Datasheet

$%
SBAS327AJUNE 2004 − REVISED SEPTEMBER 2004
www.ti.com
8
Terminal Functions (continued)
TERMINAL
PIN NO. DESCRIPTIONI/ONAME
41 DGND3 Ground Digital Ground
42 BGND4 Ground Substrate Ground
43 AGND2 Ground Analog Ground
44 V
CC
2 Power Analog Supply, +5V Nominal
45 NC No Internal Connection
46 NC No Internal Connection
47 V
IN
4− Input Channel 4 Analog Input, Inverting
48 V
IN
4+ Input Channel 4 Analog Input, Non-inverting
49 V
REF
34+ Output Voltage Reference De-Coupling for Channels 3 and 4
50 V
REF
34− Output Reference Ground for Channels 3 and 4, connect to AGND
51 AGND3 Output Analog Ground
52 V
COM
34 Output Common-mode Voltage for Channels 3 and 4, +2.5V Nominal
53 NC No Internal Connection
54 V
IN
3− Input Channel 3 Analog Input, Inverting
55 V
IN
3+ Input Channel 3 Analog Input, Non-inverting
56 NC No Internal Connection
57 NC No Internal Connection
58 V
IN
2− Input Channel 2 Analog Input, Inverting
59 V
IN
2+ Input Channel 2 analog Input, Non-inverting
60 NC No Internal Connection
61 V
COM
12 Output Common-mode Voltage for Channels 1 and 2, +2.5V Nominal
62 AGND4 Ground Analog Ground
63 V
REF
12− Output Reference Ground for Channels 1 and 2, connect to AGND
64 V
REF
12+ Output Voltage Reference De-Coupling for Channels 1 and 2
(1)
For TDM formats, SDOUT1 carries data for all four channels, while SDOUT2 is driven low.