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AD8244ARMZ-R7 数据表(PDF) 5 Page - Analog Devices

部件名 AD8244ARMZ-R7
功能描述  Single-Supply, Low Power, Precision FET Input Quad Buffer
Download  20 Pages
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制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

AD8244ARMZ-R7 数据表(HTML) 5 Page - Analog Devices

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Data Sheet
AD8244
VS = ±15 V, TA = 25°C, VIN = 0 V, RL = 10 kΩ, unless otherwise noted.
Table 3.
Parameter
Test Conditions/Comments
AD8244A
AD8244B
Unit
Min
Typ
Max
Min
Typ
Max
DC PERFORMANCE
Offset Voltage
100
600
100
350
µV
Over Temperature
TA = −40°C to +85°C
1.25
0.545
mV
Average Temperature Coefficient
TA = −40°C to +85°C
10
3
µV/°C
Offset Voltage Matching
Channel to channel
800
500
µV
Input Bias Current
0.9
10
0.9
3
pA
Over Temperature
TA = 85°C
150
100
pA
Input Bias Current Matching
Channel to channel
0.05
0.05
0.2
pA
Over Temperature
TA = 85°C
2
2
pA
SYSTEM PERFORMANCE
Nominal Gain
1
1
V/V
System Error1
VOUT = −10 V to +10 V
0.03
0.008
%
Average Temperature Coefficient
TA = −40°C to +85°C
2
1
ppm/°C
Gain Matching
Channel to channel
0.05
0.01
%
Nonlinearity
VOUT = −10 V to +10 V
5
5
ppm
NOISE PERFORMANCE
Voltage Noise
Spectral Density
f = 1 kHz
13
13
nV/√Hz
Peak-to-Peak
f = 0.1 Hz to 10 Hz
0.4
0.4
µV p-p
Current Noise
Spectral Density
f = 1 kHz
0.8
0.8
fA/√Hz
Peak-to-Peak
f = 0.1 Hz to 10 Hz
8
8
fA p-p
DYNAMIC PERFORMANCE
Small Signal Bandwidth
−3 dB
3.6
3.6
MHz
Slew Rate
0.8
0.8
V/µs
Settling Time to 0.01%
VOUT = −10 V to +10 V
18
18
µs
INPUT CHARACTERISTICS
Input Voltage Range2
−15
+14
−15
+14
V
Over Temperature
TA = −40°C to +85°C
–15
+13.5
–15
+13.5
V
Input Impedance3
10||4
10||4
TΩ||pF
OUTPUT CHARACTERISTICS
Output Swing
RL = 10 kΩ
−14.87
+14.87
−14.87
+14.87
V
Over Temperature
TA = −40°C to +85°C
–14.84
+14.84
–14.84
+14.84
V
Output Swing
RL = no load
−14.95
+14.95
−14.95
+14.95
V
Over Temperature
TA = −40°C to +85°C
–14.93
+14.93
–14.93
+14.93
V
Short-Circuit Current
20
20
mA
Capacitive Load Drive
200
200
pF
POWER SUPPLY
Operating Range
Single supply
3
36
3
36
V
Dual supply
±1.5
±18
±1.5
±18
V
Power Supply Rejection
VS = ±3 V to ±18 V
90
80
90
dB
Supply Current per Amplifier
IOUT = 0 mA
180
250
180
250
µA
Over Temperature
TA = −40°C to +85°C
300
300
µA
TEMPERATURE RANGE
Specified Performance
TA
−40
+85
−40
+85
°C
1
Error as a percentage of the measurement. This includes the effects of open-loop gain and common-mode rejection ratio.
2
The inputs of the AD8244 can go up to the positive supply; however, the input range is derated because error increases near the positive supply as the input
transistors start to saturate.
3
For more information on the input impedance, see Figure 24 and Figure 37.
Rev. 0 | Page 5 of 20


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