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AD8278BRMZ-RL Scheda tecnica(PDF) 3 Page - Analog Devices

Il numero della parte AD8278BRMZ-RL
Spiegazioni elettronici  Low Power, Wide Supply Range, Low Cost Difference Amplifier, G = 쩍, 2
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Produttore elettronici  AD [Analog Devices]
Homepage  http://www.analog.com
Logo AD - Analog Devices

AD8278BRMZ-RL Scheda tecnica(HTML) 3 Page - Analog Devices

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AD8278
Rev. 0 | Page 3 of 24
SPECIFICATIONS
VS = ±5 V to ±15 V, VREF = 0 V, TA = 25°C, RL = 10 kΩ connected to ground, G = ½ difference amplifier configuration, unless
otherwise noted.
Table 2.
Parameter
Conditions
G = ½
Unit
Grade B
Grade A
Min
Typ
Max
Min
Typ
Max
INPUT CHARACTERISTICS
System Offset1
50
100
50
250
μV
vs. Temperature
TA = −40°C to +85°C
100
250
μV
Average Temperature
Coefficient
TA = −40°C to +85°C
0.3
1
2
5
μV/°C
vs. Power Supply
VS = ±5 V to ±18 V
2.5
5
μV/V
Common-Mode Rejection
Ratio (RTI)
VS = ±15 V, VCM = ±27 V,
RS = 0 Ω
80
74
dB
Input Voltage Range2
−3(VS + 0.1)
+3(VS − 1.5)
−3(VS + 0.1)
+3(VS − 1.5)
V
Impedance3
Differential
120
120
Common Mode
30
30
DYNAMIC PERFORMANCE
Bandwidth
1
1
MHz
Slew Rate
1.1
1.4
1.1
1.4
V/μs
Settling Time to 0.01%
10 V step on output,
CL = 100 pF
9
9
μs
Settling Time to 0.001%
10
10
μs
GAIN
Gain Error
0.005
0.02
0.01
0.05
%
Gain Drift
TA = −40°C to +85°C
1
5
ppm/°C
Gain Nonlinearity
VOUT = 20 V p-p
5
10
ppm
OUTPUT CHARACTERISTICS
Output Voltage Swing4
VS = ±15 V, RL = 10 kΩ
TA = −40°C to +85°C
−VS + 0.2
+VS − 0.2
−VS + 0.2
+VS − 0.2
V
Short-Circuit Current Limit
±15
±15
mA
Capacitive Load Drive
200
200
pF
NOISE5
Output Voltage Noise
f = 0.1 Hz to 10 Hz
1.4
1.4
μV p-p
f = 1 kHz
47
50
47
50
nV/√Hz
POWER SUPPLY
Supply Current6
200
200
μA
vs. Temperature
TA = −40°C to +85°C
250
250
μA
Operating Voltage Range7
±2
±18
±2
±18
V
TEMPERATURE RANGE
Operating Range
−40
+125
−40
+125
°C
1 Includes input bias and offset current errors, RTO (referred to output)
2 The input voltage range may also be limited by absolute maximum input voltage or by the output swing. See the Input Voltage Range section in the Theory of
Operation for details.
3 Internal resistors are trimmed to be ratio matched and have ±20% absolute accuracy.
4 Output voltage swing varies with supply voltage and temperature. See Figure 20 through Figure 23 for details.
5 Includes amplifier voltage and current noise, as well as noise from internal resistors.
6 Supply current varies with supply voltage and temperature. See Figure 24 and Figure 26 for details.
7 Unbalanced dual supplies can be used, such as −VS = −0.5 V and +VS = +2 V. The positive supply rail must be at least 2 V above the negative supply and reference
voltage.


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