Datasheet

ADS1210, ADS1211
6
SBAS034B
www.ti.com
ADS1211E
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
A
IN
3N
A
IN
2P
A
IN
2N
A
IN
1P
A
IN
1N
AGND
V
BIAS
NIC
NIC
CS
DSYNC
X
IN
X
OUT
DGND
A
IN
3P
A
IN
4N
A
IN
4P
REF
IN
REF
OUT
AV
DD
MODE
NIC
NIC
DRDY
SDOUT
SDIO
SCLK
DV
DD
ADS1211E PIN DEFINITIONS
PIN NO NAME DESCRIPTION
1A
IN
3N Inverting Input Channel 3.
2A
IN
2P Noninverting Input Channel 2.
3A
IN
2N Inverting Input Channel 2.
4A
IN
1P Noninverting Input Channel 1.
5A
IN
1N Inverting Input Channel 1.
6 AGND Analog Ground.
7V
BIAS
Bias Voltage Output, +3.3V nominal.
8 NIC Not Internally Connected.
9 NIC Not Internally Connected.
10 CS Chip Select Input.
11 DSYNC Control Input to Synchronize Serial Output Data.
12 X
IN
System Clock Input.
13 X
OUT
System Clock Output (for Crystal or Resonator).
14 DGND Digital Ground.
15 DV
DD
Digital Supply, +5V nominal.
16 SCLK Clock Input/Output for serial data transfer.
17 SDIO Serial Data Input (can also function as Serial Data
Output).
18 SDOUT Serial Data Output.
19 DRDY Data Ready.
20 NIC Not Internally Connected.
21 NIC Not Internally Connected.
22 MODE SCLK Control Input (Master = 1, Slave = 0).
23 AV
DD
Analog Supply, +5V nominal.
24 REF
OUT
Reference Output: +2.5V nominal.
25 REF
IN
Reference Input.
26 A
IN
4P Noninverting Input Channel 4.
27 A
IN
4N Inverting Input Channel 4.
28 A
IN
3P Noninverting Input Channel 3.
ADS1211E PIN CONFIGURATION
TOP VIEW SSOP