參數(shù)資料
型號(hào): AD7863
廠商: Analog Devices, Inc.
英文描述: Simultaneous Sampling Dual 175 kSPS 14-Bit ADC(同時(shí)采樣175kSPS14位雙A/D轉(zhuǎn)換器)
中文描述: 雙同步采樣175 kSPS的14位ADC(同時(shí)采樣175kSPS14位雙的A / D轉(zhuǎn)換器)
文件頁數(shù): 2/18頁
文件大小: 291K
代理商: AD7863
–2–
REV. 0
AD7863–SPECIFICATIONS
(V
DD
= +5 V
6
5%, AGND = DGND = 0 V, REF = Internal. All specifications T
MIN
to T
MAX
unless otherwise noted.)
A
Version
1
B
Version
1
Parameter
Units
Test Conditions/Comments
SAMPLE AND HOLD
–3 dB Small Signal Bandwidth
Aperture Delay
2
Aperture Jitter
2
Aperture Delay Matching
2
DYNAMIC PERFORMANCE
3
Signal to (Noise + Distortion) Ratio
4
@ +25
°
C
T
MIN
to T
MAX
Total Harmonic Distortion
4
Peak Harmonic or Spurious Noise
4
Intermodulation Distortion
4
2nd Order Terms
3rd Order Terms
Channel-to-Channel Isolation
4
DC ACCURACY
Resolution
Minimum Resolution for Which No
Missing Codes are Guaranteed
Relative Accuracy
4
Differential Nonlinearity
4
AD7863-10, AD7863-3
Positive Gain Error
4
Positive Gain Error Match
4
Negative Gain Error
4
Negative Gain Error Match
4
Bipolar Zero Error
Bipolar Zero Error Match
AD7863-2
Positive Gain Error
4
Positive Gain Error Match
4
Unipolar Offset Error
Unipolar Offset Error Match
ANALOG INPUTS
AD7863-10
Input Voltage Range
Input Resistance
AD7863-3
Input Voltage Range
Input Resistance
AD7863-2
Input Voltage Range
Input Current
REFERENCE INPUT/OUTPUT
REF IN Input Voltage Range
REF IN Input Current
REF OUT Output Voltage
REF OUT Error @ +25
°
C
REF OUT Error T
MIN
to T
MAX
REF OUT Temperature Coefficient
LOGIC INPUTS
Input High Voltage, V
INH
Input Low Voltage, V
INL
Input Current, I
IN
Input Capacitance, C
IN5
7
35
50
350
7
35
50
350
MHz typ
ns max
ps typ
ps max
f
IN
= 80.0 kHz, f
S
= 175 kSPS
78
77
–82
–82
78
77
–82
–82
dB min
dB min
dB max
dB max
Typically –87 dB
Typically –90 dB
fa = 49 kHz, fb = 50 kHz
–93
–89
–86
–93
–89
–86
dB typ
dB typ
dB typ
f
IN
= 50 kHz Sine Wave
Any Channel
14
14
Bits
14
±
2.5
+2 to –1
14
±
2
+2 to –1
Bits
LSB max
LSB max
±
10
10
±
10
10
±
10
8
±
8
10
±
8
10
±
8
6
LSB max
LSB max
LSB max
LSB max
LSB max
LSB max
±
14
16
±
14
8
LSB max
LSB max
LSB max
LSB max
±
10
9
±
10
9
Volts
k
typ
±
2.5
3
±
2.5
3
Volts
k
typ
+2.5
100
+2.5
100
Volts
nA max
2.375/2.625
±
100
2.5
±
10
±
20
25
2.375/2.625
±
100
2.5
±
10
±
20
25
2.5 V
±
5%
μ
A max
Vnom
mV max
mV max
ppm/
°
C typ
2.4
0.8
±
10
10
2.4
0.8
±
10
10
V min
V max
μ
A max
pF max
V
DD
= 5 V
±
5%
V
DD
= 5 V
±
5%
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