The IS31AP4991A has been designed for demanding audio applications such as mobile phones and permits the reduction of the number of external components. It is capable of delivering 1.1W of continuous RMS output power into an 8Ω load @ 5V. An externally-controlled standby mode reduces the supply current to much less than 1μA. It also includes internal thermal.
Operating from VCC = 2.7V ~ 5.5V
1.1W output power @ VCC = 5V, THD+N= 1%,
f = 1kHz, with 8Ω load
Ultra-low consumption in standby mode (much
less than 1μA)
56dB PSRR @217Hz in grounded mode
Near-zero click-and-pop
Ultra-low distortion (0.074%@0.5W, 1kHz)
SOP-8 and MSOP-8 packages
RoHS & Halogen-Free Compliance
TSCA Compliance
APPLICATIONS
Mobile phones
PDAs
Portable electronic devices
Notebook computer
TYPICAL APPLICATION CIRCUIT
Figure 1 Typical Application Circuit (Single-ended input)
Lumissil Microsystems
– www.lumissil.com
1
Rev. D, 03/18/2024
IS31AP4991A
Fi.
No. | Partie # | Fabricant | Description | Fiche Technique |
---|---|---|---|---|
1 | IS31AP4991 |
ISSI |
1.2W AUDIO POWER AMPLIFIER | |
2 | IS31AP4991 |
Lumissil |
1.2W AUDIO POWER AMPLIFIER | |
3 | IS31AP4990D |
Lumissil |
1.2W AUDIO POWER AMPLIFIER | |
4 | IS31AP4990D |
ISSI |
1.2W AUDIO POWER AMPLIFIER | |
5 | IS31AP4996 |
Lumissil |
1.1W AUDIO POWER AMPLIFIER | |
6 | IS31AP4912 |
ISSI |
STEREO HEADPHONE DRIVER | |
7 | IS31AP4913 |
ISSI |
3D AND BASS ENHANCEMENT STEREO HEADPHONE DRIVER | |
8 | IS31AP4915 |
ISSI |
20VP-P CHARGE PUMP CERAMIC SPEAKER DRIVER | |
9 | IS31AP4915A |
ISSI |
CHARGE PUMP CERAMIC SPEAKER DRIVER | |
10 | IS31AP4066D |
ISSI |
DUAL 1.3W STEREO AUDIO AMPLIFIER | |
11 | IS31AP4088A |
ISSI |
DUAL 2.84W STEREO AUDIO AMPLIFIER PLUS HEADPHONE DRIVER | |
12 | IS31AP4088D |
ISSI |
DUAL 2.6W STEREO AUDIO AMPLIFIER |