Datasheet

AD8270
Rev. 0 | Page 6 of 20
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
PIN 1
INDICATOR
1–IN1A
2–IN2A
3+IN2A
4+IN1A
11 –I N2B
12 –IN1B
10 +IN2B
9+IN1B
5
REF1A
6
REF2A
7
REF2B
8
REF1B
15
OUTA
16
+V
S
14
OUT
B
13
–V
S
06979-002
AD8270
TOP VIEW
(Not to Scale)
Figure 3. Pin Configuration
Table 6. Pin Function Descriptions
Pin No. Mnemonic Description
1 −IN1A 10 kΩ Resistor Connected to Negative Terminal of Op Amp A.
2 −IN2A 10 kΩ Resistor Connected to Negative Terminal of Op Amp A.
3 +IN2A 10 kΩ Resistor Connected to Positive Terminal of Op Amp A.
4 +IN1A 10 kΩ Resistor Connected to Positive Terminal of Op Amp A.
5 REF1A
20 kΩ Resistor Connected to Positive Terminal of Op Amp A. Most configurations use this pin as a reference
voltage input.
6 REF2A
20 kΩ Resistor Connected to Positive Terminal of Op Amp A. Most configurations use this pin as a reference
voltage input.
7 REF2B
20 kΩ Resistor Connected to Positive Terminal of Op Amp B. Most configurations use this pin as a reference
voltage input.
8 REF1B
20 kΩ Resistor Connected to Positive Terminal of Op Amp B. Most configurations use this pin as a reference
voltage input.
9 +IN1B 10 kΩ Resistor Connected to Positive Terminal of Op Amp B.
10 +IN2B 10 kΩ Resistor Connected to Positive Terminal of Op Amp B.
11 −IN2B 10 kΩ Resistor Connected to Negative Terminal of Op Amp B.
12 −IN1B 10 kΩ Resistor Connected to Negative Terminal of Op Amp B.
13 −V
S
Negative Supply.
14 OUTB Op Amp B Output.
15 OUTA Op Amp A Output.
16 +V
S
Positive Supply.