AD7865AS-1 查看數據表（PDF） - Analog Devices
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AD7865AS-1 Datasheet PDF : 19 Pages
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AD7865–SPECIFICATIONS (VDD = 5 V ؎ 5%, AGND = DGND = 0 V, VREF = Internal. Clock = Internal; all specifi-
cations TMIN to TMAX unless otherwise noted.)
Parameter
A, Y Versions1 B Version
Unit
Test Conditions/Comments
SAMPLE AND HOLD
–3 dB Full Power Bandwidth
3
Aperture Delay
20
Aperture Jitter
50
Aperture Delay Matching
4
3
MHz typ
20
ns max
50
ps typ
4
ns max
DYNAMIC PERFORMANCE2
Signal to (Noise + Distortion) Ratio3
@ 25°C
AD7865-1, AD7865-3
78
AD7865-2
77
TMIN to TMAX
AD7865-1, AD7865-3
77
AD7865-2
76
Total Harmonic Distortion3, 4
–86
Peak Harmonic or Spurious Noise3, 4 –86
Intermodulation Distortion3
2nd Order Terms
–95
3rd Order Terms
–95
Channel-to-Channel Isolation3, 5
–88
DC ACCURACY
Resolution
14
Relative Accuracy (INL)3
±2
Differential Nonlinearity (DNL)3
±1
AD7865-1
Positive Gain Error3
± 10
Positive Gain Error Match3
8
Negative Gain Error3
± 10
Negative Gain Error Match3
8
Bipolar Zero Error
± 12
Bipolar Zero Error Match
6
AD7865-2
Positive Gain Error3
± 16
Positive Gain Error Match3
8
Unipolar Offset Error3
± 10
Unipolar Offset Error Match3
10
AD7865-3
Positive Gain Error3
± 16
Positive Gain Error Match3
8
Negative Gain Error3
± 16
Negative Gain Error Match3
8
Bipolar Zero Error
± 14
Bipolar Zero Error Match
8
fIN = 100 kHz, fS = 350 kSPS
78
dB min
Typically 80 dB
77
dB min
Typically 78 dB
77
dB min
76
dB min
–86
dB max
–86
dB max
fa = 49 kHz, fb = 50 kHz
–95
dB typ
–95
dB typ
–88
dB max
fIN = 50 kHz Sine Wave
Any Channel
14
Bits
± 1.5
LSB max Typically 0.6 LSBs
±1
LSB max No Missing Codes Guaranteed
±8
LSB max Typically ± 2 LSBs
8
LSB max Typically 2 LSBs
±8
LSB max Typically ± 2 LSBs
8
LSB max Typically 2 LSBs
± 10
LSB max Typically ± 2 LSBs
6
LSB max Typically 1.5 LSBs
± 16
LSB max Typically ± 2 LSBs
8
LSB max Typically 2 LSBs
± 10
LSB max Typically ± 2 LSBs
10
LSB max Typically 2 LSBs
± 14
LSB max Typically ± 6 LSBs
8
LSB max Typically 2 LSBs
± 14
LSB max Typically ± 6 LSBs
8
LSB max Typically 2 LSBs
± 12
LSB max Typically ± 5 LSBs
6
LSB max Typically 2 LSBs
ANALOG INPUTS
AD7865-1
Input Voltage Range
Input Current
AD7865-2
Input Voltage Range
Input Current
AD7865-3
Input Voltage Range
Input Current
± 5, ± 10
1, 1
± 5, ± 10
1, 1
Volts
mA max
0 V to 2.5 V,
0 V to 5 V
10
1
± 2.5
1
0 V to 2.5 V,
0 V to 5 V
10
1
± 2.5
1
Volts
µA max
mA max
Volts
mA max
VIN = –5 V and –10 V Respectively,
Typically 0.7 mA
VIN = 2.5 V, 0 V to 2.5 V Range, Typ 1 µA
VIN = 5 V, 0 V to 5 V Range, Typ 0.7 mA
VIN = –2.5 V, Typically 0.7 mA
–2–
REV. B
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