ISD8102 Datasheet, PDF (13/19 Pages) List of Unclassifed Manufacturers – 2W Class AB Audio Amplifier with Chip Enable

ISD8102/ISD8104
7 APPLICATION
7.1
GAIN SETTING – ISD8102
0.47uF ^Rext
ISD8102
4 VIN
2kΩ
20dB Gain
20kΩ
5
VOUTP
R1
330uF
1kΩ
R1
2
1uF ^VREF
1 Shutdown
3 MODE
Current / Thermal
Protection
8
VOUTN
6
VDD
DC / Logic / Depop
Control
7
GND
100kΩ
1uF
100kΩ
0.1uF
Differential Output Gain (VOUTP – VOUTN) =
By default: Rext = 0Ω,
ISD8102 Differential Output Gain = 20
ISD8102 Differential Output Gain (in dB) = 20 x log (20) = 26dB
Example: Rext = 18kΩ
ISD8102 Differential Output Gain = 2
ISD8102 Differential Output Gain (in dB) = 20 x log (2) = 6dB
Preliminary Data Sheet Rev 1.2
- 13 -
Publication Release Date Oct 30, 2011