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ADA4084-2ARMZ-R7 Arkusz danych(PDF) 3 Page - Analog Devices

Numer części ADA4084-2ARMZ-R7
Szczegółowy opis  30 V, Low Noise, Rail-to-Rail I/O, Low Power Operational Amplifier
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Strona internetowa  http://www.analog.com
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ADA4084-2ARMZ-R7 Arkusz danych(HTML) 3 Page - Analog Devices

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Data Sheet
ADA4084-2
Rev. C | Page 3 of 28
SPECIFICATIONS
ELECTRICAL CHARACTERISTICS
VSY = 3 V, VCM =1.5 V, TA = 25°C, unless otherwise noted.
Table 2.
Parameter
Symbol
Test Conditions/Comments
Min
Typ
Max
Unit
INPUT CHARACTERISTICS
Offset Voltage
VOS
SOIC package
100
μV
−40°C ≤ TA ≤ +125°C
200
μV
MSOP package
130
μV
−40°C ≤ TA ≤ +125°C
250
μV
LFCSP package
200
μV
−40°C ≤ TA ≤ +125°C
300
μV
Offset Voltage Drift
ΔVOS/ΔT
−40°C ≤ TA ≤ +125°C
0.5
1.75
µV/°C
Offset Voltage Matching
Channel A vs. Channel B, TA = 25°C
150
μV
Input Bias Current
IB
140
300
nA
–40°C ≤ TA ≤ +125°C
450
nA
Input Offset Current
IOS
25
nA
–40°C ≤ TA ≤ +125°C
50
nA
Input Voltage Range
0
3
V
Common-Mode Rejection Ratio
CMRR
VCM = 0 V to 3 V
64
80
dB
−40°C ≤ TA ≤ +125°C
60
dB
Large Signal Voltage Gain
AVO
RL = 2 kΩ, 0.5 V ≤ VO ≤ 2.5 V
100
104
dB
RL = 2 kΩ, −40°C ≤ TA ≤ +125°C
97
dB
Input Impedance, Differential
100||1.1
kΩ||pF
Input Impedance, Common-Mode
80||2.9
MΩ||pF
OUTPUT CHARACTERISTICS
Output Voltage High
VOH
RL = 10 kΩ to VCM
2.85
2.95
V
–40°C ≤ TA ≤ +125°C
2.8
V
RL = 2 kΩ to VCM
2.8
2.9
V
–40°C ≤ TA ≤ +125°C
2.7
V
Output Voltage Low
VOL
RL = 10 kΩ to VCM
10
20
mV
–40°C ≤ TA ≤ +125°C
40
mV
RL = 2 kΩ to VCM
50
mV
–40°C ≤ TA ≤ +125°C
75
mV
Short-Circuit Current
ISC
−17/+10
mA
POWER SUPPLY
Power Supply Rejection Ratio
PSRR
VSY = ±1.25 V to ±1.75 V
100
110
dB
–40°C ≤ TA ≤ +125°C
90
dB
Supply Current/Amplifier
ISY
IO = 0 mA
565
650
µA
–40°C ≤ TA ≤ +125°C
950
µA
DYNAMIC PERFORMANCE
Slew Rate
SR
RL = 2 kΩ
2.0
2.6
V/µs
Gain Bandwidth Product
GBP
VIN = 5 mV p-p, RL = 10 kΩ, AV = 100
15.4
MHz
Unity-Gain Crossover
UGC
VIN = 5 mV p-p, RL = 10 kΩ, AV = 1
8.08
MHz
Phase Margin
ΦM
86
Degrees
−3 dB Closed-Loop Bandwidth
−3 dB
AV = 1, VIN = 5 mV p-p
12.3
MHz
NOISE PERFORMANCE
Voltage Noise
en p-p
0.1 Hz to 10 Hz
0.14
μV p-p
Voltage Noise Density
en
f = 1 kHz
3.9
nV/√Hz
Current Noise Density
in
f = 1 kHz
0.55
pA/√Hz


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