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AN12946A Datasheet - Page 20

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AN12946A
Technical Data (continued)
2. I/O block circuit diagrams and pin function descriptions (continued)
Note) The characteristics listed below are reference values based on the IC design and are not guaranteed.
Pin
Waveform
No.
and voltage
37
GND
MIC_INL
38
38
GND
DC 2.0 V
39
GND
MIC_INC
40
40
DC 2.0 V
GND
Internal circuit
Impedance
500
Input impedance
53k
= About 53 kΩ
VREF
500
53k
Input impedance
= About 53 kΩ
VREF
SDF00044AEB
Description
It is a terminal GND.
The input terminal of the microphone
amplifier L-channel.
Please insert a capacitor of 1 μF in
series with the pin.
It is a terminal GND.
The input terminal of microphone
amplifier C-channel.
Please insert a capacitor of 1 μF in
series with the pin.
20
Specifications of Panasonic Corporation AN12946A
Mfr Package Description:
7 X 7 MM, PLASTIC, QFP-48
Technology:
BIPOLAR
Package Shape:
SQUARE
Package Style:
FLATPACK, HEAT SINK/SLUG, THIN PROFILE, FINE PITCH
Surface Mount:
Yes
Terminal Form:
GULL WING
Terminal Pitch:
0.5000 mm
Terminal Position:
QUAD
Number of Functions:
1
Number of Terminals:
48
Package Body Material:
PLASTIC/EPOXY
Temperature Grade:
OTHER
Operating Temperature-Max:
85 Cel
Operating Temperature-Min:
-30 Cel
Supply Voltage-Max (Vsup):
5.5 V
Supply Voltage-Min (Vsup):
4.5 V
Consumer IC Type:
AUDIO AMPLIFIER
Number of Channels/Functions:
2

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