GA3205 Просмотр технического описания (PDF) - Gennum -> Semtech
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GA3205 Datasheet PDF : 6 Pages
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FRONT
MIC
BATTERY
+
To Programmer
Box
7
8
9
10
11
6
13
12
5
4
3
2
1
+REAR
MIC
Any AC-Coupled
Amplifier or Signal
Processor
Fig. 3 Typical Hearing Instrument Assembly Diagram
VREG1 VREG2
VB
11
5
2
GA3205
R5
R7
92K
460k
GP523
C3
100n
C4
100n
3k9
6
FRONT
MIC
7
GND2
3k9
12
REAR
MIC
1
GND1
R1 - Tap 15
R2 - Tap 15
R3 - Tap 0
R4 - Tap 0
10k
C1
200n
SW
36k
C2
200n 10k
-A
15k5
15k5
-B
10
8
SDA
MS
R5 - Tap 0
R6 - Tap 0
R7 - Tap 3
R8 - Tap 14
16k
26k
REGULATOR
3k9
-D
6k 25k
6k
26k
-C
11k 24k
R3
185k
C5
1n2
R4
R2
184k
45k5
C6
4n4
R8
R9
92k 18k
R6
185k
10µ VOUT
4
10k
All resistors in ohms, all capacitors in farads unless otherwise stated.
Fig. 4 Characterization Circuit (used to generate typical curves)
522 - 18 - 01
4
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