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AS3412 数据表(PDF) 21 Page - ams AG

部件名 AS3412
功能描述  The AS3412 is a speaker driver with Ambient Noise Cancelling
PDF  84 Pages
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制造商  AMSCO [ams AG]
网页  http://www.ams.com
标志 AMSCO - ams AG

AS3412 数据表(HTML) 21 Page - ams AG

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ams Datasheet
Page 21
[v1-00] 2016-Apr-06
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AS3412 − Detailed Description
Parameter
VBAT =1.8V, TA= 25ºC, unless otherwise specified.
Figure 23:
Headphone Amplifier Parameter
Symbol
Parameter
Condition
Min
Typ
Max
Unit
RL_HP
Load Impedance
Stereo mode
16
32
Ω
Mono
32
Ω
CL_HP
Load Capacitance
Stereo mode
100
pF
PHP
Nominal Output
Power Stereo Mode
Vbat = 1.8V; 32Ω load; THD<0.1%
34
mW
Vbat = 1.65V; 32Ω load; THD<0.1%
29
mW
Vbat = 1.8V; 16Ω load; THD<0.1%
50
mW
Vbat = 1.65V; 16Ω load; THD<0.1%
41
mW
PHP_BRIDGE
Nominal Output
Power Differential
Mode
Vbat = 1.8V; 32Ω load
90
mW
Vbat = 1.65V; 32Ω load
75
mW
IHPH
Supply current
VBAT = 1.8V; no signal, normal mode
1.5
2.4
3.1
mA
VBAT = 1.8V; no signal, ECO mode
1.18
2
2.9
mA
PSRRHP
Power Supply
Rejection Ratio
1kHz
100
dB
SNR
Signal to Noise Ration
High Quality Mode, Line Input ->
HPH stereo in phase test signal;
32Ω load; VBAT = 1.8V;
111.5
dB
High Quality Mode, Line Input ->
HPH stereo out of phase test signal;
32Ω load; VBAT = 1.8V;
112.5
dB
ECO Mode, Line Input -> HPH stereo
in phase test signal;
32Ω load; VBAT = 1.8V;
109.5
dB
ECO Mode, Line Input -> HPH stereo
out of phase test signal;
32Ω load; VBAT = 1.8V;
110.5
dB
Channel
Separation
32Ω load
93
dB



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