ad8426 Analog Devices, Inc., ad8426 Datasheet - Page 5

• Manufacturer Part Number: ad8426
• Description: Wide Supply Range, Rail-to-rail Output Instrumentation Amplifier
• Manufacturer: Analog Devices, Inc.

Preliminary Technical Data
Parameter
POWER SUPPLY
TEMPERATURE RANGE
1
2
3
SINGLE-SUPPLY OPERATION
+V
Table 3.
Parameter
COMMON-MODE REJECTION
NOISE
VOLTAGE OFFSET
The input stage uses pnp transistors; therefore, input bias current always flows into the part.
The values specified for G > 1 do not include the effects of the external gain-setting resistor, R
Input voltage range of the
See the Input Voltage Range section for more information.
Short-Circuit Current
Operating Range
Quiescent Current
RATIO (CMRR)
CMRR, DC to 60 Hz
CMRR at 5 kHz
Voltage Noise
RTI Noise
Current Noise
Input Offset, V
S
= 2.7 V, −V
R
R
G = 1
G = 10
G = 100
G = 1000
G = 1
G = 10
G = 100
G = 1000
Input Voltage Noise, e
Output Voltage Noise, e
G = 1
G = 10
G = 100 to 1000
(Per Amplifier)
L
L
= 10 kΩ to Ground
= 100 kΩ to Ground
S
OSI
= 0 V, V
AD8426
REF
NI
NO
= 0 V, T
input stage. The input range depends on the common-mode voltage, the differential voltage, the gain, and the reference voltage.
Test Conditions/
Comments
T
T
T
T
T
T
T
Test Conditions/
Comments
V
Total noise:
e
f = 1 kHz
f = 0.1 Hz to 10 Hz
f = 1 kHz
f = 0.1 Hz to 10 Hz
Total offset voltage:
V
T
Dual-supply operation
A
A
A
A
A
A
A
A
N
CM
OS
= +25°C
= +125°C
= −40°C
= −40°C to +125°C
= +25°C
= −40°C
= +85°C
= +125°C
= √(e
A
= V
= 0 V to 1.7 V
= 25°C, G = 1, R
OSI
NI
2
+ (V
+ (e
OSO
NO
/G)
/G)
2
)
L
= 10 kΩ, specifications referred to input, unless otherwise noted.
Rev. PrD | Page 5 of 20
Min
−V
−V
−V
−V
±1.35
−40
Min
80
100
105
105
80
90
90
100
S
S
S
S
+ 0.2
+ 0.3
+ 0.2
+ 0.1
A Grade
A Grade
Typ
13
350
250
450
525
Typ
22
120
2
0.5
0.4
100
3
G
.
Max
+V
+V
+V
+V
±18
425
325
525
600
+125
Max
24
125
300
S
S
S
S
− 0.2
− 0.3
− 0.2
− 0.1
Min
−V
−V
−V
−V
±1.35
−40
Min
86
105
110
110
80
90
90
100
S
S
S
S
+ 0.2
+ 0.3
+ 0.2
+ 0.1
B Grade
B Grade
Typ
13
350
250
450
525
Typ
22
120
2
0.5
0.4
100
3
Max
+V
+V
+V
+V
±18
425
325
525
600
+125
Max
24
125
150
S
S
S
S
− 0.2
− 0.3
− 0.2
− 0.1
AD8426
Unit
mA
μA
μA
μA
μA
°C
Unit
dB
dB
dB
dB
dB
dB
dB
dB
nV/√Hz
nV/√Hz
μV p-p
μV p-p
fA/√Hz
μV
V
V
V
V
V
μV p-p
pA p-p