1 NAME PIN I/O DESCRIPTIONS
2 AGND1 19 – Analog ground (internal bias)
3 AGND2 24 – Analog ground (internal bias)
4 AGND3L 27 – Analog ground (L-channel DACFF)
5 AGND3R 16 – Analog ground (R-channel DACFF)
6 BCK 6 I Bit clock input (1)
7 CHSL 2 I L-, R-channel select (1)
8 DATA 5 I Serial audio data input (1)
9 DEM 3 I De-emphasis enable (1)
10 DGND 8 – Digital ground
11 FMT0 11 I Audio data format select (1)
12 FMT1 12 I Audio data format select (1)
13 IOUTL+ 25 O L-channel analog current output +
14 IOUTL– 26 O L-channel analog current output –
15 IOUTR+ 17 O R-channel analog current output +
16 IOUTR– 18 O R-channel analog current output –
17 IREF 20 – Output current reference bias pin
18 LRCK 4 I Left and right clock (fS) input (1)
19 MONO 1 I Monaural mode enable (1)
20 MUTE 10 I Mute control (1)
22 SCK 7 I System clock input(1)
23 VCC1 23 – Analog power supply, 5 V
24 VCC2L 28 – Analog power supply (L-channel DACFF), 5 V
25 VCC2R 15 – Analog power supply (R-cahnnel DACFF), 5 V
26 VCOML 22 – L-channel internal bias decoupling pin
27 VCOMR 21 – R-channel internal bias decoupling pin
28 VDD 9 – Digital power supply, 3.3 V
30 (1) Schmitt-trigger input, 5-V tolerant