AD7999 查看數據表（PDF） - Analog Devices
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AD7999 Datasheet PDF : 28 Pages
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AD7991/AD7995/AD7999
AD79951
The temperature range for the Y version is −40°C to +125°C. Unless otherwise noted, VDD = 2.7 V to 5.5 V, VREF = 2.5 V, fSCL = 3.4 MHz,
and TA = TMIN to TMAX.
Table 3.
Parameter
Min
DYNAMIC PERFORMANCE3, 4
A Version2
Typ Max
Signal-to-Noise and
Distortion (SINAD)5
Total Harmonic Distortion
(THD)5
Peak Harmonic or Spurious
Noise (SFDR)5
Intermodulation
Distortion (IMD)5
Second-Order Terms
Third-Order Terms
Channel-to-Channel
Isolation5
Full-Power Bandwidth5
DC ACCURACY3, 6
Resolution
10
Integral Nonlinearity5
Differential Nonlinearity5
Offset Error5
Offset Error Matching
Offset Temperature Drift
Gain Error5
Gain Error Matching
Gain Temperature Drift
ANALOG INPUT
Input Voltage Range
0
DC Leakage Current
Input Capacitance
REFERENCE INPUT
VREF Input Voltage Range 1.2
DC Leakage Current
VREF Input Capacitance
Input Impedance
61.5
−85
−85
−90
−86
−90
14
1.5
±0.4
±0.4
±1
±0.04
4.13
±0.15
±0.06
0.50
VREF
±1
34
4
35
5
VDD
±1
5
35
69
Y Version
Min Typ Max
61
−75
−76
−90
−86
−90
14
1.5
10
±0.4
±0.4
±1.5
±0.2
4.13
±0.5
±0.25
0.50
0
VREF
±1
34
4
35
5
1.2
VDD
±1
5
35
69
Unit
Test Conditions/Comments
See the Sample Delay and Bit Trial Delay
section, fIN = 10 kHz sine wave for fSCL from
1.7 MHz to 3.4 MHz
fIN = 1 kHz sine wave for fSCL up to 400 kHz
dB
dB
dB
fa = 11 kHz, fb = 9 kHz for fSCL from 1.7 MHz to
3.4 MHz
fa = 5.4 kHz, fb = 4.6 kHz for fSCL up to 400 kHz
dB
dB
dB
fIN = 10 kHz
MHz
@ 3 dB
MHz
@ 0.1 dB
Bits
LSB
LSB
LSB
LSB
ppm/°C
LSB
LSB
ppm/°C
Guaranteed no missed codes to 10 bits
V
VREF = VIN3/VREF or VDD
μA
pF
Channel 0 to Channel 2—during acquisition
phase
pF
Channel 0 to Channel 2—outside acquisition
phase
pF
Channel 3—during acquisition phase
pF
Channel 3—outside acquisition phase
V
μA
pF
Outside conversion phase
pF
During conversion phase
kΩ
Rev. A | Page 5 of 28
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