參數(shù)資料
型號： AD7865AS-3
廠商： ANALOG DEVICES INC
元件分類： ADC
英文描述： Four-Channel, Simultaneous Sampling, Fast, 14-Bit ADC
中文描述： 4-CH 14-BIT SUCCESSIVE APPROXIMATION ADC, PARALLEL ACCESS, PQFP44
封裝： PLASTIC, QFP-44
文件頁數(shù)： 2/19頁
文件大?。?/td> 195K
代理商： AD7865AS-3
–2–
AD7865–SPECIFICATIONS
REV. A
(V
DD
= +5 V
6
5%, AGND = DGND = 0 V, V
REF
= Internal. Clock = Internal; all specifi-
cations T
MIN
to T
MAX
unless otherwise noted.)
Parameter
A, Y Versions
1
B Version
Units
Test Conditions/Comments
SAMPLE AND HOLD
–3 dB Full Power Bandwidth
Aperture Delay
Aperture Jitter
Aperture Delay Matching
3
20
50
4
3
20
50
4
MHz typ
ns max
ps typ
ns max
DYNAMIC PERFORMANCE
2
Signal to (Noise + Distortion) Ratio
3
@ +25
°
C
AD7865-1, AD7865-3
AD7865-2
T
MIN
to T
MAX
AD7865-1, AD7865-3
AD7865-2
Total Harmonic Distortion
3, 4
Peak Harmonic or Spurious Noise
3, 4
Intermodulation Distortion
3
2nd Order Terms
3rd Order Terms
Channel-to-Channel Isolation
3, 5
f
IN
= 100 kHz, f
S
= 350 kSPS
78
77
78
77
dB min
dB min
Typically 80 dB
Typically 78 dB
77
76
–86
–86
77
76
–86
–86
dB min
dB min
dB max
dB max
fa = 49 kHz, fb = 50 kHz
–95
–95
–88
–95
–95
–88
dB typ
dB typ
dB max
f
IN
= 50 kHz Sine Wave
DC ACCURACY
Resolution
Relative Accuracy (INL)
3
Differential Nonlinearity (DNL)
3
AD7865-1
Positive Gain Error
3
Positive Gain Error Match
3
Negative Gain Error
3
Negative Gain Error Match
3
Bipolar Zero Error
Bipolar Zero Error Match
AD7865-2
Positive Gain Error
3
Positive Gain Error Match
3
Unipolar Offset Error
3
Unipolar Offset Error Match
3
AD7865-3
Positive Gain Error
3
Positive Gain Error Match
3
Negative Gain Error
3
Negative Gain Error Match
3
Bipolar Zero Error
Bipolar Zero Error Match
Any Channel
14
±
2
±
1
14
±
1.5
±
1
Bits
LSB max
LSB max
Typically 0.6 LSBs
No Missing Codes Guaranteed
±
10
8
±
10
8
±
12
6
±
8
8
±
8
8
±
10
6
LSB max
LSB max
LSB max
LSB max
LSB max
LSB max
Typically
±
2 LSBs
Typically 2 LSBs
Typically
±
2 LSBs
Typically 2 LSBs
Typically
±
2 LSBs
Typically 1.5 LSBs
±
16
8
±
10
10
±
16
8
±
10
10
LSB max
LSB max
LSB max
LSB max
Typically
±
2 LSBs
Typically 2 LSBs
Typically
±
2 LSBs
Typically 2 LSBs
±
16
8
±
16
8
±
14
8
±
14
8
±
14
8
±
12
6
LSB max
LSB max
LSB max
LSB max
LSB max
LSB max
Typically
±
6 LSBs
Typically 2 LSBs
Typically
±
6 LSBs
Typically 2 LSBs
Typically
±
5 LSBs
Typically 2 LSBs
ANALOG INPUTS
AD7865-1
Input Voltage Range
Input Current
±
5,
±
10
1, 1
±
5,
±
10
1, 1
Volts
mA max
V
IN
= –5 V and –10 V Respectively,
Typically 0.7 mA
AD7865-2
Input Voltage Range
0 V to +2.5 V,
0 V to +5 V
10
1
0 V to +2.5 V,
0 V to +5 V
10
1
Volts
μ
A max
mA max
Input Current
V
IN
= 2.5 V, 0 V to 2.5 V Range, Typ 1
μ
A
V
IN
= 5 V, 0 V to 5 V Range, Typ 0.7 mA
AD7865-3
Input Voltage Range
Input Current
±
2.5
1
±
2.5
1
Volts
mA max
V
IN
= –2.5 V, Typically 0.7 mA
相關(guān)PDF資料
PDF描述
AD7865BS-1 Four-Channel, Simultaneous Sampling, Fast, 14-Bit ADC
AD7865BS-2 Four-Channel, Simultaneous Sampling, Fast, 14-Bit ADC
AD7865BS-3 Four-Channel, Simultaneous Sampling, Fast, 14-Bit ADC
AD7866ARU Dual 1 MSPS, 12-Bit, 2-Channel SAR ADC with Serial Interface
AD7866BRU Dual 1 MSPS, 12-Bit, 2-Channel SAR ADC with Serial Interface
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