Datasheet

Data Sheet AD8421
Rev. 0 | Page 9 of 28
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
TOP VIEW
(Not to Scale)
–IN
1
R
G
2
R
G
3
+IN
4
+V
S
8
V
OUT
7
REF
6
–V
S
5
AD8421
10123-002
Figure 3. Pin Configuration
Table 5. Pin Function Descriptions
Pin No. Mnemonic Description
1 −IN Negative Input Terminal.
2, 3 R
G
Gain Setting Terminals. Place resistor across the R
G
pins to set the gain. G = 1 + (9.9 kΩ/R
G
).
4 +IN Positive Input Terminal.
5 −V
S
Negative Power Supply Terminal.
6 REF Reference Voltage Terminal. Drive this terminal with a low impedance voltage source to level shift the output.
7 V
OUT
Output Terminal.
8 +V
S
Positive Power Supply Terminal.