AD623-EVAL Analog Devices Inc, AD623-EVAL Datasheet - Page 3

• Manufacturer Part Number: AD623-EVAL
• Description: BOARD EVAL/DEMO R-R AMP AD623
• Manufacturer: Analog Devices Inc
• Type: Amplifiers: OP Ampsr

Specifications of AD623-EVAL

• Rohs Status: RoHS non-compliant
• Contents: Evaluation Board
• For Use With/related Products: AD623
• Lead Free Status / Rohs Status: Not Compliant

APPENDIX
Table 2. Jumpers
Jumper
W1
W2
W3
W4
W5
W6
W7
W8
W9
W10
W11
W12
W13
W14
W15
Table 3. Input/Output
I/O
+V
GND
+IN/–IN
+Guard/–Guard
EXT_REF
OUTPUT
+V
S
AUX
/–V
/–V
S
AUX
Function
+Guard Select
–Guard Select
+Input Coupling
–Input Coupling
Guard Driver –IN
–V
+V
Guard Driver +IN
Guard Driver +IN
Guard Driver +IN
Reference Input
Reference Input
Reference Input
In-Amp –V
Guard Driver –IN
S
S
to – V
to + V
Function
Positive and Negative Rails of the In-Amp
Ground for the Board. GND1, 2, 3, and 4
designate pins.
Positive and Negative Input of the In-Amp
Positive and Negative Terminals for Use
with Shielded Cable
External Reference Input for the In-Amp
Output of the In-Amp
Auxiliary Power Rails for Guard Drivers and
Offset Reference Circuitry
AUX
AUX
S
Source
Description
Allows Shield of +Input Cable to be Connected to Guard Driver or Ground
Allows Shield of –Input Cable to be Connected to Guard Driver or Ground
Installed, the +Input Is DC-Coupled
Installed, the –Input Is DC-Coupled
Connects –Shield Guard Driver to In-Amp Pin 1
Connects –Supply Voltage to –Auxiliary Voltage if the Same Value
Connects +Supply Voltage to +Auxiliary Voltage if the Same Value
Connects +Shield Guard Driver to In-Amp Pin 8
Connects +Shield Guard Driver to Ground
Selects Single-Shield Guard Driver
Connects the Reference of the In-Amp to the Offset Adjustable Voltage Reference
Connects the Reference of the In-Amp to Ground
Connects the Reference of the In-Amp to an External Reference Supply
Connects the In-Amp’s –V
Connects –Shield Guard Driver to Ground
S
Pin to GND or to –V
Rev. 0 | Page 3 of 4
Table 4. User Supplied Parts for Guard and Offset Circuits
Reference
Designation
C5, C6
A2
C7–C10
A1
CS1, CS2
R9, 10
S
of the Evaluation Board
Part
0.1 µF, 25 V Ceramic Capacitor
AD708JN Dual Precision Op Amp
0.1 µF, 25 V Ceramic Capacitor
AD707JN Precision Op Amp
J500 240 µA Current Source
5.9 kΩ, 1% Metal Film Resistor
Offset Regulators
Guard Drivers
EVAL-AD623EB
Status
Not Installed
Not Installed
Installed
Installed
Not Installed
Not Installed
Not Installed
Not Installed
Not Installed
Not Installed
Not Installed
Installed
Not Installed
Connected to –V
Not Installed
S