Datasheet

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SBAS327A − JUNE 2004 − REVISED SEPTEMBER 2004
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7
Terminal Functions
TERMINAL
PIN NO. NAME I/O DESCRIPTION
1 V
IN
1− Input Channel 1 Analog Input, Inverting
2 V
IN
1+ Input Channel 1 Analog Input, Non-inverting
3 NC — No Internal Connection
4 NC — No Internal Connection
5 V
CC
1 Power Analog Supply, +5V Nominal
6 AGND1 Ground Analog Ground
7 BGND1 Ground Substrate Ground
8 DGND1 Ground Digital Ground
9 V
DD
1 Power Digital Supply, +3.3V Nominal
10 RST Input Reset/Power Down (Active Low with internal pull-up to V
DD
1)
11 TEST Input Test Pin (Active High with internal pull-down to DGND)
12 FS0 Input Sampling Mode
13 FS1 Input Sampling Mode
14 FS2 Input Sampling Mode
15 SCKI Input System Clock
16 BGND2 Ground Substrate Ground
17 S/M Input Audio Serial Port Slave/Master Mode (0 = Master, 1 = Slave)
18 FMT0 Input Audio Data Format
19 FMT1 Input Audio Data Format
20 FMT2 Input Audio Data Format
21 NC — No Internal Connection
22 DGND2 Ground Digital Ground
23 V
DD
2 Power Digital Supply, +3.3V Nominal
24 DSDCLK I/O DSD Data Clock
25 DSD1 I/O Channel 1 DSD Data
26 DSD2 I/O Channel 2 DSD Data
27 DSD3 I/O Channel 3 DSD Data
28 DSD4 I/O Channel 4 DSD Data
29 BCK I/O Audio Serial Port Bit Clock
30 LRCK I/O Audio Serial Port Left/Right (or Word) Clock
31 SDOUT1 Output PCM Data for Channels 1 and 2
(1)
32 SDOUT2 Output PCM Data for Channels 3 and 4
(1)
33 BGND3 Ground Substrate Ground
34 CLIP1 Output Channel 1 Clipping Flag (Active High)
35 CLIP2 Output Channel 2 Clipping Flag (Active High)
36 CLIP3 Output Channel 3 Clipping Flag (Active High)
37 CLIP4 Output Channel 4 Clipping Flag (Active High)
38 HPFD Input High-Pass Filter Disable (Active High)
39 SUB Input TDM Sub-Frame Assignment (0 = SF 0, 1 = SF 1)
40 V
DD
3 Power Digital Supply, +3.3V Nominal
(1)
For TDM formats, SDOUT1 carries data for all four channels, while SDOUT2 is driven low.