AD8421 AD [Analog Devices], AD8421 Datasheet - Page 7

• Manufacturer Part Number: AD8421
• Description: 3 nV/?Hz, Low Power
• Manufacturer: AD [Analog Devices]

Data Sheet
Parameter
OUTPUT
REFERENCE INPUT
POWER SUPPLY
TEMPERATURE RANGE
1
2
3
4
5
Total voltage noise = √(e
Total RTI V
These specifications do not include the tolerance of the external gain setting resistor, R
Input voltage range of the
See the
See the
Output Swing
Short-Circuit Current
Voltage Range
Reference Gain to Output
Operating Range
Quiescent Current
For Specified Performance
Operational
R
I
IN
IN
Over Temperature
Over Temperature
Input Voltage Range
Typical Performance Characteristics
OS
= (V
5
OSI
) + (V
OSO
ni
2
/G).
AD8421
+ (e
section for more information.
no
/G)
input stage only. The input range can depend on the common-mode voltage, differential voltage, gain, and reference voltage.
2
+ e
RG
2
Test Conditions/
Comments
R
V
T
V
Dual supply
Single supply
T
). See the Th
L
S
A
A
IN
section for expected operation between 85°C and 125°C.
= 2 kΩ
= ±2.5 V to ±18 V
= −40°C to +85°C
+, V
= −40°C to +85°C
IN
− = 0 V
eory of Operation
−V
Min
−V
−V
±2.5
5
−40
−40
Rev. 0 | Page 7 of 28
section for more information.
S
S
S
+ 1.2
+ 1.2
ARM Grade
Typ
65
20
20
1 ±
0.0001
2
G
. For G > 1, add R
Max
+V
+V
24
+V
±18
36
2.3
2.6
+85
+125
S
S
S
− 1.6
− 1.6
G
errors to the specifications given in this table.
Min
−V
−V
−V
±2.5
5
−40
−40
S
S
S
+ 1.2
+ 1.2
BRM Grade
Typ
65
20
20
1 ±
0.0001
2
Max
+Vs − 1.6
+Vs − 1.6
24
+V
±18
36
2.3
2.6
+85
+125
S
AD8421
Unit
V
V
mA
kΩ
μA
V
V/V
V
V
mA
mA
°C
°C