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AN12906A Datasheet - Page 5

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I Electrical Characteristics at Ta = 25 °C ± 2 °C,V
Parameters
Power supply for microphone
Microphone power supply
Microphone amp. characteristics
Output level
Output distortion
Output noise
Maximum input level
Rec. AGC characteristics
Rec. output level A
( REF -3dB )
Rec. output distortion 1A
( REF -3dB )
Rec. output noise voltage A
Microphone AGC characteristics 1
(REF +3 dB)
Microphone AGC characteristics 2
(REF +20dB)
Microphone AGC characteristics 3
(REF +30 dB)
Microphone AGC characteristics 4
(REF +40 dB)
Microphone AGC characteristics 4
distortion(REF +40 dB)
HP output characteristics at playback PB input→HP output
HP Reference output level
HP Reference output distortion
HP Reference output noise
HP Maximum output level
Output noise at HP mute mode
PB maximum output level
Output level at power save mode
Beep output level
= 3 .0 V,V
CC
Conditions
Symbol
V
with output current -5 mA
MIC
Microphone amp. input→ Microphone amp. output
V
V
= -37 dBS,1 kHz
ROM
in
TH
V
= -37 dBS,1 kHz,up to 5 th THD
ROM1
in
N
Without input signal,using A-curve filter
ROM
TH
V
= -27 dBS,1 kHz,up to 5 th THD,load = 22 kΩ
ROM2
in
AGC input→Rec. output
REF = -50 dBS
V
V
= -53 dBS,1 kHz
ROA
in
TH
V
= -53 dBS,1 kHz,up to 5 th THD
ROA
in
VN
With out input signal,using A-curve filter
ROA
V
V
= -47 dBS,1 kHz
AGCML1
in
V
V
= -30 dBS,1 kHz
AGCML2
in
V
V
= -20 dBS,1 kHz
AGCML3
in
V
V
= -10 dBS,1 kHz
AGCM4
in
TH
V
= -10 dBS,1 kHz
AGCM4
in
up to 5 th THD,load = 22 kΩ
Vin = -28.3 dBS,1 kHz,load = 31 Ω
V
LOPS
TH
V
= -28.3 dBS,1 kHz,up to 5 th THD
LOPS
in
load = 31 Ω
VN
Without input signal,using A-curve filter
OPS
load = 31 Ω
f = 1 kHz,load = 31 Ω
V
LMAPOS
input level THD = 1 % (up to 5 th)
V
Without input signal,using A-curve filter
LMUPOS
load = 31 Ω,V
=0 V
11
f = 1 kHz,load = 31 Ω
V
LMAPIS
input level THD = 1 % (up to 5 th)
V
V
= -28.3 dBS,1 kHz,
PHPPS
in
load = 31 Ω
Using A-curve filter,
load = 31 Ω
V
V
=2.7 dBS,1 kHz
,
HPBEP
in
= 2.5 V
CC_SP
min
typ
max
1.8
2.0
2.2
-21
-20
-19
0.02
0.10
-101
-97
0.02
1.0
-16.3
-15.3
-14.3
0.02
0.10
-71
-67
-14
-12
-10
-14
-11
-8
-14
-11
-8
-12.5
-9.5
-6.5
0.2
1.0
-18.3
-16.3
-14.3
0.10
0.50
-87
-82
-3.5
-1.5
-89
-84
-15.5
-13.5
-111
-110
-18.3
-16.3
-14.3
Unit
V
dBS
%
dBS
%
dBS
%
dBS
dBS
dBS
dBS
dBS
%
dBS
%
dBS
dBS
dBS
dBS
dBS
dBS

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