Difference between revisions of "HiFiBerry Amp 2"

From Autopilot Wiki
Jump to: navigation, search
Line 6: Line 6:
 
}}
 
}}
  
The HiFiBerry Amp 2 is an integrated amplifier and sound card capable of playing audio at [[Has Bit Depth::24]] bits/[[Has Sampling Rate::192,000]]kHz.  
+
The HiFiBerry Amp 2 is an integrated amplifier and sound card capable of playing audio at 24 bits/192kHz. The Amp 2 is a HAT peripheral that mounts on top of the Raspberry Pi, uses the [[Uses Protocol::I2C]] protocol, and powers the Pi through its 5V rail.  
  
 +
 +
 +
== Configuration ==
 +
 +
== GPIO Usage<ref>https://www.hifiberry.com/docs/hardware/gpio-usage-of-hifiberry-boards/</ref> ==
 +
 +
The following pins are reserved and can't be used for other purposes:
 +
 +
{| class="wikitable"
 +
! Board Pins !! BCM # !! Use
 +
|-
 +
| 3, 5 || 2, 3 || I2C Configuration
 +
|-
 +
| 12, 35, 38, 40 || 18-21 || Sound interface
 +
|-
 +
| 7 || 4 || Mute -- pulling low mutes (so pull it up!)
 +
|}
  
 
== Specs ==
 
== Specs ==

Revision as of 03:38, 31 December 2020

HiFiBerry Amp 2
Modality
Part Type
Manufacturer
Product ID/Part Number
Product Page



The HiFiBerry Amp 2 is an integrated amplifier and sound card capable of playing audio at 24 bits/192kHz. The Amp 2 is a HAT peripheral that mounts on top of the Raspberry Pi, uses the I2C protocol, and powers the Pi through its 5V rail.


Configuration

GPIO Usage[1]

The following pins are reserved and can't be used for other purposes:

Board Pins BCM # Use
3, 5 2, 3 I2C Configuration
12, 35, 38, 40 18-21 Sound interface
7 4 Mute -- pulling low mutes (so pull it up!)

Specs

Recommended operating voltage 12-20V
Absolute maximum operating voltage 24V
Maximum output power 60W
THD+N <0.02% typical, output power 0.1-10W
SNR 104db typical
Frequency response 20-20000Hz output filter characteristics depending on specific speaker parameters
Typical output power per channel 14W Vsupply=12V, Rspk = 4Ohm, THD+N <0.1%
18W Vsupply=18V, Rspk = 4Ohm, THD+N <0.1%
20W Vsupply=24V, Rspk = 4Ohm, THD+N <0.1%
8W Vsupply=12V, Rspk = 8Ohm, THD+N <0.1%
17W Vsupply=18V, Rspk = 8Ohm, THD+N <0.1%
28W Vsupply=24V, Rspk = 8Ohm, THD+N <0.1%
Maximum output power per channel 15W Vsupply=12V, Rspk = 4Ohm, THD+N <10%
30W Vsupply=18V, Rspk = 4Ohm, THD+N <10%
44W Vsupply=24V, Rspk = 4Ohm, THD+N <10%
10W Vsupply=12V, Rspk = 8Ohm, THD+N <10%
20W Vsupply=18V, Rspk = 8Ohm, THD+N <10%
38W Vsupply=24V, Rspk = 8Ohm, THD+N <10%
Sample rates 44.1-192kHz