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AD8270 Fiches technique(PDF) 3 Page - Aavid, Thermal Division of Boyd Corporation

No de pièce AD8270
Description  G = 0.2, Level Translation, 16-Bit ADC Driver
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Fabricant  AAVID [Aavid, Thermal Division of Boyd Corporation]
Site Internet  https://www.boydcorp.com/aavid.html
Logo AAVID - Aavid, Thermal Division of Boyd Corporation

AD8270 Fiches technique(HTML) 3 Page - Aavid, Thermal Division of Boyd Corporation

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AD8275
Rev. A | Page 3 of 16
SPECIFICATIONS
VS = 5 V, G = 0.2, REF1 connected to GND and REF2 connected to 5 V, RL = 2 kΩ connected to VS/2, TA = 25°C, unless otherwise noted.
Specifications referred to output unless otherwise noted.
Table 2.
A Grade
B Grade
Parameter
Test Conditions/Comments
Min
Typ
Max
Min
Typ
Max
Unit
DYNAMIC PERFORMANCE
Small Signal Bandwidth
−3 dB
10
15
10
15
MHz
Slew Rate
4 V step
20
25
20
25
V/µs
Settling Time to 0.01%
4 V step on output, CL = 100 pF
350
350
450
ns
Settling Time to 0.001%
4 V step on output, CL = 100 pF
450
450
550
ns
Overload Recovery Time
50% overdrive
300
300
ns
NOISE/DISTORTION1
THD + N
f = 1 kHz, VOUT = 4 V p-p, 22 kHz band
pass filter
106
106
dB
Voltage Noise
f = 0.1 Hz to 10 Hz, referred to output
1
4
1
4
µV p-p
Spectral Noise Density
f = 1 kHz, referred to output
40
40
nV/√Hz
GAIN
VREF2 = 4.096 V, REF1 and RL connected
to GND, (VIN+) − (VIN−) = −10 V to +10 V
0.2
0.2
V/V
Gain Error
0.024
0.024
%
Gain Drift
−40°C to +85°C
1
3
0.3
1
ppm/°C
Gain Nonlinearity
VOUT = 4 V p-p, RL = 600 Ω, 2 kΩ, 10 kΩ
2.5
2.5
3
ppm
OFFSET AND CMRR
Offset2
Referred to output, VS = ±2.5 V,
reference and input pins grounded
300
700
150
500
µV
vs. Temperature
−40°C to +85°C
2.5
2.5
7
µV/°C
vs. Power Supply
VS = 3.3 V to 5 V
90
100
dB
Reference Divider Accuracy
0.024
0.024
%
Common-Mode Rejection
Ratio3
VCM = ±10 V, referred to output
80
96
86
dB
INPUT CHARACTERISTICS
Input Voltage Range4
−12.3
+12
−12.3
+12
V
Impedance5
Differential
VCM = VS/2
108||2
108||2
kΩ||pF
Common Mode
27.5||2
27.5||2
kΩ||pF
OUTPUT CHARACTERISTICS
Output Swing
VREF2 = 4.096 V, REF1 and RL connected
to GND, RL = 2 kΩ
−VS +
0.048
+VS
0.1
−VS +
0.048
+VS
0.1
V
Capacitive Load6
100
100
pF
Short-Circuit Current Limit
30
30
mA
POWER SUPPLY
Specified Voltage Range
5
5
V
Operating Voltage Range
3.3
15
3.3
15
V
Supply Current
IO = 0 mA, VS = ±2.5 V, reference and
input pins grounded
1.9
2.3
1.9
2.3
mA
Over Temperature
IO = 0 mA, VS = ±2.5 V, reference and
input pins grounded, −40°C to +85°C
2.1
2.7
2.1
2.7
mA
TEMPERATURE RANGE
Specified Performance
−40
+85
−40
+85
°C
1
Includes amplifier voltage and current noise, as well as noise of internal resistors.
2
Includes input bias and offset current errors.
3
See Figure 7 for CMRR vs. temperature.
4
The input voltage range is a function of the voltage supplies, reference voltage, and ESD diodes. When operating on other supply voltages, see the Absolute Maximum
Ratings section, Figure 11, and Table 5 for more information.
5
Internal resistors are trimmed to be ratio matched but have ±20% absolute accuracy.
6
See Figure 25 to Figure 28 in the Typical Performance Characteristics section for more information.


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