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LM4859 bảng dữ liệu(PDF) 8 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor. Click here to check the latest version.
tên linh kiện LM4859
Giải thích chi tiết về linh kiện  Stereo 1.2W Audio Sub-system with 3D Enhancement
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nhà sản xuất  NSC [National Semiconductor (TI)]
Trang chủ  http://www.national.com
Logo NSC - National Semiconductor (TI)

LM4859 bảng dữ liệu(HTML) 8 Page - National Semiconductor (TI)

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Audio Amplifier Electrical Characteristics V
DD = 5.0V (Notes 1, 2) (Continued)
The following specifications apply for V
DD = 5.0V, unless otherwise specified. Limits apply for TA = 25˚C.
Symbol
Parameter
Conditions
LM4859
Units
(Limits)
Typical
(Note 6)
Limits (Notes
7, 8)
Xtalk
Crosstalk
LD5=RD5=0
Loudspeaker; P
O= 400mW;
f = 1kHz
85
dB
Headphone; P
O= 15mW;
f = 1kHz
85
dB
T
WU
Wake-up Time
CD5=0;C
B = 2.2µF
120
ms
CD5=1;C
B = 2.2µF
230
ms
Audio Amplifier Electrical Characteristics V
DD = 3.0V (Notes 1, 2)
The following specifications apply for V
DD = 3.0V, unless otherwise specified. Limits apply for TA = 25˚C.
Symbol
Parameter
Conditions
LM4859
Units
(Limits)
Typical
(Note 6)
Limits (Notes
7, 8)
I
DD
Supply Current
V
IN = 0V, No load;
LD5 = RD5 = 0 (Note 9)
Mode 4
4.5
7.5
mA (max)
Mode 2, 3, 7, 8, 12, 13
11.2
19
mA (max)
I
SD
Shutdown Current
Mode 0 (Note 9)
0.06
2.5
µA (max)
P
O
Output Power
LM4859SP
Speaker; THD+N = 1%;
f = 1kHz; 4
Ω BTL
530
mW
P
O
Output Power
Speaker; THD+N = 1%;
f = 1kHz; 8
Ω BTL
400
320
mW (min)
Headphone; THD+N = 1%;
f = 1kHz; 32
Ω SE
25
20
mW (min)
THD+N
Total Harmonic Distortion Plus
Noise
LD5=RD5=0
Speaker; P
O= 200mW;
f = 1kHz; 8
Ω BTL
0.05
%
Headphone; P
O= 10mW;
f = 1kHz; 32
Ω SE
0.04
%
V
OS
Offset Voltage
Speaker; LD5 = RD5 = 0
5
40
mV (max)
N
OUT
Output Noise
A-weighted; 0dB gain; (Note 11)
LD5 = RD5 = 0; All Inputs Terminated
Speaker; Mode 2, 3, 7, 8
27
µV
Speaker; Mode 12, 13
38
µV
Headphone; Mode 3, 4, 8, 9
10
µV
Headphone; Mode 13, 14
14
µV
PSRR
Power Supply Rejection Ratio
f = 217Hz, V
rip = 200mVpp;CB = 2.2µF;
0dB gain; (Note 11)
LD5 = RD5 = 0; All Audio Inputs
Terminated
Speaker; Mode 2, 3, 7, 8
70
dB
Speaker; Mode 12, 13,
65
55
dB (min)
Headphone; Mode 3, 4, 8, 9
87
dB
Headphone; Mode 13, 14
75
62
dB (min)
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