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參數(shù)資料
| 型號： | LM4835MTE |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 音頻控制 |
| 英文描述： | Stereo 2W Audio Power Amplifiers with DC Volume Control and Selectable Gain |
| 中文描述： | 2 CHANNEL(S), VOLUME CONTROL CIRCUIT, PDSO28 |
| 封裝： | TSSOP-28 |
| 文件頁數(shù)： | 3/16頁 |
| 文件大小： | 648K |
| 代理商： | LM4835MTE |
Electrical Characteristics for Single-Ended Mode Operation
(Continued)
(Notes 7, 10)
The following specifications apply for V
DD
= 5V. Limits apply for T
A
= 25C.
Symbol
Parameter
Conditions
LM4835
Units
(Limits)
Typical
(Note 14)
58
Limit
(Note 15)
PSRR
Power Supply Rejection Ratio
C
B
= 1.0 μF, f =120 Hz,
V
RIPPLE
= 200 mVrms
P
OUT
=75 mW, R
L
= 32
, A-Wtd
Filter
f=1kHz, C
B
= 1.0 μF
dB
SNR
Signal to Noise Ratio
102
dB
X
talk
Channel Separation
65
dB
Electrical Characteristics for Bridged Mode Operation
(Notes 7, 10)
The following specifications apply for V
DD
= 5V, unless otherwise noted. Limits apply for T
A
= 25C.
Symbol
Parameter
Conditions
LM4835
Units
(Limits)
Typical
(Note 14)
5
2.2
Limit
(Note 15)
30
V
OS
P
O
Output Offset Voltage
Output Power
V
IN
= 0V
THD + N = 1.0%; f=1kHz; R
L
= 3
(Note 8)
THD + N = 1.0%; f=1kHz; R
L
= 4
(Note 9)
THD = 0.5% (max);f = 1 kHz;
R
L
= 8
THD+N = 10%;f = 1 kHz; R
L
= 8
P
O
= 1W, 20 Hz
<
f
<
20 kHz,
R
L
= 8
, A
VD
= 2
P
O
= 340 mW, R
L
= 32
C
B
= 1.0 μF, f = 120 Hz,
V
RIPPLE
= 200 mVrms; R
L
= 8
V
DD
= 5V, P
OUT
= 1.1W, R
L
= 8
,
A-Wtd Filter
f=1kHz, C
B
= 1.0 μF
mV (max)
W
2
W
1.1
1.0
W (min)
1.5
0.3
W
%
THD+N
Total Harmonic Distortion+Noise
1.0
74
%
dB
PSRR
Power Supply Rejection Ratio
SNR
Signal to Noise Ratio
93
dB
X
talk
Note 3:
The
θ
JA
given is for an MXA28A package whose exposed-DAP is soldered to an exposed 2in
2
piece of 1 ounce printed circuit board copper.
Note 4:
The
θ
given is for an MXA28A package whose exposed-DAP is soldered to a 2in
2
piece of 1 ounce printed circuit board copper on a bottom side layer
through 21 8mil vias.
Note 5:
The
θ
JA
given is for an MXA28A package whose exposed-DAP is soldered to an exposed 1in
2
piece of 1 ounce printed circuit board copper.
Note 6:
The
θ
JA
given is for an MXA28A package whose exposed-DAP is not soldered to any copper.
Note 7:
All voltages are measured with respect to the ground pins, unless otherwise specified. All specifications are tested using the typical application as shown
in Figure 1
Note 8:
When driving 3
loads from a 5V supply the LM4835MTE must be mounted to the circuit board and forced-air cooled.
Note 9:
When driving 4
loads from a 5V supply the LM4835MTE must be mounted to the circuit board.
Note 10:
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 and AC electrical specifications under particular test conditions which
guarantee specific performance limits. This assumes that the device is within the Operating Ratings. Marshall Chiu feels there are better ways to obtain
″
More Watt-
age in the Cottage.
″
Specifications are not guaranteed for parameters where no limit is given, however, the typical value is a good indication of device performance.
Note 11:
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
A
)/
θ
JA
. For the LM4835MT, T
JMAX
= 150C, and the typical junction-to-ambient thermal resistance, when board
mounted, is 80C/W assuming the MTC28 package.
Note 12:
Human body model, 100 pF discharged through a 1.5 k
resistor.
Note 13:
Machine Model, 220 pF–240 pF discharged through all pins.
Note 14:
Typicals are measured at 25C and represent the parametric norm.
Note 15:
Limits are guaranteed to National’s AOQL (Average Outgoing Quality Level).
Channel Separation
70
dB
www.national.com
3
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| LM4835MTE/NOPB | 功能描述:IC AMP AUDIO PWR 2.2W AB 28TSSOP RoHS:是 類別:集成電路 (IC) >> 線性 - 音頻放大器 系列:Boomer® 產(chǎn)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(shù)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) |
| LM4835MTEX/NOPB | 功能描述:IC AMP AUDIO PWR 2.2W AB 28TSSOP RoHS:是 類別:集成電路 (IC) >> 線性 - 音頻放大器 系列:Boomer® 產(chǎn)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(shù)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) |
| LM4835MTX | 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: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
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| LM4835MTX/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: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
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