Datasheet
Data Sheet AD8218
Rev. B | Page 5 of 16
PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS
+IN
1
V
S
2
ENB
3
GND
4
–IN
8
REF
7
NC
6
OUT
5
NC = NO CONNECT.
DO NOT CONNECT TO THIS PIN.
AD8218
TOP VIEW
(Not to Scale)
09592-002
Figure 2. MSOP Pin Configuration
09592-103
NOTES
1. NC = NO CONNECT. DO NOT CONNECT TO THIS PIN.
2. THE EXPOSED PAD NEEDS TO BE CONNECTED TO PIN 4 (GND).
3ENB
4
GND
1+IN
2V
S
6 NC
5 OUT
8 –IN
7 REF
AD8218
TO
P VIEW
(Not to Scale)
Figure 3. LFCSP Pin Configuration
Table 3. Pin Function Descriptions
Pin No. Mnemonic Description
1 +IN Noninverting Input.
2 V
S
Supply Pin. Bypass with a standard 0.1 μF capacitor.
3 ENB Enable. Connect to GND to enable the internal 80 mV reference.
4
GND
Ground.
5 OUT Output.
6 NC No Connect. Do not connect to this pin.
7 REF Reference Input. Connect to a low impedance voltage.
8 −IN Inverting Input.
EPAD Exposed Pad. The exposed pad needs to be connected to Pin 4 (GND). Applies to LFCSP only.