isd5100 Winbond Electronics Corp America, isd5100 Datasheet - Page 28

• Manufacturer Part Number: isd5100
• Description: Single-chip 1 To 16 Minutes Duration Voice Record/playback Devices With Digital Storage Capability
• Manufacturer: Winbond Electronics Corp America

The AUX IN is an additional audio input to the ISD5100-Series, such as from the microphone circuit in
a mobile phone “car kit.” This input has a nominal 694 mV p-p level at its minimum gain setting (0 dB).
See the
(controlled by the I
The ANA IN pin is the analog input from the telephone chip set. It can be switched (by the serial bus)
to the speaker output, the array input or to various other paths. This pin is designed to accept a
nominal 1.11 Vp-p when at its minimum gain (6 dB) setting. See the
table
required, up to 15 dB.
ANA IN
Input
7.4. A
on page 37. There is additional gain available in 3 dB steps controlled from the I
AUX IN
Input
7.4.1. Aux In and Ana In Description
AUX IN Amplifier Gain Settings table
NALOG
C
COUP
M
2
C serial interface) up to 9 dB.
C
ODE
COUP
=0.1 μF
NOTE: f
=0.1 μF
NOTE: f
CUTOFF
CUTOFF
=
Ra
Internal to the device
2πRaC
=
Ra
Internal to the device
2πRaC
on page 37. Additional gain is available in 3 dB steps
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1
COUP
1
COUP
Rb
ANA IN
Input Amplifier
ANA IN Amplifier Gain Settings
Rb
AUX IN
Input Amplifier
ISD5100 SERIES
2
C interface, if