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AD7862ARS-3 데이터시트(PDF) 2 Page - Analog Devices

부품명 AD7862ARS-3
상세설명  Simultaneous Sampling Dual 250 kSPS 12-Bit ADC
Download  16 Pages
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제조업체  AD [Analog Devices]
홈페이지  http://www.analog.com
Logo AD - Analog Devices

AD7862ARS-3 데이터시트(HTML) 2 Page - Analog Devices

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AD7862–SPECIFICATIONS
AB
S
Parameter
Version
1
Version
Version
Units
Test Conditions/Comments
SAMPLE AND HOLD
–3 dB Small Signal Bandwidth
3
3
3
MHz typ
Aperture Delay
20
20
20
ns typ
Aperture Jitter
100
100
100
ps typ
Aperture Delay Matching
200
200
200
ps typ
DYNAMIC PERFORMANCE
2
fIN = 100.0 kHz, fS = 250 kSPS
Signal to (Noise+Distortion) Ratio
3
@ +25
°C
70
71
70
dB min
TMIN to TMAX
70
70
70
dB min
Total Harmonic Distortion
3
–78
–78
–78
dB max
Peak Harmonic or Spurious Noise
3
–85
–85
–85
dB typ
Intermodulation Distortion
3
fa = 49 kHz, fb = 50 kHz
2nd Order Terms
–85
–85
–85
dB typ
3rd Order Terms
–85
–85
–85
dB typ
Channel to Channel Isolation
3
–80
–80
–80
dB max
fIN = 100 kHz Sine Wave
DC ACCURACY
Any Channel
Resolution
12
12
12
Bits
Minimum Resolution for which
No Missing Codes are Guaranteed
12
12
12
Bits
Relative Accuracy
3
±1
±1
±1
LSB max
Typically 0.4 LSB
Differential Nonlinearity
3
±1
±1
±1
LSB max
Positive Gain Error
3
±4
±3
±4
LSB max
Positive Gain Error Match
3
4
3
4
LSB max
AD7862-10
Negative Gain Error
3
±4
±3
±4
LSB max
Bipolar Zero Error
±4
±3
±4
LSB max
Bipolar Zero Error Match
4
3
4
LSB max
AD7862-3
Negative Gain Error
3
±4
±3
±4
LSB max
Bipolar Zero Error
±4
±3
±4
LSB max
Bipolar Zero Error Match
4
3
4
LSB max
AD7862-2
Unipolar Offset Error
+4
+3
+4
LSB max
Unipolar Offset Error Match
4
3.5
4
LSB max
ANALOG INPUTS
AD7862-10
Input Voltage Range
±10
±10
±10
Volts
Input
Input Resistance
24
24
24
k
Ω min
AD7862-3
Input Voltage Range
±2.5
±2.5
±2.5
Volts
Input
Input Resistance
6
6
6
k
Ω min
AD7862-2
Input Voltage Range
+2.5
+2.5
+2.5
Volts
Input
Input Current
500
500
500
nA max
REFERENCE INPUT/OUTPUT
REF IN Input Voltage Range
2.375/2.625 2.375/2.625
2.375/2.625
V min/V max 2.5 V
± 5%
REF IN Input Capacitance4
10
10
10
pF max
REF OUT Output Voltage
2.5
2.5
2.5
V nom
REF OUT Error @ +25
°C
±10
±10
±10
mV max
REF OUT Error TMIN to TMAX
±25
±25
±25
mV max
REF OUT Temperature Coefficient
25
25
25
ppm/
°C typ
REF OUT Output Impedance
2
2
2
k
Ω nom
LOGIC INPUTS
Input High Voltage, VINH
2.4
2.4
2.4
V min
VDD = 5 V
± 5%
Input Low Voltage, VINL
0.8
0.8
0.8
V max
VDD = 5 V
± 5%
Input Current, IIN
±10
±10
±10
µA max
Input Capacitance, CIN
4
10
10
10
pF max
(VDD = +5 V
5%, AGND = DGND = 0 V, REF = Internal. All Specifications TMIN to TMAX
unless otherwise noted.)


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