AD8279BRZ-R7 查看數據表（PDF） - Analog Devices
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AD8279BRZ-R7 Datasheet PDF : 24 Pages
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AD8278/AD8279
VS = ±5 V to ±15 V, VREF = 0 V, TA = 25°C, RL = 10 kΩ connected to ground, G = 2 difference amplifier configuration, unless
otherwise noted.
Table 3.
Parameter
INPUT CHARACTERISTICS
System Offset1
Over Temperature
vs. Power Supply
Average Temperature
Coefficient
Common-Mode
Rejection Ratio (RTI)
Input Voltage Range2
Impedance3
Differential
Common Mode
DYNAMIC PERFORMANCE
Bandwidth
Slew Rate
Channel Separation
Settling Time to 0.01%
Settling Time to 0.001%
GAIN
Gain Error
Gain Drift
Gain Nonlinearity
OUTPUT CHARACTERISTICS
Output Voltage Swing4
Short-Circuit Current
Limit
Capacitive Load Drive
NOISE5
Output Voltage Noise
POWER SUPPLY6
AD8278 Supply Current
Over Temperature
AD8279 Supply Current
Over Temperature
Operating Voltage Range7
TEMPERATURE RANGE
Operating Range
Conditions
TA = −40°C to +85°C
VS = ±5 V to ±18 V
TA = −40°C to +85°C
VS = ±15 V, VCM = ±27 V,
RS = 0 Ω
f = 1 kHz
10 V step on output,
CL = 100 pF
TA = −40°C to +85°C
VOUT = 20 V p-p
VS = ±15 V, RL = 10 kΩ,
TA = −40°C to +85°C
f = 0.1 Hz to 10 Hz
f = 1 kHz
TA = −40°C to +85°C
TA = −40°C to +85°C
G=2
Grade B
Grade A
Min
Typ Max
Min
Typ Max
100 200
200
5
100 500
500
10
0.6 2
2
5
86
−1.5 (VS + 0.1)
80
+1.5 (VS − 1.5) −1.5 (VS + 0.1)
+1.5 (VS − 1.5)
30
30
30
30
550
1.1
1.4
130
10
11
550
1.1
1.4
130
10
11
0.005 0.02
1
7
0.01 0.05
5
12
−VS + 0.2
±2
−40
+VS − 0.2
±15
350
2.8
90
95
200
250
300 350
400
±18
+125
−VS + 0.2
±2
−40
+VS − 0.2
±15
350
2.8
90
95
200
250
300 350
400
±18
+125
Unit
μV
μV
μV/V
μV/°C
dB
V
kΩ
kΩ
kHz
V/μs
dB
μs
μs
%
ppm/°C
ppm
V
mA
pF
μV p-p
nV/√Hz
μA
μA
μA
μA
V
°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 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 22 through Figure 25 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 26 and Figure 28 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.
Rev. C | Page 4 of 24
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