AD8671ARMZ-R2 Analog Devices Inc, AD8671ARMZ-R2 Datasheet - Page 12
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AD8671ARMZ-R2
Manufacturer Part Number
AD8671ARMZ-R2
Description
IC OPAMP GP 10MHZ PREC LN 8MSOP
Manufacturer
Analog Devices Inc
Datasheet
1.AD8671ARMZ-REEL.pdf
(20 pages)
Specifications of AD8671ARMZ-R2
Amplifier Type
General Purpose
Number Of Circuits
1
Slew Rate
4 V/µs
Gain Bandwidth Product
10MHz
Current - Input Bias
3nA
Voltage - Input Offset
20µV
Current - Supply
3mA
Current - Output / Channel
30mA
Voltage - Supply, Single/dual (±)
10 V ~ 36 V, ±5 V ~ 18 V
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
8-MSOP, Micro8™, 8-uMAX, 8-uSOP,
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Output Type
-
-3db Bandwidth
-
Other names
AD8671ARMZ-R2TR
AD8671/AD8672/AD8674
OUTPUT PHASE REVERSAL
Phase reversal is a change of polarity in the amplifier transfer
function that occurs when the input voltage exceeds the supply
voltage. The AD8671/AD8672/AD8674 do not exhibit phase
reversal even when the input voltage is 1 V beyond the supplies.
Figure 33. Output Phase Reversal
TIME (10μs/DIV)
V
IN
V
OUT
V
SY
= ±15V
Rev. E | Page 12 of 20
TOTAL NOISE VS. SOURCE RESISTANCE
The low input voltage noise of the AD8671/AD8672/AD8674
makes them a great choice for applications with low source
resistance. However, because they have low input current noise,
they can also be used in circuits with substantial source
resistance.
Figure 34 shows the voltage noise, current noise, thermal noise,
and total rms noise of the AD8671 as a function of the source
resistance.
For R
For 475 Ω < R
For R
1000
S
S
100
10
< 475 Ω, the input voltage noise, e
> 412 kΩ, the input current noise dominates.
1
10
S
< 412 kΩ, thermal noise dominates.
Figure 34. Noise vs. Source Resistance
100
e
n_t
SOURCE RESISTANCE (Ω)
A
1k
(4kR
S
T)
10k
1/2
B
n
, dominates.
100k
e
n
C
i
n
1M