
V
OS
P
O
Output Offset Voltage
Output Power
V
IN
= 0V
THD = 0.5%, f = 1 kHz, R
L
= 32
THD+N = 1%, f = 1 kHz, R
L
= 8
THD+N = 10%, f = 1 kHz, R
L
= 8
A
V
= 1, P
O
= 75 mW, 20 Hz
≤
f
≤
20 kHz,
R
L
= 32
C
= 1.0 μF, V
RIPPLE
= 200 mV
RMS
,
f = 1 kHz
f = 1 kHz, C
B
= 1.0 μF
V
DD
= 5V, P
O
= 340mW, R
L
= 8
mV (max)
mW (min)
mW
mW
%
THD+N
Total Harmonic Distortion+Noise
PSRR
Power Supply Rejection Ratio
52
dB
X
TALK
SNR
Channel Separation
Signal To Noise Ratio
60
95
dB
dB
Note 3:
All voltages are measured with respect to the ground pins, 2, 7, and 15, unless otherwise specified.
Note 4:
Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for which the device is func-
tional, but do not guarantee specific performance limits. Electrical Characteristics state DC andAC electrical specifications under particular test conditions which guar-
antee 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 5:
The
θ
JA
given is for an MXA20A package whose exposed-DAP is soldered to an exposed 2in
2
piece of 1 ounce printed circuit board copper.
Note 6:
The
θ
JA
given is for an MXA20A package whose exposed-DAP is not soldered to any copper.
Note 7:
When driving 3
loads from a 5V supply, the LM4863MTE must be mounted to the circuit board and forced-air cooled (450 linear-feet per minute).
Note 8:
When driving 4
loads from a 5V supply, the LM4863MTE must be mounted to the circuit board.
Note 9:
Output power is measured at the device terminals.
Note 10:
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
= (T
T
)/
θ
JA
. For the LM4863, T
JMAX
= 150C. For the
θ
JA
s for different packages, please see the Application Informa-
tion section or the Absolute Maximum Ratings section.
Note 11:
Human body model, 100 pF discharged through a 1.5 k
resistor.
Note 12:
Machine model, 220 pF–240 pF discharged through all pins.
Note 13:
Typicals are measured at 25C and represent the parametric norm.
Note 14:
Limits are guaranteed to National’s AOQL (Average Outgoing Quality Level).
Note 15:
The quiescent power supply current depends on the offset voltage when a practical load is connected to the amplifier.
Truth Table for Logic Inputs
SHUTDOWN
Low
Low
High
High
HP-IN
Low
High
Low
High
LM4863 MODE
Bridged
Single-Ended
LM4863 Shutdown
LM4863 Shutdown
L
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相關代理商/技術參數 |
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| LM4863MTE/NOPB | 功能描述:IC AMP AUDIO PWR 3.2W AB 20TSSOP 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) |
| LM4863MTEX/NOPB | 功能描述:IC AMP AUDIO PWR 3.2W AB 20TSSOP 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) |
| LM4863MTX/NOPB | 功能描述:IC AMP AUDIO PWR 3.2W AB 20TSSOP 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) |
| LM4863MX | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Engineering Project Manager |
| LM4863MX/NOPB | 功能描述:IC AMP AUDIO PWR 3.2W AB 16SOIC 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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