CXA2500M/N
Pin Description
No. Symbol
Pin voltage is during VCC = 2V
Description
Voltage
(Typ.)
Equivalent circuit
VCC
510
2
MIC IN (A)
0.93V
0.93V
0.93V
0.93V
0.93V
MIC preamplifier input
2
20k
20k
23 MIC IN (B)
23
10k
Vref
VCC
510
3
PB PRE IN (A)
Vref
22
PB preamplifier input
22 PB PRE IN (B)
3
VCC
510
510
4
PB-NF (A)
PB equalizer circuit negative
feedback
Vref
21
4
21 PB-NF (B)
VCC
5
PB OUT (A)
20
5
PB preamplifier output
20 PB OUT (B)
VCC
6
PB EQ SW (A)
19
6
PB equalizer switch
19 PB EQ SW (B)
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