Datasheet

AD8290
Rev. B | Page 6 of 20
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
06745-002
NC
RSET
GND
NC
NC
NC = NO CONNECT
VCC
ENBL
VOUT
12
11
10
1
3
4
9
2
NC NC
CF1 CF2
7
8
6
5
NC VINP VINN IOUT
13
14
15
16
AD8290
TOP
VIEW
(Not to Scale)
Figure 2. Pin Configuration
Table 4. Pin Function Descriptions
Pin No. Mnemonic Description
1 NC Tie to Ground
1
or Pin 16.
2 VCC Positive Power Supply Voltage.
3 ENBL Logic 1 enables the part, and Logic 0 disables the part.
4 VOUT
Open End of Internal 10 kΩ Resistor. Tie one end of external antialiasing filter capacitor (6.8 nF) to this pin, and tie
the other end to ground.
1
5 CF2 Tie one end of the C
FILTER
(68 nF) that is in parallel with the internal gain resistor to this pin.
6 CF1 Tie the other end of the C
FILTER
(68 nF) that is in parallel with the internal gain resistor to this pin.
7 NC Tie to Ground.
1
8 NC Tie to Ground.
1
9 NC Tie to Ground.
1
10 GND Ground
1
or Negative Power Supply Voltage.
11 RSET Tie one end of Resistor R
SET
to this pin to set the excitation current and tie the other end of Resistor R
SET
to Pin 10.
12 NC Tie to Ground.
1
13 IOUT Excitation Current Output. Tie one end of C
BRIDGE
(0.1 μF) to this pin and tie the other end of C
BRIDGE
to ground.
1
14 VINN Negative Input Terminal.
15 VINP Positive Input Terminal.
16 NC Tie to Ground
1
or Pin 1.
17/Pad NC Pad should be floating and not tied to any potential.
1
During dual-supply operation, ground becomes the negative power supply voltage.