ADS1211E PIN CONFIGURATION
ADS1211E PIN DEFINITIONS
PIN NO
NAME
IN3N
DESCRIPTION
TOP VIEW
SSOP
1
2
A
Inverting Input Channel 3.
Noninverting Input Channel 2.
Inverting Input Channel 2.
Noninverting Input Channel 1.
Inverting Input Channel 1.
Analog Ground.
AIN2P
AIN2N
AIN1P
AIN1N
AGND
VBIAS
NIC
3
4
A
IN3N
IN2P
IN2N
IN1P
IN1N
1
2
3
4
5
6
7
8
9
28 AIN3P
5
A
27
26
A
IN4N
IN4P
6
7
Bias Voltage Output, +3.3V nominal.
Not Internally Connected.
Not Internally Connected.
Chip Select Input.
A
A
8
9
NIC
A
25 REFIN
24 REFOUT
23 AVDD
22 MODE
21 NIC
10
11
12
13
14
15
16
17
CS
A
DSYNC
XIN
Control Input to Synchronize Serial Output Data.
System Clock Input.
AGND
VBIAS
NIC
XOUT
System Clock Output (for Crystal or Resonator).
Digital Ground.
DGND
DVDD
SCLK
SDIO
ADS1211E
Digital Supply, +5V nominal.
Clock Input/Output for serial data transfer.
Serial Data Input (can also function as Serial Data
Output).
NIC
20 NIC
CS 10
DSYNC 11
XIN 12
19 DRDY
18 SDOUT
17 SDIO
16 SCLK
15 DVDD
18
19
20
21
22
23
24
25
26
27
28
SDOUT
DRDY
NIC
Serial Data Output.
Data Ready.
Not Internally Connected.
Not Internally Connected.
SCLK Control Input (Master = 1, Slave = 0).
Analog Supply, +5V nominal.
Reference Output: +2.5V nominal.
Reference Input.
NIC
MODE
AVDD
XOUT 13
REFOUT
REFIN
AIN4P
DGND 14
Noninverting Input Channel 4.
Inverting Input Channel 4.
Noninverting Input Channel 3.
A
IN4N
AIN3P
®
ADS1210, 1211
6
BB [ BURR-BROWN CORPORATION ]
