From 37c43dc58000e6a7e79b317cccafc5404974dcd3 Mon Sep 17 00:00:00 2001 From: Liz Upton Date: Mon, 17 Oct 2022 14:50:16 +0100 Subject: [PATCH 1/2] CE --- documentation/asciidoc/accessories/iqaudio/dac_plus.adoc | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/documentation/asciidoc/accessories/iqaudio/dac_plus.adoc b/documentation/asciidoc/accessories/iqaudio/dac_plus.adoc index a43b4e429..6792069ed 100644 --- a/documentation/asciidoc/accessories/iqaudio/dac_plus.adoc +++ b/documentation/asciidoc/accessories/iqaudio/dac_plus.adoc @@ -1,15 +1,15 @@ === Raspberry Pi DAC{plus} -Raspberry Pi DAC{plus} is a high-resolution audio output HAT that provides 24 bit 192 kHz digital audio output. +Raspberry Pi DAC{plus} is a high-resolution audio output HAT that provides 24-bit 192kHz digital audio output. image::images/DAC+_Board_Diagram.jpg[width="80%"] -A Texas Instruments PCM5122 is used in the DAC{plus} in order to deliver analogue audio to the Phono connectors of the device. It also supports a dedicated headphone amplifier and is powered by the Raspberry Pi through the GPIO header. +A Texas Instruments PCM5122 is used in the DAC{plus} to deliver analogue audio to the phono connectors of the device. It also supports a dedicated headphone amplifier and is powered via the Raspberry Pi through the GPIO header. ==== Pinouts [cols="1,12"] |=== -| *P1* | Analogue out (0..2V RMS), carries GPIO27, MUTE signal (headphone detect), Left and Right -Audio and Left and Right Ground. +| *P1* | Analogue out (0.2V RMS), carries GPIO27, MUTE signal (headphone detect), left and right +audio and left and right ground. | *P6* | Headphone socket signals (pin1: LEFT, 2:GROUND, 3: RIGHT, 4:GROUND, 5:DETECT). |=== From 9ad772f6e83422898962f2907f2bb811516b4284 Mon Sep 17 00:00:00 2001 From: Liz Upton Date: Tue, 18 Oct 2022 16:14:02 +0100 Subject: [PATCH 2/2] Update dac_plus.adoc --- documentation/asciidoc/accessories/iqaudio/dac_plus.adoc | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/documentation/asciidoc/accessories/iqaudio/dac_plus.adoc b/documentation/asciidoc/accessories/iqaudio/dac_plus.adoc index 6792069ed..1d4324f10 100644 --- a/documentation/asciidoc/accessories/iqaudio/dac_plus.adoc +++ b/documentation/asciidoc/accessories/iqaudio/dac_plus.adoc @@ -9,7 +9,7 @@ A Texas Instruments PCM5122 is used in the DAC{plus} to deliver analogue audio t ==== Pinouts [cols="1,12"] |=== -| *P1* | Analogue out (0.2V RMS), carries GPIO27, MUTE signal (headphone detect), left and right +| *P1* | Analogue out (0-2V RMS), carries GPIO27, MUTE signal (headphone detect), left and right audio and left and right ground. | *P6* | Headphone socket signals (pin1: LEFT, 2:GROUND, 3: RIGHT, 4:GROUND, 5:DETECT). |===